class TestNuclearAttractionMatrixHeHCation(TestCase): def setUp(self): hydrogen_basis_1 = MagicMock(contraction=0.15432897, exponent=3.42525091, coordinates=(0, 0, -0.7316), integral_exponents=(0, 0, 0), normalisation = 1.794441832218435) hydrogen_basis_2 = MagicMock(contraction=0.53532814, exponent=0.62391373, coordinates=(0, 0, -0.7316), integral_exponents=(0, 0, 0), normalisation = 0.5003264923314032) hydrogen_basis_3 = MagicMock(contraction=0.44463454, exponent=0.16885540, coordinates=(0, 0, -0.7316), integral_exponents=(0, 0, 0), normalisation = 0.18773545851092535) helium_basis_1 = MagicMock(contraction=0.15432897, exponent=9.75393461, coordinates=(0, 0, 0.7316), integral_exponents=(0, 0, 0), normalisation = 3.9336432656254527) helium_basis_2 = MagicMock(contraction=0.53532814, exponent=1.77669115, coordinates=(0, 0, 0.7316), integral_exponents=(0, 0, 0), normalisation = 1.0967787981767012) helium_basis_3 = MagicMock(contraction=0.44463454, exponent=0.48084429, coordinates=(0, 0, 0.7316), integral_exponents=(0, 0, 0), normalisation = 0.41154131374122654) helium_basis = MagicMock(primitive_gaussian_array=[helium_basis_1, helium_basis_2, helium_basis_3], coordinates=(0, 0, -0.7316), integral_exponents=(0, 0, 0)) hydrogen_basis = MagicMock(primitive_gaussian_array=[hydrogen_basis_1, hydrogen_basis_2, hydrogen_basis_3], coordinates=(0, 0, 0.7316), integral_exponents=(0, 0, 0)) basis_set_array = [helium_basis, hydrogen_basis] helium_nuclei = MagicMock(element='HELIUM', charge=2, mass=4, coordinates=(0.000000, 0.000000, 0.7316)) hydrogen_nuclei = MagicMock(element='HYDROGEN', charge=1, mass=1, coordinates=(0.000000, 0.000000, -0.7316)) nuclei_array = [helium_nuclei, hydrogen_nuclei] self.kinetic_energy_integral = NuclearAttractionMatrix(basis_set_array, nuclei_array) def test_method_calculate_returns_the_nuclear_attraction_energy_of_helium_1s(self): kinetic_energy = self.kinetic_energy_integral.calculate(0, 0) testing.assert_approx_equal(kinetic_energy, -4.817, 5) def test_method_calculate_returns_the_nuclear_attraction_energy_of_quantum_mechanical_off_diagonal_parts(self): kinetic_energy = self.kinetic_energy_integral.calculate(0, 1) testing.assert_approx_equal(kinetic_energy, -1.5142, 3) def test_method_calculate_returns_the_nuclear_attraction_energy_of_hydrogen_1s(self): kinetic_energy = self.kinetic_energy_integral.calculate(1, 1) testing.assert_approx_equal(kinetic_energy, -2.4912, 4)
class TestNuclearAttractionMatrixHydrogen(TestCase): def setUp(self): hydrogen_basis_1 = MagicMock(contraction=0.15432897, exponent=3.42525091, coordinates=(0, 0, 0.7000), integral_exponents=(0, 0, 0), normalisation = 1.794441832218435) hydrogen_basis_2 = MagicMock(contraction=0.53532814, exponent=0.62391373, coordinates=(0, 0, 0.7000), integral_exponents=(0, 0, 0), normalisation = 0.5003264923314032) hydrogen_basis_3 = MagicMock(contraction=0.44463454, exponent=0.16885540, coordinates=(0, 0, 0.7000), integral_exponents=(0, 0, 0), normalisation = 0.18773545851092535) hydrogen_basis_4 = MagicMock(contraction=0.15432897, exponent=3.42525091, coordinates=(0, 0, -0.7000), integral_exponents=(0, 0, 0), normalisation = 1.794441832218435) hydrogen_basis_5 = MagicMock(contraction=0.53532814, exponent=0.62391373, coordinates=(0, 0, -0.7000), integral_exponents=(0, 0, 0), normalisation = 0.5003264923314032) hydrogen_basis_6 = MagicMock(contraction=0.44463454, exponent=0.16885540, coordinates=(0, 0, -0.7000), integral_exponents=(0, 0, 0), normalisation = 0.18773545851092535) hydrogen_1_basis = MagicMock(primitive_gaussian_array=[hydrogen_basis_1, hydrogen_basis_2, hydrogen_basis_3], coordinates=(0, 0, -0.7000), integral_exponents=(0, 0, 0)) hydrogen_2_basis = MagicMock(primitive_gaussian_array=[hydrogen_basis_4, hydrogen_basis_5, hydrogen_basis_6], coordinates=(0, 0, 0.7000), integral_exponents=(0, 0, 0)) basis_set_array = [hydrogen_1_basis, hydrogen_2_basis] hydrogen_1_nuclei = MagicMock(element='HYDROGEN', charge=1, mass=1, coordinates=(0.000000, 0.000000, 0.7000)) hydrogen_2_nuclei = MagicMock(element='HYDROGEN', charge=1, mass=1, coordinates=(0.000000, 0.000000, -0.7000)) nuclei_array = [hydrogen_1_nuclei, hydrogen_2_nuclei] self.kinetic_energy_integral = NuclearAttractionMatrix(basis_set_array, nuclei_array) def test_method_calculate_returns_the_nuclear_attraction_energy_of_hydrogen_1s(self): kinetic_energy = self.kinetic_energy_integral.calculate(0, 0) testing.assert_approx_equal(kinetic_energy, -1.8804, 4) def test_method_calculate_returns_the_nuclear_attraction_energy_of_quantum_mechanical_off_diagonal_parts(self): kinetic_energy = self.kinetic_energy_integral.calculate(0, 1) testing.assert_approx_equal(kinetic_energy, -1.1948, 4)