def printgeoms():
globs = globalvars()
if globs.custom_path:
f = globs.custom_path + "/Data/coordinations.dict"
else:
f = resource_filename(Requirement.parse("molSimplify"),
"molSimplify/Data/coordinations.dict")
f = open(f, 'r')
s = f.read().splitlines()
s = [_f for _f in s if _f]
f.close()
geomnames = []
geomshorts = []
coords = []
for line in s:
if (line[0] != '#'):
vals = [_f for _f in re.split(',| |:', line) if _f]
coords.append(vals[0])
geomnames.append(vals[1])
geomshorts.append(vals[2])
geomgroups = list([] for a in set(coords))
for i, g in enumerate(coords):
geomgroups[int(g) - 1].append(geomshorts[i])
for i, g in enumerate(geomnames):
print(("Coordination: %s, geometry: %s,\t short name: %s " %
(coords[i], g, geomshorts[i])))
print('')
def getgeoms():
globs = globalvars()
if globs.custom_path:
f = globs.custom_path + "/Data/coordinations.dict"
else:
f = resource_filename(Requirement.parse("molSimplify"),
"molSimplify/Data/coordinations.dict")
f = open(f, 'r')
s = f.read().splitlines()
s = [_f for _f in s if _f]
f.close()
geomnames = []
geomshorts = []
coords = []
for line in s:
if (line[0] != '#'):
vals = [_f for _f in re.split(',| |:', line) if _f]
coords.append(vals[0]) # get coordination
geomnames.append(vals[1]) # get name of geometry
geomshorts.append(vals[2]) # get short names
geomgroups = list([] for a in set(coords)) # get unique coordinations
count = 0
geomgroups[count].append(geomshorts[0])
for i in range(1, len(coords)):
if coords[i - 1] != coords[i]:
count += 1
geomgroups[count].append(geomshorts[i])
return coords, geomnames, geomshorts, geomgroups
def readfromtxt(mol, txt):
# print('!!!!', filename)
globs = globalvars()
en_dict = globs.endict()
mol.graph = []
for line in txt:
line_split = line.split()
if len(line_split) == 4 and line_split[0]:
# this looks for unique atom IDs in files
lm = re.search(r'\d+$', line_split[0])
# if the string ends in digits m will be a Match object, or None otherwise.
if lm is not None:
symb = re.sub('\d+', '', line_split[0])
# number = lm.group()
# # print('sym and number ' +str(symb) + ' ' + str(number))
# globs = globalvars()
atom = atom3D(symb, [float(line_split[1]), float(line_split[2]), float(line_split[3])],
name=line_split[0])
elif line_split[0] in en_dict.keys():
atom = atom3D(line_split[0], [float(line_split[1]), float(line_split[2]), float(line_split[3])])
else:
print('cannot find atom type')
sys.exit()
mol.addAtom(atom)
return mol
def readfromtxt(mol, txt):
# print('!!!!', filename)
globs = globalvars()
en_dict = globs.endict()
mol.graph = []
for line in txt:
line_split = line.split()
if len(line_split) == 4 and line_split[0]:
# this looks for unique atom IDs in files
lm = re.search(r'\d+$', line_split[0])
# if the string ends in digits m will be a Match object, or None otherwise.
if lm is not None:
symb = re.sub('\d+', '', line_split[0])
# number = lm.group()
# # print('sym and number ' +str(symb) + ' ' + str(number))
# globs = globalvars()
atom = atom3D(symb, [
float(line_split[1]),
float(line_split[2]),
float(line_split[3])
],
name=line_split[0])
elif line_split[0] in list(en_dict.keys()):
atom = atom3D(line_split[0], [
float(line_split[1]),
float(line_split[2]),
float(line_split[3])
])
else:
print('cannot find atom type')
sys.exit()
mol.addAtom(atom)
return mol
def __init__(self, Sym='C', xyz=[0.0, 0.0, 0.0], name=False):
# Element symbol
self.sym = Sym
globs = globalvars()
amass = globs.amass()
if Sym not in amass: # assign default values if not in dictionary
print(("We didn't find the atomic mass of %s in the dictionary. Assigning default value of 12!\n" % (Sym)))
# Atomic mass
self.mass = 12 # default atomic mass
# Atomic number
self.atno = 6 # default atomic number
# Covalent radius
self.rad = 0.75 # default atomic radius
else:
self.mass = amass[Sym][0]
self.atno = amass[Sym][1]
self.rad = amass[Sym][2]
# Flag for freezing in optimization
self.frozen = False
# Flag for atom name
if name:
self.name = name
else:
self.name = Sym
# flag for metal
self.metal = None
# Coordinates
self.__xyz = xyz
def check_top_layer_correct(super_cell, atom_type):
# remove the layer on
# top of the cell if
# wrong material is exposed
trimmed_cell = mol3D()
trimmed_cell.copymol3D(super_cell)
globs = globalvars()
elements = globs.elementsbynum()
print(('chekcing surface for ' + atom_type + '\n'))
if not atom_type in elements:
print("unkown surface type, unable to trim ")
return trimmed_cell
else:
stop_flag = False
counter = 0 # 3 tries max
while not stop_flag:
atom_type_surf = find_all_surface_atoms(
trimmed_cell, tol=1e-3, type_of_atom=atom_type)
top_surf = find_all_surface_atoms(
trimmed_cell, tol=1e-3, type_of_atom=False)
# print("top surf",top_surf)
# print("atom top surf",atom_type_surf)
if set(atom_type_surf) == set(top_surf):
print('match')
stop_flag = True
else:
counter += 1
trimmed_cell = shave_surface_layer(trimmed_cell, 1e-3)
if counter == 3:
print('unable to find target atom in 3 cuts')
stop_flag = True
return trimmed_cell
def ismetal(self):
if self.metal is None:
if self.sym in globalvars().metals():
self.metal = True
else:
self.metal = False
return self.metal
def __init__(self):
## List of atom3D objects
self.atoms = []
## Number of atoms
self.natoms = 0
## Mass of molecule
self.mass = 0
## Size of molecule
self.size = 0
## Charge of molecule
self.charge = 0
## Force field optimization settings
self.ffopt = 'BA'
## Name of molecule
self.name = ''
## Holder for openbabel molecule
self.OBMol = False
## List of connection atoms
self.cat = []
## Denticity
self.denticity = 0
## Identifier
self.ident = ''
## Holder for global variables
self.globs = globalvars()
## Holder for molecular graph
self.graph = []
def ismetal(self):
# OUTPUT
# flag for metal or not
if self.sym in globalvars().metals():
return True
else:
return False
def getMask(self, mask):
globs = globalvars()
elements = globs.elementsbynum()
# check center of mass
ats = []
# loop over entries in mask
for entry in mask:
# check for center of mass
if ('com' in entry.lower()) or ('cm' in entry.lower()):
return self.centermass()
# check for range
elif '-' in entry:
at0 = entry.split('-')[0]
at1 = entry.split('-')[-1]
for i in range(int(at0), int(at1) + 1):
ats.append(i - 1) # python indexing
elif entry in elements:
ats += self.findAtomsbySymbol(entry)
else:
# try to convert to integer
try:
t = int(entry)
ats.append(t - 1)
except:
return self.centermass()
maux = mol3D()
for at in ats:
maux.addAtom(self.getAtom(at))
if maux.natoms == 0:
return self.centermass()
else:
return maux.centermass()
def getmcores():
globs = globalvars()
if globs.custom_path: # test if a custom path is used:
mcores = str(globs.custom_path).rstrip('/') + "/Cores/cores.dict"
else:
mcores = resource_filename(Requirement.parse("molSimplify"),
"molSimplify/Cores/cores.dict")
mcores = readdict(mcores)
return mcores
def getbcores():
globs = globalvars()
if globs.custom_path: # test if a custom path is used:
bcores = str(globs.custom_path).rstrip('/') + "/Bind/bind.dict"
else:
bcores = resource_filename(Requirement.parse("molSimplify"),
"molSimplify/Bind/bind.dict")
bcores = readdict(bcores)
return bcores
def getsubcores():
globs = globalvars()
if globs.custom_path: # test if a custom path is used:
subcores = str(
globs.custom_path).rstrip('/') + "/Substrates/substrates.dict"
else:
subcores = resource_filename(Requirement.parse("molSimplify"),
"molSimplify/Substrates/substrates.dict")
subcores = readdict_sub(subcores)
return subcores
def getslicores():
globs = globalvars()
if globs.custom_path: # test if a custom path is used:
slicores = str(
globs.custom_path).rstrip('/') + "/Ligands/simple_ligands.dict"
else:
slicores = resource_filename(
Requirement.parse("molSimplify"),
"molSimplify/Ligands/simple_ligands.dict")
slicores = readdict(slicores)
return slicores
def mutate(self, newType):
globs = globalvars()
amass = globs.amass()
if newType not in list(amass.keys()):
print(('Error, unknown atom atom type transformation to ' + str(newType)))
print('no changes made')
else:
self.mass = amass[newType][0]
self.atno = amass[newType][1]
self.rad = amass[newType][2]
self.name = newType
self.sym = newType
def get_lig_EN(mol,connection_atoms):
## calculate the maximum abs electronegativity
## difference between connection atom an all
## neighbors
max_EN = 0
globs =globalvars()
for atoms in connection_atoms:
this_atoms_neighbors = mol.getBondedAtomsSmart(atoms)
for bound_atoms in this_atoms_neighbors:
this_EN = float(globs.endict()[mol.getAtom(atoms).symbol()]) - float(globs.endict()[mol.getAtom(bound_atoms).symbol()])
if (abs(this_EN) >= max_EN):
max_EN = this_EN
return max_EN
def convert2mol3D(self):
# initialize again
self.initialize()
# get elements dictionary
elem = globalvars().elementsbynum()
# loop over atoms
for atom in openbabel.OBMolAtomIter(self.OBMol):
# get coordinates
pos = [atom.GetX(), atom.GetY(), atom.GetZ()]
# get atomic symbol
sym = elem[atom.GetAtomicNum() - 1]
# add atom to molecule
self.addAtom(atom3D(sym, [pos[0], pos[1], pos[2]]))
def construct_property_vector(mol, prop, oct=True):
## assigns the value of property
## for atom i (zero index) in mol
## to position i in returned vector
## can be used to create weighted
## graph representations
# oct - bool, if complex is octahedral, will use better bond checks
#allowed_strings = ['electronegativity','nulcear_charge','ident','coord']
allowed_strings = [
'electronegativity', 'nuclear_charge', 'ident', 'topology', 'size'
]
## note that ident just codes every atom as one, this gives
## a purely toplogical index. coord gives the number of
## connecting atom to attom i (similar to Randic index)
if not oct:
print('NOT using octahedral bonding pattern')
globs = globalvars()
prop_dict = dict()
w = numpy.zeros(mol.natoms)
done = False
if not prop in allowed_strings:
print('error, property ' + str(prop) + ' is not a vaild choice')
print(' options are ' + str(allowed_strings))
return False
if prop == 'electronegativity':
prop_dict = globs.endict()
elif prop == 'size':
at_keys = globs.amass().keys()
for keys in at_keys:
values = globs.amass()[keys][2]
prop_dict.update({keys: values})
elif prop == 'nuclear_charge':
at_keys = globs.amass().keys()
for keys in at_keys:
values = globs.amass()[keys][1]
prop_dict.update({keys: values})
elif prop == 'ident':
at_keys = globs.amass().keys()
for keys in at_keys:
prop_dict.update({keys: 1})
elif prop == 'topology':
for i, atoms in enumerate(mol.getAtoms()):
#print('atom # ' + str(i) + " symbol = " + str(atoms.symbol()))
w[i] = len(mol.getBondedAtomsSmart(i, oct=oct))
done = True
if not done:
for i, atoms in enumerate(mol.getAtoms()):
#print('atom # ' + str(i) + " symbol = " + str(atoms.symbol()))
w[i] = prop_dict[atoms.symbol()]
return (w)
def ismetal(self):
""" Identify whether an atom is a metal.
Returns
-------
metal : bool
Bool for whether or not an atom is a metal.
"""
if self.metal is None:
if self.sym in globalvars().metalslist():
self.metal = True
else:
self.metal = False
return self.metal
def get_lig_EN(mol, connection_atoms):
# calculate the maximum abs electronegativity
# difference between connection atom an all
# neighbors
max_EN = 0
globs = globalvars()
for atoms in connection_atoms:
this_atoms_neighbors = mol.getBondedAtomsSmart(atoms)
for bound_atoms in this_atoms_neighbors:
this_EN = float(globs.endict()[mol.getAtom(atoms).symbol(
)]) - float(globs.endict()[mol.getAtom(bound_atoms).symbol()])
if (abs(this_EN) >= max_EN):
max_EN = this_EN
return max_EN
def __init__(self):
globs = globalvars()
self.sanity_is_set = False # flag to indicate if properties
# have been written to this file
self.ANN_is_set = False
self.bl_is_set = False
self.mol_is_set = False
self.sanity = False
self.min_dist = False
self.ANN_flag = False # ANN value has been set?
self.ANN_reason = " not set" # Reason ANN not set
self.ANN_attributes = dict() # placeholder for
# predicted properties
self.dict_bondl = False # stores the ML-dict bond dist
self.mol = False # stores a mol3D representation of the mol.
def getlicores(flip=True):
globs = globalvars()
if globs.custom_path: # test if a custom path is used:
licores = str(globs.custom_path).rstrip('/') + "/Ligands/ligands.dict"
else:
licores = resource_filename(Requirement.parse("molSimplify"),
"molSimplify/Ligands/ligands.dict")
licores = readdict(licores)
if flip:
for ligand in list(licores.keys()):
if len(licores[ligand][2]) == 2 and type(
licores[ligand][2]) == list:
licores[ligand + '_flipped'] = copy.deepcopy(licores[ligand])
licores[ligand + '_flipped'][2].reverse()
return licores
def getsimilar(smi, nmols, dbselect, finger, squery, args):
# get database files
[dbsdf, dbfs] = setupdb(dbselect)
print(('database set up :' + str(dbsdf) + ' || ' + str(dbfs)))
globs = globalvars()
print(('Finding results similar, comparing to ' + smi))
obab = 'babel'
if dbfs and args.dbfs:
com = obab + ' ' + dbfs + ' ' + 'simres.smi -d -xf' + \
finger + ' -s"' + smi + '" -al' + nmols
else:
mybash(obab + ' -isdf ' + dbsdf + ' -osdf -O tmp.sdf -d')
com = obab + ' tmp.sdf simres.smi -xf' + finger + ' -s"' + smi + '"'
# perform search using bash commandline
print('Performing substructure search:')
print(('running: ' + str(com)))
res = mybash(com)
print(('res = ' + str(res)))
print(('number of SMILES returned : ' +
str(mybash('cat simres.smi | wc -l'))))
if os.path.isfile('tmp.sdf'):
os.remove('tmp.sdf')
shutil.copy('simres.smi', 'initial.smi')
if args.dbmaxsmartsmatches:
print('Applying filters: inside get similar')
com = obab + " -ismi simres.smi -osmi -O simres.smi -h --filter " + squery
print(('running: ' + str(com)))
mybash(com)
print(('number of lines in simres.smi: ' +
str(mybash('cat simres.smi | wc -l'))))
# com = obab+" -ismi simres.smi -osmi -O simres.smi -d --filter 'nsmartsmatches<="+args.dbmaxsmartsmatches+"'"
# rint('running: '+ str(com))
# res = mybash(com)
# print('number of lines in simres.smi after dxbsmartmatches: '+str(mybash('cat simres.smi | wc -l')))
# print res
shutil.copy('simres.smi', 'afterfilteringsmarts.smi')
# check output and print error if nothing was found
if ('errors' in res):
ss = 'No matches were found in DB. Log info:\n' + res
print(ss)
return ss, True
else:
return 'simres.smi', False
def grabguivarstc(gui):
globs = globalvars()
# list with arguments
args = dict()
args['-charge'] = gui.etqctch.text()
args['-spin'] = gui.etqctspin.text()
args['-runtyp'] = gui.qctcalc.currentText()
args['-method'] = gui.etqctmethod.text()
args['-basis'] = gui.etqctbasis.text()
args['-dispersion'] = gui.qctsel.currentText()
args['-qoption'] = gui.qceditor.toPlainText()
# extra flag to control duplication prompt
args['-rprompt'] = 'True'
### write input file ###
writeinputc(args, globs.installdir + '/Data/.tcdefinput.inp')
return args
def simple_slope_ann(slope_excitation):
globs = globalvars()
path_to_file = resource_filename(Requirement.parse("molSimplify"),
"molSimplify/python_nn/" + "ms_slope")
#print('path to ANN data: ',path_to_file)
n = simple_network_builder([24, 50, 50], "ms_slope") ## no alpha value
#print(slope_excitation)
slope_excitation, sl_center, sl_shift = excitation_standardizer(
slope_excitation, 'slope')
#print(slope_excitation)
result = n.activate(slope_excitation)
# print('result is ' + str(result))
# print('center is ' + str(sl_center) + ' shift '+ str(sl_shift))
result = (result * sl_shift) + sl_center
#print('result is ' + str(result))
return result
def loadcoord(coord):
globs = globalvars()
# f = open(installdir+'Data/'+coord+'.dat')
if globs.custom_path:
f = globs.custom_path + "/Data/" + coord + ".dat"
else:
f = resource_filename(Requirement.parse("molSimplify"),
"molSimplify/Data/" + coord + ".dat")
f = open(f)
txt = [_f for _f in f.read().splitlines() if _f]
f.close()
b = []
for line in txt:
l = [_f for _f in line.split(None) if _f]
b.append([float(l[0]), float(l[1]), float(l[2])])
return b
def simple_splitting_ann(excitation):
globs = globalvars()
path_to_file = resource_filename(Requirement.parse("molSimplify"),
"molSimplify/python_nn/" + "ms_split")
#print('path to ANN data: ',path_to_file)
n = simple_network_builder([25, 50, 50], "ms_split")
excitation, sp_center, sp_shift = excitation_standardizer(
excitation, 'split')
#print(excitation)
#print('center is ' + str(sp_center))
#print('scale is '+ str(sp_shift))
#print(excitation)
result = n.activate(excitation)
#print('result is ' + str(result))
result = (result * sp_shift) + sp_center
#print('result is ' + str(result))
return result, excitation
def grabguivarsqch(gui):
globs = globalvars()
# list with arguments
args = dict()
args['-charge'] = gui.etqcQch.text()
args['-spin'] = gui.etqcQspin.text()
args['-runtyp'] = gui.qcQcalc.currentText()
args['-basis'] = gui.etqcQbasis.text()
args['-remoption'] = gui.qcQeditor.toPlainText()
args['-exchange'] = gui.etqcQex.text()
args['-correlation'] = gui.etqcQcor.text()
if gui.chQun:
args['-unrestricted'] = '1'
### write input file ###
# extra flag to control duplication prompt
args['-rprompt'] = 'True'
writeinputc(args, globs.installdir + '/Data/.qchdefinput.inp')
return args
def grabguivarsjob(gui):
globs = globalvars()
# list with arguments
args = dict()
args['-jname'] = gui.etjname.text()
args['-memory'] = gui.etjmem.text()
args['-wtime'] = gui.etjwallt.text()
args['-queue'] = gui.etjqueue.text()
args['-gpus'] = gui.etjgpus.text()
args['-cpus'] = gui.etjcpus.text()
args['-modules'] = gui.etjmod.text()
args['-joption'] = gui.etjopt.toPlainText()
args['-jcommand'] = gui.jcomm.toPlainText()
# set prompt option
args['-rprompt'] = 'True'
### write input file ###
writeinputc(args, globs.installdir + '/Data/.jobdefinput.inp')
return args
def __init__(self):
globs = globalvars()
self.sanity_is_set = False # flag to indicate if properties
# have been written to this file
self.ANN_is_set = False
self.bl_is_set = False
self.mol_is_set = False
self.catalysis_is_set = False
self.sanity = False
self.min_dist = False
self.ANN_flag = False # ANN value has been set?
self.ANN_reason = " not set" # Reason ANN not set
self.ANN_attributes = dict() # placeholder for
# predicted properties
self.catalysis_flag = False
self.catalysis_reason = " not activated"
self.dict_bondl = False # stores the ML-dict bond dist
self.mol = False # stores a mol3D representation of the mol.
def loaddata_ts(path):
globs = globalvars()
# loads ML data from ML.dat file and
# store to dictionary
if globs.custom_path: # test if a custom path is used:
fname = str(globs.custom_path).rstrip('/') + path
else:
fname = resource_filename(Requirement.parse("molSimplify"),
"molSimplify" + path)
d = dict()
f = open(fname)
txt = f.read()
lines = [_f for _f in txt.splitlines() if _f]
for line in lines[1:]:
if '#' != line[0]: # skip comments
l = [_f for _f in line.split(None) if _f]
d[(l[0], l[1], l[2], l[3])] = l[4:] # read dictionary
f.close()
return d
def ismetal(self, transition_metals_only=True):
""" Identify whether an atom is a metal.
Parameters
----------
transition_metals_only : bool, optional
Identify only transition metals. Default is true.
Returns
-------
metal : bool
Bool for whether or not an atom is a metal.
"""
if self.metal is None:
if self.sym in globalvars().metalslist(
transition_metals_only=transition_metals_only):
self.metal = True
else:
self.metal = False
return self.metal
def mutate(self, newType='C'):
""" Mutate an element to another element in the atom3D.
Parameters
----------
newType : str, optional
Element name for new element. Default is 'C'.
"""
globs = globalvars()
amass = globs.amass()
if newType not in list(amass.keys()):
print(('Error, unknown atom atom type transformation to ' + str(newType)))
print('no changes made')
else:
self.mass = amass[newType][0]
self.atno = amass[newType][1]
self.rad = amass[newType][2]
self.name = newType
self.sym = newType
def construct_property_vector(mol, prop, oct=True,modifier = False):
## assigns the value of property
## for atom i (zero index) in mol
## to position i in returned vector
## can be used to create weighted
## graph representations
## oct - bool, if complex is octahedral, will use better bond checks
## modifier - dict, used to modify prop vector (e.g. for adding
## ONLY used with ox_nuclear_charge ox or charge)
## {"Fe":2, "Co": 3} etc
allowed_strings = ['electronegativity', 'nuclear_charge', 'ident', 'topology',
'ox_nuclear_charge', 'size', 'vdwrad', 'effective_nuclear_charge']
## note that ident just codes every atom as one, this gives
## a purely toplogical index. coord gives the number of
## connecting atom to attom i (similar to Randic index)
# if not oct:
# print('NOT using octahedral bonding pattern')
globs = globalvars()
prop_dict = dict()
w = numpy.zeros(mol.natoms)
done = False
if not prop in allowed_strings:
print('error, property ' + str(prop) + ' is not a vaild choice')
print(' options are ' + str(allowed_strings))
return False
if prop == 'electronegativity':
prop_dict = globs.endict()
elif prop == 'size':
at_keys = globs.amass().keys()
for keys in at_keys:
values = globs.amass()[keys][2]
prop_dict.update({keys: values})
elif prop == 'nuclear_charge':
at_keys = globs.amass().keys()
for keys in at_keys:
values = globs.amass()[keys][1]
prop_dict.update({keys: values})
elif prop == 'effective_nuclear_charge': #Uses number of valence electrons
if not modifier:
at_keys = globs.amass().keys()
for keys in at_keys:
values = globs.amass()[keys][3]
prop_dict.update({keys: values})
else:
at_keys = globs.amass().keys()
for keys in at_keys:
values = globs.amass()[keys][3]
if keys in modifier.keys():
values += float(modifier[keys])
prop_dict.update({keys: values})
elif prop == 'ox_nuclear_charge':
if not modifier:
print('Error, must give modifier with ox_nuclear_charge')
return False
else:
at_keys = globs.amass().keys()
for keys in at_keys:
values = globs.amass()[keys][1]
if keys in modifier.keys():
values += float(modifier[keys])
prop_dict.update({keys: values})
elif prop == 'ident':
at_keys = globs.amass().keys()
for keys in at_keys:
prop_dict.update({keys: 1})
elif prop == 'topology':
for i, atoms in enumerate(mol.getAtoms()):
# print('atom # ' + str(i) + " symbol = " + str(atoms.symbol()))
w[i] = len(mol.getBondedAtomsSmart(i, oct=oct))
done = True
elif prop == 'vdwrad':
prop_dict = globs.vdwrad()
for i, atoms in enumerate(mol.getAtoms()):
atom_type = atoms.symbol()
if atom_type in globs.metalslist():
w[i] = globs.amass()[atoms.symbol()][2]
else:
w[i] = prop_dict[atoms.symbol()]
done = True
# for keys in at_keys:
# prop_dict.update({keys: 1})
if not done:
for i, atoms in enumerate(mol.getAtoms()):
# print('atom # ' + str(i) + " symbol = " + str(atoms.symbol()))
w[i] = prop_dict[atoms.symbol()]
return (w)
# Written by JP Janet for HJK Group
def write_periodic_mol3d_to_qe(mol,cell_vector,path):
psd = {"Ti":'Ti.pbe-sp-van_ak.UPF','O':'O.pbe-van_ak.UPF','Si':'Si.pbe-n-van.UPF'}
## set global properties
unique_atoms = mol.getAtomTypes()
globs = globalvars()
#print(globs)
## start writing this file:
with open(path,'w') as f:
f.write("&CONTROL\n")
f.write('calculation = "relax" \n')
f.write('prefix = clean\n')
f.write('pseudo_dir = "/opt/espresso-5.1/pseudo"\n')
f.write('outdir = "./"\n')
f.write('wf_collect = .true\n')
f.write('tprnfor = .true.\n')
f.write('restart_mode = "from_scratch"\n')
f.write('nstep = 1000\n')
f.write("/ \n")
with open(path,'a') as f:
f.write("&SYSTEM\n")
f.write("ibrav = 0 \n")
f.write("nat = " + str(mol.natoms) + "\n")
f.write("ntyp = " + str(len(unique_atoms)) + "\n")
f.write("nspin = 1\n")
f.write('occupations = "smearing"\n')
f.write('degauss = 0.01\n')
f.write('ecutwfc = 25.0 \n')
f.write('ecutrho = 250.0 \n')
f.write("/ \n")
with open(path,'a') as f:
f.write("&ELECTRONS\n")
f.write("mixing_beta = 0.4 \n")
f.write("electron_maxstep = 350 \n")
f.write("/ \n")
with open(path,'a') as f:
f.write("&IONS\n")
f.write("ion_dynamics = 'bfgs' \n")
f.write("/ \n")
with open(path,'a') as f:
f.write("CELL_PARAMETERS {angstrom}\n")
for cv in cell_vector:
ss = " ".join(str(e) for e in cv) + "\n"
f.write(ss)
f.write(" \n")
with open(path,'a') as f:
f.write("ATOMIC_SPECIES\n")
for elements in unique_atoms:
ps_info = ".pbe-van_ak.UPF"
m_ps = ".pbe-sp-van_ak.UPF"
if str(elements) in psd.keys():
ps_info = str(psd[str(elements)])
if len(elements) == 1:
f.write(str(elements) + " " + str(globs.amass()[elements][0]) + " " + ps_info + '\n')
else:
f.write(str(elements) + " " + str(globs.amass()[elements][0]) + " " + ps_info + '\n')
with open(path,'a') as f:
pos_list =list()
write_list = list()
f.write("ATOMIC_POSITIONS {angstrom}\n")
for atom in mol.atoms:
xyz = atom.coords()
if atom.frozen:
freeze_vect = [0,0,0]
else:
freeze_vect = [1,1,1]
pos_list.append(xyz[2])
write_list.append((atom.sym,xyz[0],xyz[1],xyz[2],freeze_vect[0],freeze_vect[1],freeze_vect[2]))
sorted_inds = [i[0] for i in sorted(enumerate(pos_list),key=lambda x:x[1])]
for inds in sorted_inds:
f.write("%s %f %f %f %f %f %f\n" % write_list[inds])
# f.write("%s %f %f %f %f %f %f\n" % (atom.sym,xyz[0],xyz[1],xyz[2],freeze_vect[0],freeze_vect[1],freeze_vect[2]))
with open(path,'a') as f:
f.write("K_POINTS {automatic}\n")
f.write("4 4 1 0 0 0\n")