File: test_turbomole_au13.py

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# type: ignore
from ase.cluster.cubic import FaceCenteredCubic
from ase.calculators.turbomole import Turbomole

def test_turbomole_au13():
    surfaces = [(1, 0, 0), (1, 1, 0), (1, 1, 1)]
    layers = [1, 2, 1]
    atoms = FaceCenteredCubic('Au', surfaces, layers, latticeconstant=4.08)

    params = {
        'title': 'Au13-',
        'task': 'energy',
        'basis set name': 'def2-SV(P)',
        'total charge': -1,
        'multiplicity': 1,
        'use dft': True,
        'density functional': 'pbe',
        'use resolution of identity': True,
        'ri memory': 1000,
        'use fermi smearing': True,
        'fermi initial temperature': 500,
        'fermi final temperature': 100,
        'fermi annealing factor': 0.9,
        'fermi homo-lumo gap criterion': 0.09,
        'fermi stopping criterion': 0.002,
        'scf energy convergence': 1.e-4,
        'scf iterations': 250
    }

    calc = Turbomole(**params)
    atoms.calc = calc
    calc.calculate(atoms)

    # use the get_property() method
    print(calc.get_property('energy'))
    print(calc.get_property('dipole'))

    # test restart

    params = {
        'task': 'gradient',
        'scf energy convergence': 1.e-6
    }

    calc = Turbomole(restart=True, **params)
    assert calc.converged
    calc.calculate()

    print(calc.get_property('energy'))
    print(calc.get_property('forces'))
    print(calc.get_property('dipole'))