def do_nao_ngto_basis(atom, xc, naobasis, gbsfname, label, rmax=100.0):
# Read Gaussians
atomgbs, descriptiongbs, gto_k = read_gbs(gbsfname)
assert atom == atomgbs
# Generate nao basis
assert naobasis == 'sz'
# Choose basis sets without semi-core states XXXXXX
if atom == 'Ag':
label = '11.%s' % label
p = parameters_extra
else:
p = parameters
bm = BasisMaker(atom, label, run=False, gtxt=None, xc=xc)
bm.generator.run(write_xml=False, use_restart_file=False, **p[atom])
basis = bm.generate(1, 0, txt=None)
# Increase basis function max radius
h = basis.rgd.dr_g
assert isinstance(h, float)
assert basis.rgd.r_g[0] == 0.0
N = int(rmax / h) + 1
basis.rgd = EquidistantRadialGridDescriptor(h, N)
# Add NGTOs
tol = 0.001
description = []
msg = 'Augmented with NGTOs'
description.append(msg)
description.append('=' * len(msg))
description.append('')
msg = 'GTOs from file %s' % os.path.basename(gbsfname)
description.append(msg)
description.append('-' * len(msg))
description.append(descriptiongbs)
description.append('')
description.append('NGTO truncation tolerance: %f' % tol)
description.append('Functions: NGTO(l,alpha)')
for gto in gto_k:
l = gto['l']
assert len(gto['alpha_j']) == 1, \
'Only non-contracted GTOs supported'
alpha = gto['alpha_j'][0]
ngtolabel = 'NGTO(%s,%.7f)' % ('spdfghi'[l], alpha)
description.append(' ' + ngtolabel)
add_ngto(basis, l, alpha, tol, ngtolabel)
basis.generatordata += '\n\n' + '\n'.join(description)
basis.write_xml()
from __future__ import print_function
from ase.build import molecule
from gpaw import GPAW
from gpaw.poisson import PoissonSolver
from gpaw.atom.basis import BasisMaker
from gpaw.test import equal
# Tests basis set super position error correction
# Compares a single hydrogen atom to a system of one hydrogen atom
# and one ghost hydrogen atom. The systems should have identical properties,
# i.e. the ghost orbital should have a coefficient of 0.
b = BasisMaker('H').generate(1, 0, energysplit=0.005)
system = molecule('H2')
system.center(vacuum=6.0)
def prepare(setups):
calc = GPAW(basis={'H': b},
mode='lcao',
setups=setups,
h=0.2,
poissonsolver=PoissonSolver(nn='M', relax='GS', eps=1e-5),
spinpol=False,
nbands=1)
system.set_calculator(calc)
return calc
A[:, 1] = r[gc - 2:gc + 2]**2
A[:, 2] = A[:, 1]**2
A[:, 3] = A[:, 1] * A[:, 2]
a = u[gc - 2:gc + 2] / r[gc - 2:gc + 2]**(l + 1)
a = solve(A, a)
r1 = r[:gc]
r2 = r1**2
rl1 = r1**(l + 1)
y = a[0] + r2 * (a[1] + r2 * (a[2] + r2 * (a[3])))
s[:gc] = rl1 * y
if __name__ == '__main__':
import os
from gpaw.atom.basis import BasisMaker
from gpaw.atom.configurations import parameters
for xcname in ['LDA', 'PBE', 'RPBE', 'revPBE', 'GLLBSC']:
for symbol, par in parameters.items():
filename = symbol + '.' + xcname
if os.path.isfile(filename) or os.path.isfile(filename + '.gz'):
continue
g = Generator(symbol, xcname, scalarrel=True, nofiles=True)
g.run(exx=True, logderiv=False, use_restart_file=False, **par)
if xcname == 'PBE':
bm = BasisMaker(g, name='dzp', run=False)
basis = bm.generate()
basis.write_xml()
if rank != 0:
sys.stdout = devnull
GS = 1
GS2 = 1
OpticalLimit = 1
nband = 60
if GS:
# Gs calculation one
basis = BasisMaker('C').generate(2, 1) # dzp
kpts = (20,20,7)
a=1.42
c=3.355
# AB stack
atoms = Atoms('C4',[
(1/3.0,1/3.0,0),
(2/3.0,2/3.0,0),
(0. ,0. ,0.5),
(1/3.0,1/3.0,0.5)
],
pbc=(1,1,1))
atoms.set_cell([(sqrt(3)*a/2.0,3/2.0*a,0),
(-sqrt(3)*a/2.0,3/2.0*a,0),
# by setting the fd boolean below.
#
# The purpose is to test domain decomposition with large cells. The basis
# functions of one atom are defined to not overlap the rightmost domain
# for z-decompositions of two or more slices. This will change the set
# of atomic indices stored in BasisFunctions objects and other things
#
# This test also ensures that lcao forces are tested with non-pbc.
import numpy as np
from numpy import array
from ase import Atoms
from ase.units import Bohr
from gpaw import GPAW
from gpaw.atom.basis import BasisMaker
hbasis = BasisMaker('H').generate(1, 0, energysplit=1.8, tailnorm=0.03**.5)
basis = {'H' : hbasis}
atom = Atoms('H')
atom.center(vacuum=.8)
system = atom.repeat((1, 1, 4))
rc = hbasis.bf_j[0].rc
system.center(vacuum=2.5)
calc = GPAW(h=0.23,
mode='lcao',
basis=basis,
convergence={'density':1e-4, 'energy': 1e-7},
)
A[:, 1] = r[gc - 2:gc + 2]**2
A[:, 2] = A[:, 1]**2
A[:, 3] = A[:, 1] * A[:, 2]
a = u[gc - 2:gc + 2] / r[gc - 2:gc + 2]**(l + 1)
a = solve(A, a)
r1 = r[:gc]
r2 = r1**2
rl1 = r1**(l + 1)
y = a[0] + r2 * (a[1] + r2 * (a[2] + r2 * (a[3])))
s[:gc] = rl1 * y
if __name__ == '__main__':
import os
from gpaw.xc_functional import XCFunctional
from gpaw.atom.basis import BasisMaker
from gpaw.atom.configurations import parameters
for xcname in ['LDA', 'PBE', 'RPBE', 'revPBE']:
for symbol, par in parameters.items():
filename = symbol + '.' + XCFunctional(xcname).get_name()
if os.path.isfile(filename):
continue
g = Generator(symbol, xcname, scalarrel=True, nofiles=True)
g.run(exx=True, logderiv=False, use_restart_file=False, **par)
if xcname == 'PBE':
bm = BasisMaker(g, name='dzp', run=False)
basis = bm.generate()
basis.write_xml()
from gpaw.atom.generator import Generator
from gpaw.atom.configurations import parameters
from gpaw.atom.basis import BasisMaker
symbol = 'Au'
args = parameters[symbol] # Dictionary of default setup parameters
args['rcut'] = 2.6 # Set cutoff of augmentation sphere
generator = Generator(symbol, 'RPBE')
generator.N *= 2 # Increase grid resolution
generator.run(write_xml=False, **args)
bm = BasisMaker(generator, name='special', run=False)
# Create double-zeta RPBE basis where p orbital is considered a valence state
# (ordinary dzp basis would use a smaller p-type Gaussian for polarization)
# The list jvalues indicates which states should be included, and the
# ordering corresponds to the valence states in the setup.
basis = bm.generate(zetacount=2,
polarizationcount=0,
energysplit=0.1,
jvalues=[0, 1, 2],
rcutmax=12.0)
basis.write_xml() # Dump to file 'Au.special.basis'
from gpaw.atom.generator import Generator
from gpaw.atom.configurations import parameters
from gpaw.atom.basis import BasisMaker
symbol = 'Au'
args = parameters[symbol] # Dictionary of default setup parameters
args['rcut'] = 2.6 # Set cutoff of augmentation sphere
generator = Generator(symbol, 'RPBE')
generator.N *= 2 # Increase grid resolution
generator.run(write_xml=False, **args)
bm = BasisMaker(generator, name='special', run=False)
# Create double-zeta RPBE basis where p orbital is considered a valence state
# (ordinary dzp basis would use a smaller p-type Gaussian for polarization)
basis = bm.generate(zetacount=2, polarizationcount=0,
energysplit=0.1, lvalues=[0, 1, 2],
rcutmax=12.0)
basis.write_xml() # Dump to file 'Au.special.basis'
def main():
parser = build_parser()
opts, args = parser.parse_args()
#if __name__ == '__main__' and len(args) == 0:
# parser.print_help()
# sys.exit(0)
from gpaw.atom.basis import BasisMaker
from gpaw import ConvergenceError
from gpaw.basis_data import parse_basis_name
zetacount, polcount, basistype = parse_basis_name(opts.type)
referencefiles = [None] * len(args)
reference_atom_indices = [None] * len(args)
if polcount > 0:
symbols = []
for i, arg in enumerate(args):
# Parse argument as <symbol>:<reference-file>:<nuclear index>.
symbol_and_file = arg.split(':')
symbol = symbol_and_file[0]
symbols.append(symbol)
if len(symbol_and_file) > 1:
referencefiles[i] = symbol_and_file[1] # filename
if len(symbol_and_file) == 3:
reference_atom_indices[i] = int(symbol_and_file[2])
else:
symbols = args
if opts.name is not None:
name = '%s.%s' % (opts.name, basistype)
else:
name = basistype
for symbol, referencefile, referenceindex in zip(symbols, referencefiles,
reference_atom_indices):
try:
bm = BasisMaker(symbol,
name,
gtxt=None,
non_relativistic_guess=opts.non_relativistic_guess,
xc=opts.xcfunctional)
except ConvergenceError:
if opts.non_relativistic_guess:
print(very_bad_density_warning, file=sys.stderr)
import traceback
traceback.print_exc()
else:
print(bad_density_warning, file=sys.stderr)
continue
tailnorm = [float(norm) for norm in opts.tailnorm.split(',')]
vconf_args = None
if not opts.vconf_sharp_confinement:
vconf_args = opts.vconf_amplitude, opts.vconf_rstart_rel
jvalues = None
if opts.jvalues:
jvalues = [int(j) for j in opts.jvalues.split(',')]
basis = bm.generate(zetacount,
polcount,
tailnorm=tailnorm,
energysplit=opts.energy_shift,
referencefile=referencefile,
referenceindex=referenceindex,
rcutpol_rel=opts.rcut_pol_rel,
rcutmax=opts.rcut_max,
rcharpol_rel=opts.rchar_pol_rel,
vconf_args=vconf_args,
l_pol=opts.lpol,
jvalues=jvalues)
basis.write_xml()
import cPickle as pickle
import numpy as np
from ase import Atoms
from gpaw import GPAW, restart, setup_paths
from gpaw.lcao.tools import get_lcao_hamiltonian
from gpaw.mpi import world
from gpaw.atom.basis import BasisMaker
from gpaw.test import equal
if world.rank == 0:
basis = BasisMaker('Li', 'szp').generate(1, 1)
basis.write_xml()
world.barrier()
if setup_paths[0] != '.':
setup_paths.insert(0, '.')
if 1:
a = 2.7
bulk = Atoms('Li', pbc=True, cell=[a, a, a])
calc = GPAW(gpts=(8, 8, 8), kpts=(4, 4, 4), mode='lcao', basis='szp')
bulk.set_calculator(calc)
e = bulk.get_potential_energy()
niter = calc.get_number_of_iterations()
calc.write('temp.gpw')
atoms, calc = restart('temp.gpw')
H_skMM, S_kMM = get_lcao_hamiltonian(calc)
eigs = calc.get_eigenvalues(kpt=2)
if world.rank == 0:
eigs2 = np.linalg.eigvals(np.linalg.solve(S_kMM[2], H_skMM[0, 2])).real
# This test calculates derivatives of lcao overlap matrices such as
#
# a ~a
# P = < p | Phi >
# i mu i mu
#
# and compares to finite difference results.
from ase.data.molecules import molecule
from ase.units import Bohr
from gpaw import GPAW
from gpaw.atom.basis import BasisMaker
obasis = BasisMaker('O').generate(2, 1)
hbasis = BasisMaker('H').generate(2, 1)
basis = {'O': obasis, 'H': hbasis}
system1 = molecule('H2O')
system1.center(vacuum=2.0)
system1.positions[1] -= 0.2
system2 = system1.copy()
system2.set_cell((3., 3., 3.))
system2.set_pbc(1)
def runcheck(system, dR, kpts=None):
calc = GPAW(mode='lcao', basis=basis, txt=None)
system.set_calculator(calc)
calc.initialize(system)
import cPickle as pickle
import numpy as np
from ase import Atoms
from gpaw import GPAW, setup_paths, FermiDirac
from gpaw.transport.jstm import STM, dump_hs, dump_lead_hs
from gpaw.atom.basis import BasisMaker
from gpaw.mpi import world
from gpaw.test import equal
if world.rank == 0:
basis = BasisMaker('H', 'sz').generate(1, 0)
basis.write_xml()
world.barrier()
if setup_paths[0] != '.':
setup_paths.insert(0, '.')
# GPAW calculations
a = 0.75 # Bond length
cell = np.diag([5, 5, 12 * a])
atoms = Atoms('H12', pbc=(1, 1, 1), cell=cell)
atoms.positions[:, 2] = [i * a for i in range(12)]
calc = GPAW(h=0.2,
occupations=FermiDirac(width=0.1),
mode='lcao',
basis='sz',
usesymm=False)
# Lead calculation
lead = atoms.copy()
from gpaw.atom.generator import Generator
from gpaw.atom.basis import BasisMaker
args = {'core': '[Kr]', 'rcut': 2.45}
generator = Generator('Ag', 'GLLBSC', scalarrel=True)
generator.N *= 2 # Increase grid resolution
generator.run(**args)
bm = BasisMaker(generator, name='GLLBSC', run=False)
basis = bm.generate(
zetacount=2,
polarizationcount=0,
energysplit=0.07,
jvalues=[0, 1, 2], # include d, s and p
rcutmax=12.0)
basis.write_xml()
# This tests calculates the force on the atoms of a
# slightly distorted Silicon primitive cell.
#
# If the test fails, set the fd boolean below to enable a (costly) finite
# difference check.
import numpy as np
from ase import Atoms
from gpaw import GPAW
from gpaw.atom.basis import BasisMaker
from gpaw.test import equal
sibasis = BasisMaker('Si').generate(2, 1, energysplit=0.3, tailnorm=0.03**.5)
basis = {'Si' : sibasis}
a = 5.475
system = Atoms(symbols='Si2', pbc=True,
cell=0.5 * a * np.array([(1, 1, 0),
(1, 0, 1),
(0, 1, 1)]),
scaled_positions=[(0.0, 0.0, 0.0),
(0.23, 0.23, 0.23)])
calc = GPAW(h=0.2,
mode='lcao',
basis=basis,
kpts=(2,2,2),
convergence={'density':1e-5, 'energy': 1e-6}
)
system.set_calculator(calc)
from __future__ import print_function
# This tests calculates the force on the atoms of a small molecule.
#
# If the test fails, set the fd boolean below to enable a (costly) finite
# difference check.
import numpy as np
from ase.structure import molecule
from gpaw import GPAW
from gpaw.atom.basis import BasisMaker
obasis = BasisMaker('O').generate(2, 1, energysplit=0.3, tailnorm=0.03**.5)
hbasis = BasisMaker('H').generate(2, 1, energysplit=0.3, tailnorm=0.03**.5)
basis = {'O': obasis, 'H': hbasis}
system = molecule('H2O')
system.center(vacuum=1.5)
system.rattle(stdev=.2, seed=42)
system.set_pbc(1)
calc = GPAW(h=0.2,
mode='lcao',
basis=basis,
kpts=[(0., 0., 0.), (.3, .1, .4)],
convergence={
'density': 1e-5,
'energy': 1e-6
})
system.set_calculator(calc)
import cPickle as pickle
import numpy as np
from ase import Atoms
from gpaw import GPAW, setup_paths, FermiDirac
from gpaw.transport.jstm import STM, dump_hs, dump_lead_hs
from gpaw.atom.basis import BasisMaker
from gpaw.mpi import world
from gpaw.test import equal
if world.rank == 0:
basis = BasisMaker('H', 'sz').generate(1, 0)
basis.write_xml()
world.barrier()
if setup_paths[0] != '.':
setup_paths.insert(0, '.')
# GPAW calculations
a = 0.75 # Bond length
cell = np.diag([5, 5, 12 * a])
atoms = Atoms('H12', pbc=(1, 1, 1), cell=cell)
atoms.positions[:, 2] = [i * a for i in range(12)]
calc = GPAW(h=0.2,
occupations=FermiDirac(width=0.1),
mode='lcao',
basis='sz',
usesymm=False)
# Lead calculation
lead = atoms.copy()
def main():
parser = build_parser()
opts, args = parser.parse_args()
#if __name__ == '__main__' and len(args) == 0:
# parser.print_help()
# sys.exit(0)
from gpaw.atom.basis import BasisMaker
from gpaw import ConvergenceError
from gpaw.basis_data import parse_basis_name
zetacount, polcount, basistype = parse_basis_name(opts.type)
referencefiles = [None] * len(args)
reference_atom_indices = [None] * len(args)
if polcount > 0:
symbols = []
for i, arg in enumerate(args):
# Parse argument as <symbol>:<reference-file>:<nuclear index>.
symbol_and_file = arg.split(':')
symbol = symbol_and_file[0]
symbols.append(symbol)
if len(symbol_and_file) > 1:
referencefiles[i] = symbol_and_file[1] # filename
if len(symbol_and_file) == 3:
reference_atom_indices[i] = int(symbol_and_file[2])
else:
symbols = args
if opts.name is not None:
name = '%s.%s' % (opts.name, basistype)
else:
name = basistype
for symbol, referencefile, referenceindex in zip(symbols, referencefiles,
reference_atom_indices):
try:
bm = BasisMaker(symbol, name, gtxt=None,
non_relativistic_guess=opts.non_relativistic_guess,
xc=opts.xcfunctional)
except ConvergenceError:
if opts.non_relativistic_guess:
print(very_bad_density_warning, file=sys.stderr)
import traceback
traceback.print_exc()
else:
print(bad_density_warning, file=sys.stderr)
continue
tailnorm = [float(norm) for norm in opts.tailnorm.split(',')]
vconf_args = None
if not opts.vconf_sharp_confinement:
vconf_args = opts.vconf_amplitude, opts.vconf_rstart_rel
jvalues = None
if opts.jvalues:
jvalues = [int(j) for j in opts.jvalues.split(',')]
basis = bm.generate(zetacount, polcount,
tailnorm=tailnorm,
energysplit=opts.energy_shift,
referencefile=referencefile,
referenceindex=referenceindex,
rcutpol_rel=opts.rcut_pol_rel,
rcutmax=opts.rcut_max,
rcharpol_rel=opts.rchar_pol_rel,
vconf_args=vconf_args,
l_pol=opts.lpol,
jvalues=jvalues)
basis.write_xml()
from ase import Atoms
from gpaw import FermiDirac, Mixer
from gpaw.transport.calculator import Transport
from gpaw.atom.basis import BasisMaker
from gpaw.poisson import PoissonSolver
import pickle
a = 3.6
L = 7.00
basis = BasisMaker('Na').generate(1, 1, energysplit=0.3)
atoms = Atoms('Na12', pbc=(1, 1, 1), cell=[L, L, 12 * a])
atoms.positions[:12, 2] = [i * a for i in range(12)]
atoms.positions[:, :2] = L / 2.
atoms.center()
pl_atoms1 = range(4)
pl_atoms2 = range(8, 12)
pl_cell1 = (L, L, 4 * a)
pl_cell2 = pl_cell1
t = Transport(h=0.3,
xc='LDA',
basis={'Na': basis},
kpts=(2, 2, 1),
occupations=FermiDirac(0.1),
mode='lcao',
poissonsolver=PoissonSolver(nn=2, relax='GS'),
txt='Na_lcao.txt',
mixer=Mixer(0.1, 5, weight=100.0),
guess_steps=10,
def main():
parser = OptionParser(usage='%prog [OPTION...] [SYMBOL...]',
description=description)
parser.add_option('--xc',
metavar='FUNCTIONAL',
default='PBE',
help='generate basis sets for FUNCTIONAL[=%default]')
parser.add_option('--from',
metavar='SYMBOL',
dest='_from',
help='generate starting from SYMBOL if generating '
'for all elements')
opts, symbols = parser.parse_args()
if len(symbols) == 0:
symbols = sorted(parameters.keys())
othersymbols = []
for symbol in parameters_extra:
name = parameters_extra[symbol]['name']
code = '%s.%s' % (symbol, name)
othersymbols.append(code)
trouble = set(['Os.8', 'Ta.5', 'V.5', 'W.6', 'Ir.9'])
othersymbols = [
symbol for symbol in othersymbols if symbol not in trouble
]
symbols.extend(sorted(othersymbols))
if opts._from:
index = symbols.index(opts._from)
symbols = symbols[index:]
specifications = []
for sym in symbols:
try:
s = SetupData(sym, opts.xc)
except RuntimeError as e:
if str(e).startswith('Could not find'):
#print 'No %s' % sym
continue
else:
raise
# One could include basis functions also for the ``virtual'' states
# (marked with negative n)
jvalues = []
jextra = []
for j in range(len(s.f_j)):
if s.eps_j[j] < 0:
jvalues.append(j)
if s.f_j[j] == 0.0 and s.n_j[j] > 0:
jextra.append(j)
if len(jextra) > 0:
specifications.append(BasisSpecification(s, jvalues, jextra))
#print sym, jvalues
# XXX check whether automatic settings coincide with those of official
# setups distribution
#bm = BasisMaker(sym, ''
if world.rank == 0:
print('Generating basis sets for: %s' %
' '.join(spec.setup.symbol for spec in specifications))
sys.stdout.flush()
world.barrier()
for i, spec in enumerate(specifications):
if i % world.size != world.rank:
continue
if world.size > 1:
print(world.rank, spec)
else:
print(spec)
gtxt = None
# XXX figure out how to accept Ag.11
tokens = spec.setup.symbol.split('.')
sym = tokens[0]
if len(tokens) == 1:
p = parameters
name = 'pvalence'
elif len(tokens) == 2:
p = parameters_extra
name = '%s.pvalence' % tokens[1]
else:
raise ValueError('Strange setup specification')
type = 'dz' # XXXXXXXXX
bm = BasisMaker(sym,
'%s.%s' % (name, type),
run=False,
gtxt=gtxt,
xc=opts.xc)
bm.generator.run(write_xml=False, use_restart_file=False, **p[sym])
basis = bm.generate(2, 0, txt=None, jvalues=spec.jvalues)
basis.write_xml()
