Пример #1
0
def test_uncoupled_rhf() -> None:
    mol = molecules.molecule_trithiolane_sto3g()
    mol.build()

    mf = pyscf.scf.RHF(mol)
    mf.scf()

    C = utils.fix_mocoeffs_shape(mf.mo_coeff)
    E = utils.fix_moenergies_shape(mf.mo_energy)
    occupations = occupations_from_pyscf_mol(mol, C)

    solver = solvers.ExactInv(C, E, occupations)

    ao2mo = AO2MOpyscf(C, mol.verbose, mol)
    ao2mo.perform_rhf_partial()
    solver.tei_mo = ao2mo.tei_mo
    solver.tei_mo_type = AO2MOTransformationType.partial

    driver = cphf.CPHF(solver)

    operator_diplen = operators.Operator(label="dipole",
                                         is_imaginary=False,
                                         is_spin_dependent=False,
                                         triplet=False)
    integrals_diplen_ao = mol.intor("cint1e_r_sph", comp=3)
    operator_diplen.ao_integrals = integrals_diplen_ao
    driver.add_operator(operator_diplen)

    frequencies = [0.0, 0.0773178, 0.128347]
    driver.set_frequencies(frequencies)

    driver.run(
        hamiltonian=Hamiltonian.RPA,
        spin=Spin.singlet,
        program=Program.PySCF,
        program_obj=mol,
    )

    for idxf, frequency in enumerate(frequencies):
        print(idxf, frequency)
        print("uncoupled")
        diag_res = np.diag(driver.uncoupled_results[idxf])
        diag_ref = np.diag(rhf_uncoupled[frequency]["result"])
        diff = diag_res - diag_ref
        print(diag_res)
        print(diag_ref)
        print(diff)
        assert np.max(
            np.abs(diff)) < rhf_uncoupled[frequency]["error_max_diag"]
        print("coupled")
        diag_res = np.diag(driver.results[idxf])
        diag_ref = np.diag(rhf_coupled[frequency]["result"])
        diff = diag_res - diag_ref
        print(diag_res)
        print(diag_ref)
        print(diff)
        assert np.max(np.abs(diff)) < rhf_coupled[frequency]["error_max_diag"]
Пример #2
0
def test_uncoupled_uhf():
    mol = molecules.molecule_trithiolane_sto3g()
    mol.charge = 1
    mol.spin = 1
    mol.build()

    mf = pyscf.scf.uhf.UHF(mol)
    mf.scf()

    C = utils.fix_mocoeffs_shape(mf.mo_coeff)
    E = utils.fix_moenergies_shape(mf.mo_energy)
    occupations = utils.occupations_from_pyscf_mol(mol, C)

    solver = iterators.ExactInv(C, E, occupations)

    ao2mo = AO2MOpyscf(C, mol.verbose, mol)
    ao2mo.perform_uhf_partial()
    solver.tei_mo = ao2mo.tei_mo
    solver.tei_mo_type = "partial"

    driver = cphf.CPHF(solver)

    operator_diplen = operators.Operator(
        label="dipole", is_imaginary=False, is_spin_dependent=False, triplet=False
    )
    integrals_diplen_ao = mol.intor("cint1e_r_sph", comp=3)
    operator_diplen.ao_integrals = integrals_diplen_ao
    driver.add_operator(operator_diplen)

    frequencies = [0.0, 0.0773178, 0.128347, 0.4556355]
    driver.set_frequencies(frequencies)

    driver.run(solver_type="exact", hamiltonian="rpa", spin="singlet")

    for idxf, frequency in enumerate(frequencies):
        print(idxf, frequency)
        print("uncoupled")
        diag_res = np.diag(driver.uncoupled_results[idxf])
        diag_ref = np.diag(uhf_uncoupled[frequency]["result"])
        diff = diag_res - diag_ref
        print(diag_res)
        print(diag_ref)
        print(diff)
        assert np.max(np.abs(diff)) < uhf_uncoupled[frequency]["error_max_diag"]
        print("coupled")
        diag_res = np.diag(driver.results[idxf])
        diag_ref = np.diag(uhf_coupled[frequency]["result"])
        diff = diag_res - diag_ref
        print(diag_res)
        print(diag_ref)
        print(diff)
        assert np.max(np.abs(diff)) < uhf_coupled[frequency]["error_max_diag"]

    return
Пример #3
0
def test_explicit_uhf():

    mol = molecules.molecule_water_sto3g()
    mol.charge = 1
    mol.spin = 1
    mol.build()

    mf = pyscf.scf.UHF(mol)
    mf.kernel()
    C = np.stack(mf.mo_coeff, axis=0)
    E_a = np.diag(mf.mo_energy[0])
    E_b = np.diag(mf.mo_energy[1])
    assert E_a.shape == E_b.shape
    E = np.stack((E_a, E_b), axis=0)

    integrals_dipole_ao = mol.intor("cint1e_r_sph", comp=3)

    occupations = utils.occupations_from_pyscf_mol(mol, C)

    solver = iterators.ExactInv(C, E, occupations)

    ao2mo = AO2MOpyscf(C, mol.verbose, mol)
    ao2mo.perform_uhf_full()
    solver.tei_mo = ao2mo.tei_mo
    solver.tei_mo_type = "full"

    driver = cphf.CPHF(solver)

    operator_dipole = operators.Operator(label="dipole",
                                         is_imaginary=False,
                                         is_spin_dependent=False)
    operator_dipole.ao_integrals = integrals_dipole_ao
    driver.add_operator(operator_dipole)

    driver.set_frequencies()

    driver.run(solver_type="exact", hamiltonian="rpa", spin="singlet")
    assert len(driver.frequencies) == len(driver.results) == 1
    res = driver.results[0]
    print(res)

    atol = 1.0e-5
    rtol = 0.0

    np.testing.assert_allclose(res,
                               ref_water_cation_UHF_HF_STO3G,
                               rtol=rtol,
                               atol=atol)
Пример #4
0
def test_explicit_uhf() -> None:

    mol = molecules.molecule_water_sto3g()
    mol.charge = 1
    mol.spin = 1
    mol.build()

    mf = pyscf.scf.UHF(mol)
    mf.kernel()
    C = np.stack(mf.mo_coeff, axis=0)
    C_a = C[0, ...]
    C_b = C[1, ...]
    E_a = np.diag(mf.mo_energy[0])
    E_b = np.diag(mf.mo_energy[1])
    assert C_a.shape == C_b.shape
    assert E_a.shape == E_b.shape
    E = np.stack((E_a, E_b), axis=0)
    norb = C_a.shape[1]
    nocc_a, nocc_b = mol.nelec
    nvirt_a, nvirt_b = norb - nocc_a, norb - nocc_b
    occupations = [nocc_a, nvirt_a, nocc_b, nvirt_b]

    C_occ_alph = C_a[:, :nocc_a]
    C_virt_alph = C_a[:, nocc_a:]
    C_occ_beta = C_b[:, :nocc_b]
    C_virt_beta = C_b[:, nocc_b:]
    C_ovov_aaaa = (C_occ_alph, C_virt_alph, C_occ_alph, C_virt_alph)
    C_ovov_aabb = (C_occ_alph, C_virt_alph, C_occ_beta, C_virt_beta)
    C_ovov_bbaa = (C_occ_beta, C_virt_beta, C_occ_alph, C_virt_alph)
    C_ovov_bbbb = (C_occ_beta, C_virt_beta, C_occ_beta, C_virt_beta)
    C_oovv_aaaa = (C_occ_alph, C_occ_alph, C_virt_alph, C_virt_alph)
    C_oovv_bbbb = (C_occ_beta, C_occ_beta, C_virt_beta, C_virt_beta)
    tei_mo_ovov_aaaa = pyscf.ao2mo.general(mol,
                                           C_ovov_aaaa,
                                           aosym="s4",
                                           compact=False,
                                           verbose=5).reshape(
                                               nocc_a, nvirt_a, nocc_a,
                                               nvirt_a)
    tei_mo_ovov_aabb = pyscf.ao2mo.general(mol,
                                           C_ovov_aabb,
                                           aosym="s4",
                                           compact=False,
                                           verbose=5).reshape(
                                               nocc_a, nvirt_a, nocc_b,
                                               nvirt_b)
    tei_mo_ovov_bbaa = pyscf.ao2mo.general(mol,
                                           C_ovov_bbaa,
                                           aosym="s4",
                                           compact=False,
                                           verbose=5).reshape(
                                               nocc_b, nvirt_b, nocc_a,
                                               nvirt_a)
    tei_mo_ovov_bbbb = pyscf.ao2mo.general(mol,
                                           C_ovov_bbbb,
                                           aosym="s4",
                                           compact=False,
                                           verbose=5).reshape(
                                               nocc_b, nvirt_b, nocc_b,
                                               nvirt_b)
    tei_mo_oovv_aaaa = pyscf.ao2mo.general(mol,
                                           C_oovv_aaaa,
                                           aosym="s4",
                                           compact=False,
                                           verbose=5).reshape(
                                               nocc_a, nocc_a, nvirt_a,
                                               nvirt_a)
    tei_mo_oovv_bbbb = pyscf.ao2mo.general(mol,
                                           C_oovv_bbbb,
                                           aosym="s4",
                                           compact=False,
                                           verbose=5).reshape(
                                               nocc_b, nocc_b, nvirt_b,
                                               nvirt_b)

    integrals_dipole_ao = mol.intor("cint1e_r_sph", comp=3)

    solver = solvers.ExactInv(C, E, occupations)

    solver.tei_mo = (
        tei_mo_ovov_aaaa,
        tei_mo_ovov_aabb,
        tei_mo_ovov_bbaa,
        tei_mo_ovov_bbbb,
        tei_mo_oovv_aaaa,
        tei_mo_oovv_bbbb,
    )
    solver.tei_mo_type = AO2MOTransformationType.partial

    driver = cphf.CPHF(solver)

    operator_dipole = operators.Operator(label="dipole",
                                         is_imaginary=False,
                                         is_spin_dependent=False)
    operator_dipole.ao_integrals = integrals_dipole_ao
    driver.add_operator(operator_dipole)

    driver.set_frequencies()

    driver.run(
        hamiltonian=Hamiltonian.RPA,
        spin=Spin.singlet,
        program=Program.PySCF,
        program_obj=mol,
    )
    assert len(driver.frequencies) == len(driver.results) == 1
    res = driver.results[0]
    print(res)

    atol = 1.0e-5
    rtol = 0.0

    np.testing.assert_allclose(res,
                               ref_water_cation_UHF_HF_STO3G,
                               rtol=rtol,
                               atol=atol)
Пример #5
0
def test_final_result_rhf_h2o_sto3g_tda_triplet() -> None:
    """Test correctness of the final result for water/STO-3G with the TDA
    approximation/CIS for triplet response induced by the dipole length
    operator computed with quantities from disk.
    """
    hamiltonian = Hamiltonian.TDA
    spin = Spin.triplet

    C = utils.fix_mocoeffs_shape(utils.np_load(REFDIR / "C.npz"))
    E = utils.fix_moenergies_shape(utils.np_load(REFDIR / "F_MO.npz"))
    TEI_MO = utils.np_load(REFDIR / "TEI_MO.npz")
    # nocc_alph, nvirt_alph, nocc_beta, nvirt_beta
    occupations = np.asarray([5, 2, 5, 2], dtype=int)
    stub = "h2o_sto3g_"
    dim = occupations[0] + occupations[1]
    mat_dipole_x = utils.parse_int_file_2(REFDIR / f"{stub}mux.dat", dim)
    mat_dipole_y = utils.parse_int_file_2(REFDIR / f"{stub}muy.dat", dim)
    mat_dipole_z = utils.parse_int_file_2(REFDIR / f"{stub}muz.dat", dim)

    solver = solvers.ExactInv(C, E, occupations)
    solver.tei_mo = (TEI_MO, )
    solver.tei_mo_type = AO2MOTransformationType.full
    driver = cphf.CPHF(solver)
    ao_integrals_dipole = np.stack((mat_dipole_x, mat_dipole_y, mat_dipole_z),
                                   axis=0)
    operator_dipole = operators.Operator(label="dipole",
                                         is_imaginary=False,
                                         is_spin_dependent=False)
    operator_dipole.ao_integrals = ao_integrals_dipole
    driver.add_operator(operator_dipole)
    frequencies = (0.0, 0.02, 0.06, 0.1)
    driver.set_frequencies(frequencies)

    driver.run(hamiltonian=hamiltonian,
               spin=spin,
               program=None,
               program_obj=None)

    assert len(driver.results) == len(frequencies)

    result__0_00 = np.array([[14.64430714, 0.0, 0.0], [0.0, 8.80921432, 0.0],
                             [0.0, 0.0, 0.06859496]])
    result__0_02 = np.array([[14.68168443, 0.0, 0.0], [0.0, 8.83562647, 0.0],
                             [0.0, 0.0, 0.0689291]])
    result__0_06 = np.array([[14.98774296, 0.0, 0.0], [0.0, 9.0532224, 0.0],
                             [0.0, 0.0, 0.07172414]])
    result__0_10 = np.array([[15.63997724, 0.0, 0.0], [0.0, 9.52504267, 0.0],
                             [0.0, 0.0, 0.07805428]])

    atol = 1.0e-8
    rtol = 0.0
    np.testing.assert_allclose(driver.results[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)

    mol = molecules.molecule_water_sto3g()
    mol.build()
    polarizability = electric.Polarizability(
        Program.PySCF,
        mol,
        cphf.CPHF(solvers.ExactInv(C, E, occupations)),
        C,
        E,
        occupations,
        frequencies=frequencies,
    )
    polarizability.form_operators()
    polarizability.run(hamiltonian=hamiltonian, spin=spin)
    polarizability.form_results()

    np.testing.assert_allclose(polarizability.polarizabilities[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)
Пример #6
0
def test_final_result_rhf_h2o_sto3g_rpa_singlet() -> None:
    """Test correctness of the final result for water/STO-3G with full RPA for
    singlet response induced by the dipole length operator (the electric
    polarizability) computed with quantities from disk.
    """
    hamiltonian = Hamiltonian.RPA
    spin = Spin.singlet

    C = utils.fix_mocoeffs_shape(utils.np_load(REFDIR / "C.npz"))
    E = utils.fix_moenergies_shape(utils.np_load(REFDIR / "F_MO.npz"))
    TEI_MO = utils.np_load(REFDIR / "TEI_MO.npz")
    # nocc_alph, nvirt_alph, nocc_beta, nvirt_beta
    occupations = np.asarray([5, 2, 5, 2], dtype=int)
    stub = "h2o_sto3g_"
    dim = occupations[0] + occupations[1]
    mat_dipole_x = utils.parse_int_file_2(REFDIR / f"{stub}mux.dat", dim)
    mat_dipole_y = utils.parse_int_file_2(REFDIR / f"{stub}muy.dat", dim)
    mat_dipole_z = utils.parse_int_file_2(REFDIR / f"{stub}muz.dat", dim)

    solver = solvers.ExactInv(C, E, occupations)
    solver.tei_mo = (TEI_MO, )
    solver.tei_mo_type = AO2MOTransformationType.full
    driver = cphf.CPHF(solver)
    ao_integrals_dipole = np.stack((mat_dipole_x, mat_dipole_y, mat_dipole_z),
                                   axis=0)
    operator_dipole = operators.Operator(label="dipole",
                                         is_imaginary=False,
                                         is_spin_dependent=False)
    operator_dipole.ao_integrals = ao_integrals_dipole
    driver.add_operator(operator_dipole)
    frequencies = (0.0, 0.02, 0.06, 0.1)
    driver.set_frequencies(frequencies)

    driver.run(hamiltonian=hamiltonian,
               spin=spin,
               program=None,
               program_obj=None)

    assert len(driver.results) == len(frequencies)

    result__0_00 = np.array([[7.93556221, 0.0, 0.0], [0.0, 3.06821077, 0.0],
                             [0.0, 0.0, 0.05038621]])
    result__0_02 = np.array([[7.94312371, 0.0, 0.0], [0.0, 3.07051688, 0.0],
                             [0.0, 0.0, 0.05054685]])
    result__0_06 = np.array([[8.00414009, 0.0, 0.0], [0.0, 3.08913608, 0.0],
                             [0.0, 0.0, 0.05186977]])
    result__0_10 = np.array([[8.1290378, 0.0, 0.0], [0.0, 3.12731363, 0.0],
                             [0.0, 0.0, 0.05473482]])

    atol = 1.0e-8
    rtol = 0.0
    np.testing.assert_allclose(driver.results[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)

    # Reminder: there's no call to do SCF here because we already have
    # the MO coefficients.
    mol = molecules.molecule_water_sto3g()
    mol.build()
    polarizability = electric.Polarizability(
        Program.PySCF,
        mol,
        cphf.CPHF(solvers.ExactInv(C, E, occupations)),
        C,
        E,
        occupations,
        frequencies=frequencies,
    )
    polarizability.form_operators()
    polarizability.run(hamiltonian=hamiltonian, spin=spin)
    polarizability.form_results()

    np.testing.assert_allclose(polarizability.polarizabilities[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)
Пример #7
0
def test_final_result_rhf_h2o_sto3g_rpa_triplet() -> None:
    """Test correctness of the final result for water/STO-3G with full RPA for
    triplet response induced by the dipole length operator computed with
    quantities from disk.
    """
    hamiltonian = Hamiltonian.RPA
    spin = Spin.triplet

    C = utils.fix_mocoeffs_shape(utils.np_load(REFDIR / "C.npz"))
    E = utils.fix_moenergies_shape(utils.np_load(REFDIR / "F_MO.npz"))
    TEI_MO = utils.np_load(REFDIR / "TEI_MO.npz")
    # nocc_alph, nvirt_alph, nocc_beta, nvirt_beta
    occupations = np.asarray([5, 2, 5, 2], dtype=int)
    stub = "h2o_sto3g_"
    dim = occupations[0] + occupations[1]
    mat_dipole_x = utils.parse_int_file_2(REFDIR / f"{stub}mux.dat", dim)
    mat_dipole_y = utils.parse_int_file_2(REFDIR / f"{stub}muy.dat", dim)
    mat_dipole_z = utils.parse_int_file_2(REFDIR / f"{stub}muz.dat", dim)

    solver = solvers.ExactInv(C, E, occupations)
    solver.tei_mo = (TEI_MO, )
    solver.tei_mo_type = AO2MOTransformationType.full
    driver = cphf.CPHF(solver)
    ao_integrals_dipole = np.stack((mat_dipole_x, mat_dipole_y, mat_dipole_z),
                                   axis=0)
    operator_dipole = operators.Operator(label="dipole",
                                         is_imaginary=False,
                                         is_spin_dependent=False)
    operator_dipole.ao_integrals = ao_integrals_dipole
    driver.add_operator(operator_dipole)
    frequencies = (0.0, 0.02, 0.06, 0.1)
    driver.set_frequencies(frequencies)

    driver.run(hamiltonian=hamiltonian,
               spin=spin,
               program=None,
               program_obj=None)

    assert len(driver.results) == len(frequencies)

    result__0_00 = np.array([[26.59744305, 0.0, 0.0], [0.0, 18.11879557, 0.0],
                             [0.0, 0.0, 0.07798969]])
    result__0_02 = np.array([[26.68282287, 0.0, 0.0], [0.0, 18.19390051, 0.0],
                             [0.0, 0.0, 0.07837521]])
    result__0_06 = np.array([[27.38617401, 0.0, 0.0], [0.0, 18.81922578, 0.0],
                             [0.0, 0.0, 0.08160226]])
    result__0_10 = np.array([[28.91067234, 0.0, 0.0], [0.0, 20.21670386, 0.0],
                             [0.0, 0.0, 0.08892512]])

    atol = 1.0e-8
    rtol = 0.0
    np.testing.assert_allclose(driver.results[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)

    mol = molecules.molecule_water_sto3g()
    mol.build()
    polarizability = electric.Polarizability(
        Program.PySCF,
        mol,
        cphf.CPHF(solvers.ExactInv(C, E, occupations)),
        C,
        E,
        occupations,
        frequencies=frequencies,
    )
    polarizability.form_operators()
    polarizability.run(hamiltonian=hamiltonian, spin=spin)
    polarizability.form_results()

    np.testing.assert_allclose(polarizability.polarizabilities[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)
Пример #8
0
def test_final_result_rhf_h2o_sto3g_tda_triplet():
    hamiltonian = "tda"
    spin = "triplet"

    C = utils.fix_mocoeffs_shape(utils.np_load(REFDIR / "C.npz"))
    E = utils.fix_moenergies_shape(utils.np_load(REFDIR / "F_MO.npz"))
    TEI_MO = utils.np_load(REFDIR / "TEI_MO.npz")
    # nocc_alph, nvirt_alph, nocc_beta, nvirt_beta
    occupations = [5, 2, 5, 2]
    stub = "h2o_sto3g_"
    dim = occupations[0] + occupations[1]
    mat_dipole_x = utils.parse_int_file_2(REFDIR / f"{stub}mux.dat", dim)
    mat_dipole_y = utils.parse_int_file_2(REFDIR / f"{stub}muy.dat", dim)
    mat_dipole_z = utils.parse_int_file_2(REFDIR / f"{stub}muz.dat", dim)

    solver = iterators.ExactInv(C, E, occupations)
    solver.tei_mo = (TEI_MO, )
    solver.tei_mo_type = "full"
    driver = cphf.CPHF(solver)
    ao_integrals_dipole = np.stack((mat_dipole_x, mat_dipole_y, mat_dipole_z),
                                   axis=0)
    operator_dipole = operators.Operator(label="dipole",
                                         is_imaginary=False,
                                         is_spin_dependent=False)
    operator_dipole.ao_integrals = ao_integrals_dipole
    driver.add_operator(operator_dipole)
    frequencies = (0.0, 0.02, 0.06, 0.1)
    driver.set_frequencies(frequencies)

    driver.run(solver_type="exact", hamiltonian=hamiltonian, spin=spin)

    assert len(driver.results) == len(frequencies)

    result__0_00 = np.array([[14.64430714, 0.0, 0.0], [0.0, 8.80921432, 0.0],
                             [0.0, 0.0, 0.06859496]])
    result__0_02 = np.array([[14.68168443, 0.0, 0.0], [0.0, 8.83562647, 0.0],
                             [0.0, 0.0, 0.0689291]])
    result__0_06 = np.array([[14.98774296, 0.0, 0.0], [0.0, 9.0532224, 0.0],
                             [0.0, 0.0, 0.07172414]])
    result__0_10 = np.array([[15.63997724, 0.0, 0.0], [0.0, 9.52504267, 0.0],
                             [0.0, 0.0, 0.07805428]])

    atol = 1.0e-8
    rtol = 0.0
    np.testing.assert_allclose(driver.results[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)

    mol = molecules.molecule_water_sto3g()
    mol.build()
    polarizability = electric.Polarizability(Program.PySCF, mol, C, E,
                                             occupations, frequencies)
    polarizability.form_operators()
    polarizability.run(hamiltonian=hamiltonian, spin=spin)
    polarizability.form_results()

    np.testing.assert_allclose(polarizability.polarizabilities[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)

    return
Пример #9
0
def test_final_result_rhf_h2o_sto3g_tda_singlet():
    hamiltonian = "tda"
    spin = "singlet"

    C = utils.fix_mocoeffs_shape(utils.np_load(REFDIR / "C.npz"))
    E = utils.fix_moenergies_shape(utils.np_load(REFDIR / "F_MO.npz"))
    TEI_MO = utils.np_load(REFDIR / "TEI_MO.npz")
    # nocc_alph, nvirt_alph, nocc_beta, nvirt_beta
    occupations = [5, 2, 5, 2]
    stub = "h2o_sto3g_"
    dim = occupations[0] + occupations[1]
    mat_dipole_x = utils.parse_int_file_2(REFDIR / f"{stub}mux.dat", dim)
    mat_dipole_y = utils.parse_int_file_2(REFDIR / f"{stub}muy.dat", dim)
    mat_dipole_z = utils.parse_int_file_2(REFDIR / f"{stub}muz.dat", dim)

    solver = iterators.ExactInv(C, E, occupations)
    solver.tei_mo = (TEI_MO, )
    solver.tei_mo_type = "full"
    driver = cphf.CPHF(solver)
    ao_integrals_dipole = np.stack((mat_dipole_x, mat_dipole_y, mat_dipole_z),
                                   axis=0)
    operator_dipole = operators.Operator(label="dipole",
                                         is_imaginary=False,
                                         is_spin_dependent=False)
    operator_dipole.ao_integrals = ao_integrals_dipole
    driver.add_operator(operator_dipole)
    frequencies = (0.0, 0.02, 0.06, 0.1)
    driver.set_frequencies(frequencies)

    driver.run(solver_type="exact", hamiltonian=hamiltonian, spin=spin)

    assert len(driver.results) == len(frequencies)

    result__0_00 = np.array([[8.89855952, 0.0, 0.0], [0.0, 4.00026556, 0.0],
                             [0.0, 0.0, 0.0552774]])
    result__0_02 = np.array([[8.90690928, 0.0, 0.0], [0.0, 4.00298342, 0.0],
                             [0.0, 0.0, 0.05545196]])
    result__0_06 = np.array([[8.97427725, 0.0, 0.0], [0.0, 4.02491517, 0.0],
                             [0.0, 0.0, 0.05688918]])
    result__0_10 = np.array([[9.11212633, 0.0, 0.0], [0.0, 4.06981937, 0.0],
                             [0.0, 0.0, 0.05999934]])

    atol = 1.0e-8
    rtol = 0.0
    np.testing.assert_allclose(driver.results[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)

    mol = molecules.molecule_water_sto3g()
    mol.build()
    polarizability = electric.Polarizability(Program.PySCF, mol, C, E,
                                             occupations, frequencies)
    polarizability.form_operators()
    polarizability.run(hamiltonian=hamiltonian, spin=spin)
    polarizability.form_results()

    np.testing.assert_allclose(polarizability.polarizabilities[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)

    return
Пример #10
0
def test_final_result_rhf_h2o_sto3g_rpa_singlet():
    hamiltonian = "rpa"
    spin = "singlet"

    C = utils.fix_mocoeffs_shape(utils.np_load(REFDIR / "C.npz"))
    E = utils.fix_moenergies_shape(utils.np_load(REFDIR / "F_MO.npz"))
    TEI_MO = utils.np_load(REFDIR / "TEI_MO.npz")
    # nocc_alph, nvirt_alph, nocc_beta, nvirt_beta
    occupations = [5, 2, 5, 2]
    stub = "h2o_sto3g_"
    dim = occupations[0] + occupations[1]
    mat_dipole_x = utils.parse_int_file_2(REFDIR / f"{stub}mux.dat", dim)
    mat_dipole_y = utils.parse_int_file_2(REFDIR / f"{stub}muy.dat", dim)
    mat_dipole_z = utils.parse_int_file_2(REFDIR / f"{stub}muz.dat", dim)

    solver = iterators.ExactInv(C, E, occupations)
    solver.tei_mo = (TEI_MO, )
    solver.tei_mo_type = "full"
    driver = cphf.CPHF(solver)
    ao_integrals_dipole = np.stack((mat_dipole_x, mat_dipole_y, mat_dipole_z),
                                   axis=0)
    operator_dipole = operators.Operator(label="dipole",
                                         is_imaginary=False,
                                         is_spin_dependent=False)
    operator_dipole.ao_integrals = ao_integrals_dipole
    driver.add_operator(operator_dipole)
    frequencies = (0.0, 0.02, 0.06, 0.1)
    driver.set_frequencies(frequencies)

    driver.run(solver_type="exact", hamiltonian=hamiltonian, spin=spin)

    assert len(driver.results) == len(frequencies)

    result__0_00 = np.array([[7.93556221, 0.0, 0.0], [0.0, 3.06821077, 0.0],
                             [0.0, 0.0, 0.05038621]])
    result__0_02 = np.array([[7.94312371, 0.0, 0.0], [0.0, 3.07051688, 0.0],
                             [0.0, 0.0, 0.05054685]])
    result__0_06 = np.array([[8.00414009, 0.0, 0.0], [0.0, 3.08913608, 0.0],
                             [0.0, 0.0, 0.05186977]])
    result__0_10 = np.array([[8.1290378, 0.0, 0.0], [0.0, 3.12731363, 0.0],
                             [0.0, 0.0, 0.05473482]])

    atol = 1.0e-8
    rtol = 0.0
    np.testing.assert_allclose(driver.results[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)

    # Reminder: there's no call to do SCF here because we already have
    # the MO coefficients.
    mol = molecules.molecule_water_sto3g()
    mol.build()
    polarizability = electric.Polarizability(Program.PySCF, mol, C, E,
                                             occupations, frequencies)
    polarizability.form_operators()
    polarizability.run(hamiltonian=hamiltonian, spin=spin)
    polarizability.form_results()

    np.testing.assert_allclose(polarizability.polarizabilities[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)

    return
Пример #11
0
def test_final_result_rhf_h2o_sto3g_rpa_triplet():
    hamiltonian = "rpa"
    spin = "triplet"

    C = utils.fix_mocoeffs_shape(utils.np_load(REFDIR / "C.npz"))
    E = utils.fix_moenergies_shape(utils.np_load(REFDIR / "F_MO.npz"))
    TEI_MO = utils.np_load(REFDIR / "TEI_MO.npz")
    # nocc_alph, nvirt_alph, nocc_beta, nvirt_beta
    occupations = [5, 2, 5, 2]
    stub = "h2o_sto3g_"
    dim = occupations[0] + occupations[1]
    mat_dipole_x = utils.parse_int_file_2(REFDIR / f"{stub}mux.dat", dim)
    mat_dipole_y = utils.parse_int_file_2(REFDIR / f"{stub}muy.dat", dim)
    mat_dipole_z = utils.parse_int_file_2(REFDIR / f"{stub}muz.dat", dim)

    solver = iterators.ExactInv(C, E, occupations)
    solver.tei_mo = (TEI_MO, )
    solver.tei_mo_type = "full"
    driver = cphf.CPHF(solver)
    ao_integrals_dipole = np.stack((mat_dipole_x, mat_dipole_y, mat_dipole_z),
                                   axis=0)
    operator_dipole = operators.Operator(label="dipole",
                                         is_imaginary=False,
                                         is_spin_dependent=False)
    operator_dipole.ao_integrals = ao_integrals_dipole
    driver.add_operator(operator_dipole)
    frequencies = (0.0, 0.02, 0.06, 0.1)
    driver.set_frequencies(frequencies)

    driver.run(solver_type="exact", hamiltonian=hamiltonian, spin=spin)

    assert len(driver.results) == len(frequencies)

    result__0_00 = np.array([[26.59744305, 0.0, 0.0], [0.0, 18.11879557, 0.0],
                             [0.0, 0.0, 0.07798969]])
    result__0_02 = np.array([[26.68282287, 0.0, 0.0], [0.0, 18.19390051, 0.0],
                             [0.0, 0.0, 0.07837521]])
    result__0_06 = np.array([[27.38617401, 0.0, 0.0], [0.0, 18.81922578, 0.0],
                             [0.0, 0.0, 0.08160226]])
    result__0_10 = np.array([[28.91067234, 0.0, 0.0], [0.0, 20.21670386, 0.0],
                             [0.0, 0.0, 0.08892512]])

    atol = 1.0e-8
    rtol = 0.0
    np.testing.assert_allclose(driver.results[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(driver.results[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)

    mol = molecules.molecule_water_sto3g()
    mol.build()
    polarizability = electric.Polarizability(Program.PySCF, mol, C, E,
                                             occupations, frequencies)
    polarizability.form_operators()
    polarizability.run(hamiltonian=hamiltonian, spin=spin)
    polarizability.form_results()

    np.testing.assert_allclose(polarizability.polarizabilities[0],
                               result__0_00,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[1],
                               result__0_02,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[2],
                               result__0_06,
                               rtol=rtol,
                               atol=atol)
    np.testing.assert_allclose(polarizability.polarizabilities[3],
                               result__0_10,
                               rtol=rtol,
                               atol=atol)

    return
Пример #12
0
def calculate_uhf(
    dalton_tmpdir,
    hamiltonian=None,
    spin=None,
    operator_label=None,
    operator=None,
    source_moenergies=None,
    source_mocoeffs=None,
    source_operator=None,
):

    if operator_label:
        # TODO add dipvel
        assert operator_label in ("dipole", "angmom", "spinorb")
    assert source_moenergies in ("pyscf", "dalton")
    assert source_mocoeffs in ("pyscf", "dalton")

    dalton_molecule = dalmol.readin(dalton_tmpdir / "DALTON.BAS")
    lines = []
    for atom in dalton_molecule:
        label = atom["label"][0]
        center = atom["center"][0]
        center_str = " ".join(["{:f}".format(pos) for pos in center])
        line = "{:3} {}".format(label, center_str)
        lines.append(line)
    lines = "\n".join(lines)

    # PySCF molecule setup, needed for generating the TEIs in the MO
    # basis.
    mol = pyscf.gto.Mole()
    verbose = 1
    mol.verbose = verbose
    mol.atom = lines
    mol.unit = "Bohr"
    # TODO read basis from DALTON molecule
    mol.basis = "sto-3g"
    mol.symmetry = False
    # TODO read charge from DALTON molecule?
    mol.charge = 1
    # TODO read spin from DALTON molecule?
    mol.spin = 1

    mol.build()

    ifc = sirifc.sirifc(dalton_tmpdir / "SIRIFC")
    occupations = utils.occupations_from_sirifc(ifc)

    if source_moenergies == "pyscf" or source_mocoeffs == "pyscf":
        mf = pyscf.scf.UHF(mol)
        mf.kernel()

    if source_moenergies == "pyscf":
        E_alph = np.diag(mf.mo_energy[0])
        E_beta = np.diag(mf.mo_energy[1])
        E = np.stack((E_alph, E_beta), axis=0)
    elif source_moenergies == "dalton":
        job = ccopen(dalton_tmpdir / "DALTON.OUT")
        data = job.parse()
        # pylint: disable=no-member
        E = np.diag([
            convertor(x, "eV", "hartree") for x in data.moenergies[0]
        ])[np.newaxis, ...]
        E = np.concatenate((E, E), axis=0)
    else:
        pass

    if source_mocoeffs == "pyscf":
        C = mf.mo_coeff
    elif source_mocoeffs == "dalton":
        C = ifc.cmo[0][np.newaxis, ...]
        C = np.concatenate((C, C), axis=0)
    else:
        pass

    solver = iterators.ExactInv(C, E, occupations)

    solver.tei_mo = ao2mo.perform_tei_ao2mo_uhf_partial(mol, C)
    solver.tei_mo_type = "partial"

    driver = cphf.CPHF(solver)

    if operator:
        driver.add_operator(operator)
    elif operator_label:
        if operator_label == "dipole":
            operator_dipole = operators.Operator(label="dipole",
                                                 is_imaginary=False,
                                                 is_spin_dependent=False,
                                                 triplet=False)
            integrals_dipole_ao = mol.intor("cint1e_r_sph", comp=3)
            operator_dipole.ao_integrals = integrals_dipole_ao
            driver.add_operator(operator_dipole)
        elif operator_label == "angmom":
            operator_angmom = operators.Operator(label="angmom",
                                                 is_imaginary=True,
                                                 is_spin_dependent=False,
                                                 triplet=False)
            integrals_angmom_ao = mol.intor("cint1e_cg_irxp_sph", comp=3)
            operator_angmom.ao_integrals = integrals_angmom_ao
            driver.add_operator(operator_angmom)
        elif operator_label == "spinorb":
            operator_spinorb = operators.Operator(label="spinorb",
                                                  is_imaginary=True,
                                                  is_spin_dependent=False,
                                                  triplet=False)
            integrals_spinorb_ao = 0
            for atm_id in range(mol.natm):
                mol.set_rinv_orig(mol.atom_coord(atm_id))
                chg = mol.atom_charge(atm_id)
                integrals_spinorb_ao += chg * mol.intor("cint1e_prinvxp_sph",
                                                        comp=3)
            operator_spinorb.ao_integrals = integrals_spinorb_ao
            driver.add_operator(operator_spinorb)
        else:
            pass
    else:
        pass

    driver.set_frequencies()

    driver.run(solver_type="exact", hamiltonian=hamiltonian, spin=spin)

    return driver.results[0]