示例#1
0
def toInp(qminp, **kwargs):
    inpClass = qtk.QM.general_io.GenericQMInput
    is_qminp = issubclass(qminp.__class__, inpClass)
    if not is_qminp:
        if type(qminp) is str or type(qminp) is qtk.Molecule:
            qminp = qtk.QMInp(qminp, **kwargs)
    return qminp
示例#2
0
    def __init__(self, molecule, **kwargs):
        GenericMDInput.__init__(molecule, **kwargs)
        if 'theory' not in kwargs:
            self.setting['theory'] = 'PBE'

        if 'vdw' not in kwargs:
            self.setting['vdw'] = kwargs['vdw']

        if 'cutoff' not in kwargs:
            self.setting['cutoff'] = 100

        if 'periodic' not in kwargs:
            self.setting['periodic'] = True

        if 'em_step' not in kwargs:
            self.setting['em_step'] = 200

        if 'eq_step' not in kwargs:
            self.setting['eq_step'] = 200

        if 'md_step' not in kwargs:
            self.setting['md_step'] = 5000

        if 'md_mode' not in kwargs:
            self.setting['md_mode'] = 'BOMD'

        # celldm can always be overwritten
        if 'celldm' not in kwargs:
            # for the case of molecule xyz input (molecule)
            # set default orthorombic celldm
            if not self.molecule.celldm:
                box = self.molecule.getBox()
                # set defualt margin in specified in setting.py,
                # grow with box size
                if 'margin' not in kwargs:
                    m = qtk.setting.box_margin
                    self.setting['margin'] = max(m, max(box) / 5.)
                edge = np.array([min(self.molecule.R[:,i])\
                  for i in range(3)])
                self.molecule.shift(self.setting['margin'] - edge)
                box = 2 * self.setting['margin'] + box
                self.setting['celldm'] = np.append(box, [0, 0, 0])
            else:
                self.setting['celldm'] = self.molecule.celldm

        for key in self.md_setting.iterkeys():
            qtk.report("MDJob", "setting", key, ":", self.md_setting[key])

        em_setting = copy.deepcopy(self.setting)
        em_setting['md_step'] = em_setting['em_step']
        em_setting['mode'] = 'geopt'
        em_setting['info'] = ' MD em job with ' + molecule
        self.emInp = qtk.QMInp(molecule, **em_setting)

        eq_setting = copy.deepcopy(self.setting)
        eq_setting['md_step'] = eq_setting['eq_step']
        eq_setting['info'] = ' MD eq job with ' + molecule
        eq_setting['mode'] = self.md_setting['md_mode']
        self.eqInp = qtk.QMInp(molecule, **eq_setting)

        md_setting = copy.deepcopy(self.setting)
        md_setting['mode'] = self.md_setting['md_mode']
        md_setting['info'] = ' MD md job with ' + molecule
        self.mdInp = qtk.QMInp(molecule, **md_setting)
示例#3
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def genRefInp(x, y, n_pair, **kwargs):
    """
  generate cpmd input files for graphene reference calculation
  x: number of graphene 4-atom unit cells in x
  y: number of graphene 4-atom unit cells in y
  n_pair: number of BN pairs in the system
  kwargs: max_sample
  """

    if 'path' in kwargs:
        qtk.report("creating folder", kwargs['path'])
        os.makedirs(kwargs['path'])
        os.chdir(kwargs['path'])

    print "%screating inp folder...%s"\
          % (qtk.bcolors.OKGREEN, qtk.bcolors.ENDC)
    if not os.path.exists('inp'):
        os.makedirs('inp')
    else:
        print "%sinp folder exist, baking up to back_inp...%s"\
              % (qtk.bcolors.WARNING, qtk.bcolors.ENDC)
        try:
            shutil.rmtree('back_inp')
        except:
            pass
        os.rename('inp', 'back_inp')
        os.makedirs('inp')

    N = 4 * x * y

    if 'max_sample' in kwargs:
        max_sample = kwargs['max_sample']
    else:
        total = math.factorial(N - 1)
        denum1 = math.factorial(n_pair)**2
        denum2 = math.factorial(N - 1 - 2 * n_pair)
        max_sample = total / (denum1 * denum2)
    digit = len(str(max_sample))

    name_xyz = "gph%d-%d.xyz" % (x, y)
    name_ccs = "ccs%d-%d.txt" % (x, y)
    namev_xyz = "gph%d-%dv.xyz" % (x, y)
    namev_ccs = "ccs%d-%dv.txt" % (x, y)
    header = "gph%d%d_" % (x, y)

    ccs_file = open(name_ccs, "w")
    ccsv_file = open(namev_ccs, "w")
    print >> ccs_file, "mutation_list:\n"+\
                       " %d:%d -> 5:7\n" % (2, N) + \
                       "end"
    print >> ccsv_file, "mutation_list:\n"+\
                        " %d:%d -> 5:7\n" % (1, N-1) + \
                        "end"
    ccs_file.close()
    ccsv_file.close()

    print "%sthe following files are written: %s"\
          % (qtk.bcolors.OKGREEN, qtk.bcolors.ENDC)
    print " %s\n %s\n %s\n %s\n" % (name_xyz, namev_xyz,\
                                    name_ccs, namev_ccs)

    graphene = generate(x, y)
    graphene.write_xyz(name_xyz)
    graphenev = graphene.remove_atom(1)
    graphene.write_xyz(namev_xyz)

    space = qtk.CCS(name_xyz, name_ccs)
    space_v = qtk.CCS(namev_xyz, namev_ccs)
    flat = [item for sublist in space.mutation_list \
               for item in sublist]

    # geometry setup
    mol_base = graphene
    dx = mol_base.R[1, 0]
    mol_base.sort_coord()
    dy = mol_base.R[1, 1]
    center = mol_base.R[0] + [0, 0, -10]
    mol_base.center(center)
    x_max = mol_base.R[-1, 0]
    y_max = mol_base.R[-1, 1]
    celldm = [round(x_max + dx, 4), round(y_max + dy, 4), 20, 0, 0, 0]

    # input setup
    gph = qtk.QMInp(name_xyz, 'cpmd', info='gph')
    gph.setCelldm(celldm)
    gph.periodic()
    gph.setSCFStep(500)

    gphv = qtk.QMInp(namev_xyz, 'cpmd', info='gphv')
    gphv.setCelldm(celldm)
    gphv.periodic()
    gphv.setSCFStep(500)

    name = "inp/%s%s.inp" % (header, str(0).zfill(digit))
    namev = "inp/%s%sv.inp" % (header, str(0).zfill(digit))
    gph.write(name)
    gphv.write(namev)

    c_base = [6 for i in range(len(flat))]

    itr = 1
    for n_bn in range(1, n_pair + 1):
        for n_comb in it.combinations(range(len(flat)), n_bn):
            n_list = list(n_comb)
            rest = [index for index in range(len(flat)) \
                    if index not in list(n_comb)]
            for b_comb in it.combinations(rest, n_bn):
                name = "inp/%s%s.inp" % (header, str(itr).zfill(digit))
                namev = "inp/%s%sv.inp" % (header, str(itr).zfill(digit))
                b_list = list(b_comb)
                c_list = [index for index in rest\
                          if index not in list(n_comb)]
                atom_list = copy.deepcopy(c_base)
                for i in b_list:
                    atom_list[i] = 5
                for i in n_list:
                    atom_list[i] = 7
                valid = True
                mutate_mol = space.generate(mutation=[atom_list])
                mutate_molv = space_v.generate(mutation=[atom_list])
                mutate_mol.find_bonds()
                if not all (key in mutate_mol.bond_types \
                            for key in ('B-B', 'N-N')):
                    gph.setCenter([0, 0, -celldm[2] / 2])
                    gph.setStructure(mutate_mol)
                    gph.write(name)
                    gphv.setCenter([0, 0, -celldm[2] / 2])
                    gphv.setStructure(mutate_molv)
                    gphv.write(namev)
                itr += 1
                if itr > max_sample:
                    msg = "%sDONE! %d generated%s"\
                          % (qtk.bcolors.OKGREEN, itr-1, qtk.bcolors.ENDC)
                    sys.exit(msg)

    print "%sDONE! %d generated%s"\
           % (qtk.bcolors.OKGREEN, itr-1, qtk.bcolors.ENDC)

    itr = 1
示例#4
0
def Al1st(qminp, runjob=False, ref_dir='restart_path', **setting):
  #assert os.path.exists(ref_dir)
  if 'ref_dir' in setting:
    ref_dir = setting['ref_dir']
  setting['ref_dir'] = os.path.abspath(ref_dir)

  if 'runjob' not in setting:
    setting['runjob'] = False

  qminp = copy.deepcopy(univ.toInp(qminp, **setting))
  if hasattr(qminp.setting, 'save_restart'):
    qminp.setting['save_restart'] = False

  name = qminp.molecule.name
  if 'out_dir' in setting:
    name = setting['out_dir']
    del setting['out_dir']
    qminp.molecule.name = name
    qminp.setting['root_dir'] = name

  if qminp.setting['program'] == 'cpmd':
    setting['restart'] = True
    setting['scf_step'] = 1
    rst = os.path.join(setting['ref_dir'], 'RESTART')
    assert os.path.exists(rst)
    rst = os.path.abspath(rst)
    if 'dependent_files' in setting:
      setting['dependent_files'].append(rst)
    else:
      setting['dependent_files'] = [rst]

  elif qminp.setting['program'] == 'abinit':
    setting['restart'] = True
    setting['scf_step'] = 0
    rstList = sorted(glob.glob(os.path.join(setting['ref_dir'], '*o_*WFK')))
    assert len(rstList) > 0
    rstSrc = rstList[-1]
    if 'dependent_file' in setting:
      setting['dependent_files'].append([rstSrc, name+'i_WFK'])
    else:
      setting['dependent_files'] = [[rstSrc, name+'i_WFK']]

    denList = sorted(glob.glob(os.path.join(setting['ref_dir'], '*o_*DEN')))
    if len(denList) > 0:
      setting['restart_density'] = True
      denSrc = denList[-1]
      setting['dependent_files'].append([denSrc, name+'i_DEN'])

  elif qminp.setting['program'] == 'espresso':
    wfn = glob.glob(setting['ref_dir'] + '/*.wfc[0-9]*')
    if 'threads' not in setting or setting['threads'] != len(wfn):
      qtk.warning('threads must be the same as ref_dir, reset to %d'\
                  % len(wfn))
      setting['threads'] = len(wfn)
    setting['restart'] = True
    setting['scf_step'] = 1
    rst = glob.glob(setting['ref_dir'] + '/*.restart*')
    save = glob.glob(setting['ref_dir'] + '/*.save')
    if 'dependent_files' in setting:
      for lst in [wfn, rst, save]:
        setting['dependent_files'].extend(lst)
    else:
      setting['dependent_files'] = wfn
      for lst in [rst, save]:
        setting['dependent_files'].extend(lst)

  elif qminp.setting['program'] == 'vasp':
    setting['restart'] = True
    setting['scf_step'] = 1
    wfn_list = sorted(glob.glob(setting['ref_dir'] + '/WAVECAR'))
    assert len(wfn_list) == 1
    wfn = wfn_list[0]
    if 'dependent_files' in setting:
      setting['dependent_files'].append(wfn)
    else:
      setting['dependent_files'] = [wfn]

  elif qminp.setting['program'] == 'bigdft':
    pass

  elif qminp.setting['program'] == 'nwchem':
    pass

  if setting['runjob']:
    qmout = qminp.run(name, **setting)
    return qmout
  else:
    qminp.molecule.name = name
    qminp.setting.update(setting)
    new_inp = qtk.QMInp(qminp.molecule, **qminp.setting)
    return new_inp
示例#5
0
    #'threads': 4
}

# In[ ]:

# construct QM jobs
inp_refs = []
inp_prds = []
for d in np.arange(0.5, 2.4, 0.1):
    # construct HF reference run with RESTART file
    s = d - 1.
    d_str = '%02d' % np.round(d * 10)
    tmp = hf.copy()
    tmp.stretch(1, [0, 1], s)
    tmp.name = 'hf_ref%s' % d_str
    inp = qtk.QMInp(tmp, save_restart=True, **qmsettings)
    inp_refs.append(inp)

    # construct HCl target run
    tmp2 = hcl.copy()
    tmp2.stretch(1, [0, 1], s)
    tmp2.name = 'hcl_ref%s' % d_str
    inp = qtk.QMInp(tmp2, **qmsettings)
    inp_refs.append(inp)

    # construct HCl prediction run with alchemical prediction setting
    prd = hcl.copy()
    prd.stretch(1, [0, 1], s)
    prd.name = 'hcl_prd%s' % d_str
    rst_file = '%s/hf_ref%s/RESTART.1' % (ref_root, d_str)
    inp = qtk.QMInp(prd,
示例#6
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  def __init__(self, xyz_i, xyz_f, 
               program=qtk.setting.qmcode, **kwargs):
    if 'name' in kwargs:
      self.name = kwargs['name']
    elif type(xyz_i)==str and type(xyz_f)==str:
      ref_stem, _ = os.path.splitext(xyz_i)
      tar_stem, _ = os.path.splitext(xyz_f)
      self.name = ref_stem + '-' + tar_stem
    else:
      self.name = 'A2B'
    self.program = program

    if type(xyz_i) == str:
      self.initial = qtk.Molecule()
      self.initial.read(xyz_i)
    elif type(xyz_i) == qtk.Molecule:
      self.initial = xyz_i
    if type(xyz_f) == str:
      self.final = qtk.Molecule()
      self.final.read(xyz_f)
    elif type(xyz_f) == qtk.Molecule:
      self.final = xyz_f

    self.inp_base = qtk.QMInp(xyz_i, program)
    if 'inp_base' in kwargs:
      if kwargs['inp_base'] is not None:
        inp_tmp = copy.deepcopy(kwargs['inp_base'])
        self.inp_base.inp.setting = inp_tmp.inp.setting

    # !!!!!!!!!!!!!!!!!!!!!!!
    # construct mutation list
    # tar_list: list of matching location
    tar_list = [i for i in range(self.final.N)]
    self.mutation_ind = []
    self.mutation_ref = []
    self.mutation_tar = []
    self.mutation_crd = []
    # loop through every atom in initial system
    for i in range(self.initial.N):
      Zi = self.initial.type_list[i]
      Ri = self.initial.R[i]
      to_void = True
      # loop through every atom in final system
      for j in range(self.final.N):
        # every atom-pair distance
        Rj = self.final.R[j]
        diff = np.linalg.norm(Ri-Rj)
        # search for atoms at same location
        if diff < 10E-6:
          to_void = False
          tar_list[j] = False
          Zj = self.final.type_list[j]
          if Zi != Zj:
            self.mutation_ind.append(i)
            self.mutation_ref.append(Zi)
            self.mutation_tar.append(Zj)
            self.mutation_crd.append(Ri)
      # when no distance matched, set atom target to void
      if to_void:
        self.mutation_ind.append(i)
        self.mutation_ref.append(Zi)
        self.mutation_tar.append('VOID')
        self.mutation_crd.append(Ri)

    # loop through every target atom for non-matching atoms
    N = self.initial.N
    for j in range(self.final.N):
      if tar_list[j]:
        self.mutation_ind.append(N)
        self.mutation_ref.append('VOID')
        self.mutation_tar.append(self.final.type_list[j])
        self.mutation_crd.append(self.final.R[j])
示例#7
0
#!/usr/bin/python

import qctoolkit as qtk
import qctoolkit.alchemy as qal
import glob, copy, os, re, shutil
import numpy as np

if os.path.exists('inp'):
    shutil.rmtree('inp')
os.makedirs('inp')

dopt = [[False, 2.1163, 2.2244], [1.5190, False, 1.9307],
        [1.5677, 1.8524, False]]

xyz_file = glob.glob('structure/*.xyz')
inp = qtk.QMInp(xyz_file[0], 'cpmd')
inp.setCelldm([20, 15, 15, 0, 0, 0])
inp.setShift([7.5, 7.5, 7.5])
inp.saveDensity()
ref_list = []
tar_list = []
name_list = []
for xyz in xyz_file:
    mol1 = qtk.Molecule()
    mol1.read(xyz)
    ref_list.append(mol1)

    atom, coord = mol1.extract(1)
    tars = []
    for d_tar in [1, 1.5, 2, 2.5]:
        mol2 = qtk.Molecule()
示例#8
0
def AlGaX_EvOpt(structure, vacancy_ind, ccs_span, **kwargs):

    qm_setting = {}
    if 'qm_setting' in kwargs:
        qm_setting = kwargs['qm_setting']
    qm_setting['save_restart'] = True

    if 'QMInp' in kwargs:
        baseinp = kwargs['QMInp']
    else:
        baseinp = qtk.QMInp(structure, program='cpmd')
    if 'T' in kwargs:
        _T = kwargs['T']
    else:
        _T = 1
    if 'target' in kwargs:
        _target = kwargs['target']
    else:
        _target = 0

    if 'log_file' in kwargs:
        logfile = kwargs['log_file']
    else:
        logfile = 'AlGaX_EvOpt.log'

    if 'threads' in kwargs:
        _threads = kwargs['threads']
    else:
        _threads = qtk.cpu_count

    if 'threads_per_job' in kwargs:
        _threadspj = kwargs['threads_per_job']
    else:
        _threadspj = _threads
    _parallel = int(_threads / _threadspj)

    if 'optimizer' in kwargs:
        _optimizer = kwargs['optimizer']
        if _optimizer == 'GA':
            if 'population_size' in kwargs:
                _population_size = kwargs['population_size']
            else:
                _population_size = qtk.setting.cpu_count
    else:
        _optimizer = 'MC'

    ccs = qtk.CCS(structure, ccs_span)

    inpp = qtk.QMInp(structure, **qm_setting)
    inpp.setting['info'] = 'Ev_per_ref'
    if not os.path.exists('pref/pref.out'):
        inpp.run('pref')

    inpv = qtk.QMInp(structure, **qm_setting)
    inpv.removeAtoms(vacancy_ind)
    inpv.setChargeMultiplicity(0, 2)
    inpv.setting['info'] = 'Ev_vac_ref'
    if not os.path.exists('vref/vref.out'):
        inpv.run('vref')

    inpa = qtk.QMInp(structure, **qm_setting)
    inpa.isolateAtoms(vacancy_ind)
    inpa.setChargeMultiplicity(0, 2)
    inpa.setting['info'] = 'freeAtom'
    if not os.path.exists('freeAtom/freeAtom.out'):
        inpa.run('freeAtom')
    freeAtomOut = qtk.QMOut('freeAtom/freeAtom.out')

    tmp, init_ccs_coord = ccs.random()

    qm_setting['threads'] = _threadspj
    penalty_setting = {
        'QMInp': baseinp,
        'freeAtomE': freeAtomOut.Et,
        'qm_setting': qm_setting,
    }
    if 'alchemy' in kwargs and kwargs['alchemy']:
        penalty_setting['pref'] = 'pref'
        penalty_setting['vref'] = 'vref'
    input_list = [ccs, vacancy_ind, penalty_setting]

    def genCCSInp():
        _coord = ccs.random()[1]
        return _coord

    op_setting = {
        'power': 1,
        'log_file': logfile,
        'target': _target,
        'parallel': _parallel,
        'T': _T,
    }

    qtk.report('start optimizer')
    if _optimizer == 'MC':
        cylopt = qop.MonteCarlo(Ev_ccs, input_list, genCCSInp, **op_setting)
    elif _optimizer == 'GA':
        cylopt = qop.GeneticOptimizer(Ev_ccs, input_list, genCCSInp, ccs.mate,
                                      _population_size, **op_setting)
    qtk.report('optimizer initialized')

    cylopt.run()
示例#9
0
def Ev_ccs(ccs_coord, ccs_span, vacancy_index, **kwargs):
    """
  single point calculation of vacancy energy in crystal
  either reference (true) or predicted (pred) calculations
  can be assigned

  vacancy_index starts from 1
  """
    if 'QMInp' not in kwargs:
        qtk.exit("kwargs: 'QMInp' is missing.\n"\
                 + "It should be set to QMInp object of "\
                 + "system without vacancies.\n"\
                 + "It is necessary for inp settings")
    base_inp = kwargs['QMInp']

    qm_setting = {}
    if 'qm_setting' in kwargs:
        qm_setting = kwargs['qm_setting']

    if 'pref' in kwargs and 'vref' in kwargs:
        alchem = True
        perfect_ref = kwargs['pref']
        vacancy_ref = kwargs['vref']
    elif 'pref' not in kwargs and 'vref' not in kwargs:
        alchem = False

    freeE = qtk.QMOut('freeAtom/freeAtom.out')
    freeE.inUnit('ev')

    if 'threads' in kwargs:
        _threads = kwargs['threads']
    else:
        _threads = 1

    inp_wov = qtk.QMInp(ccs_span.generate(**ccs_coord))
    inp_wv = qtk.QMInp(ccs_span.generate(**ccs_coord))

    inp_wv.removeAtoms(vacancy_index)
    inp_wv.setChargeMultiplicity(0, 2)

    perfect = 'ev_perfect' + str(os.getpid())
    vacancy = 'ev_vacancy' + str(os.getpid())
    perfectinp = perfect + '.inp'
    vacancyinp = vacancy + '.inp'
    inp_wov.molecule.name = perfectinp
    inp_wv.molecule.name = vacancyinp

    if os.path.exists(perfect):
        shutil.rmtree(perfect)
    if os.path.exists(vacancy):
        shutil.rmtree(vacancy)

    print ccs_coord
    if alchem:
        out_wov = qtk.Al1st(inp_wov, ref_dir=perfect_ref, **qm_setting)
        out_wv = qtk.Al1st(inp_wv, ref_dir=vacancy_ref, **qm_setting)
    else:
        out_wov = inp_wov.run(**qm_setting)
        out_wv = inp_wv.run(**qm_setting)
    try:
        os.remove(perfectinp)
        os.remove(vacancyinp)
    except OSError:
        shutil.rmtree(perfectinp)
        shutil.rmtree(vacancyinp)

    out_wov.inUnit('ev')
    out_wv.inUnit('ev')

    final = out_wov - out_wv - freeE

    msg = str(out_wov.Et) + '-(' + str(out_wv.Et) + \
          '+' + str(freeE.Et) + ') = ' + str(final.Et)
    qtk.report('trial Ev', msg)

    return final.Et
示例#10
0
 def run(self, name=None, **kwargs):
     molecule = self.setLambda(**kwargs)
     self.qm_setting.update(kwargs)
     inp = qtk.QMInp(molecule, **self.qm_setting)
     return inp.run(name)
示例#11
0
 def getInp(self, **kwargs):
     molecule = self.setLambda(**kwargs)
     self.qm_setting.update(kwargs)
     inp = qtk.QMInp(molecule, **self.qm_setting)
     return inp
示例#12
0
 def write(self, name=None, **kwargs):
     molecule = self.setLambda(**kwargs)
     self.qm_setting.update(kwargs)
     inp = qtk.QMInp(molecule, **self.qm_setting)
     inp.write(name)