def readfile_xyz(fname):
string = ""
zmat, symbols, masses = ff.read_xyz_zmat(fname)
xcc = intl.zmat2xcc(zmat[0],zmat[1])
# Print more information
ndummy = symbols.count("XX")
natoms = len(symbols)-ndummy
# without dummies
symbols_wo , xcc_wo = fncs.clean_dummies(symbols,xcc=xcc)
symbols_wo , masses_wo = fncs.clean_dummies(symbols,masses=masses)
molecule = Molecule()
molecule.setvar(xcc=xcc_wo,symbols=symbols_wo,masses=masses_wo,ch=0,mtp=1)
molecule.prepare()
molecule.setup()
string += "Molecular formula : %s\n"%molecule._mform
string += "Number of atoms : %i\n"%natoms
string += "Number of dummy atoms : %i\n"%ndummy
string += "Vibrational d.o.f. : %i\n"%molecule._nvdof
string += "\n"
# Cartesian Coordinates
string += "Cartesian coordinates (in Angstrom):\n"
sidx = "%%%si"%len(str(len(symbols)))
at_wo = -1
dwithout = {}
for at,symbol in enumerate(symbols):
xi,yi,zi = [value*pc.ANGSTROM for value in xcc[3*at : 3*at+3]]
mass = masses[at]*pc.AMU
datainline = (sidx%(at+1),symbol,xi,yi,zi,mass)
if symbol != "XX": at_wo += 1; dwithout[at] = at_wo
else: dwithout[at] = None
string += "[%s] %-2s %+12.7f %+12.7f %+12.7f (%7.3f amu)\n"%datainline
string += "\n"
return xcc,zmat,symbols,masses,(dwithout,molecule,natoms,ndummy),string
def gts_data_and_molden(gtsfile):
# read gts and prepare Molecule
molecule = Molecule()
molecule.set_from_gts(gtsfile)
molecule.setup()
# type of PES stationary point?
nimag = numimag(molecule._ccfreqs)
mformu = molecule._mform
# Get ctc and itc
ctc, itc, ext = gtsfile.split("/")[-1].split(".")
# tuple
gts_tuple = (itc, molecule._ch, molecule._mtp, molecule._V0, nimag, mformu,
molecule._pgroup)
# molden file
if not os.path.exists(PN.DIR5): os.mkdir(PN.DIR5)
if is_string_valid(ctc, extra="_"):
molden = PN.get_gtsmolden(ctc, itc)
if not os.path.exists(molden):
print " creating %s" % molden
bmolden = True
write_molden(molden,molecule._xcc,molecule._symbols,\
molecule._ccfreqs,molecule._ccFevecs)
else:
bmolden = False
else:
molden = None
bmolden = False
return ctc, gts_tuple, molden, bmolden
def read_gtsfiles(self, dimasses={}):
# initialize variables
self._lpg = []
self._lV0 = []
self._molecules = []
# get list of gts files
gtsfiles = self.gtsfiles()
if len(gtsfiles) == 0: return
# read and save
for idx, gts in enumerate(gtsfiles):
# no gts file
if not os.path.exists(gts):
self.molecules.append(None)
self._lpg.append(None)
self._lV0.append(None)
continue
# isotopic modification?
itc, weight = self._itcs[idx]
if itc in self._diso.keys(): imods = self._diso[itc]
elif "*" in self._diso.keys(): imods = self._diso["*"]
else: imods = {}
# create molecule
molecule = Molecule()
molecule.set_from_gts(gts)
molecule.apply_imods(imods, dimasses)
molecule.setup()
# save molecule
self._molecules.append(molecule)
# complete CTC data
self._lV0.append(float(molecule._V0))
self._lpg.append(str(molecule._pgroup))
def generate_gts_file(esfile, gtsfile, read_method):
'''
Generate gts file (and molden & frozen files)
from given electronic structure (ES) file;
The ES file is read using read_method
'''
# Extra files that (maybe) will be generated
file_frozen = gtsfile + ".frozen" # only if any frozen atom
file_molden = gtsfile + ".molden" # molden file
# read file
xcc, atonums, ch, mtp, E, gcc, Fcc, masses, clevel = read_method(
PN.UFOLDER + esfile)[0:9]
# clevel is not really clevel when using read_gtsfile as read_method
if read_method == read_gtsfile: clevel = ""
# symbols and atonums
symbols, atonums = fncs.symbols_and_atonums(atonums)
# is masses available?
if masses is None or len(masses) == 0 or sum(masses) == 0.0:
masses = atonums2masses(atonums)
# is Fcc available?
if len(atonums) != 1 and (Fcc is None or len(Fcc) == 0):
status = -1
cache = None
molec = None
else:
# Generate Molecule instance
molec = Molecule()
molec.setvar(xcc=xcc, gcc=gcc, Fcc=Fcc)
molec.setvar(atonums=atonums, masses=masses)
molec.setvar(ch=ch, mtp=mtp, V0=E)
molec.prepare()
# Deal with frozen atoms [atom i is frozen if Fij=0 forall j)
frozen_xcc, frozen_symbols = molec.remove_frozen()
# Calculate point group (must be done after remove frozen)
molec.calc_pgroup(force=True)
# Deal with Hessian
molec.setup()
# write gts file
molec.genfile_gts(PN.DIR1 + gtsfile, level=clevel)
status = 1
# write frozen (if there are frozen atoms)
RW.write_frozen(PN.DIR1 + file_frozen, frozen_xcc, frozen_symbols)
# write molden file
idata = (PN.DIR1 + file_molden, molec._xcc, molec._symbols,
molec._ccfreqs, molec._ccFevecs)
write_molden(*idata)
# save to cache
nimag = int(fncs.numimag(molec._ccfreqs))
pgroup = str(molec._pgroup)
mform = str(molec._mform)
cache = [esfile, gtsfile, E, ch, mtp, nimag, mform, pgroup]
# delete variable, just in case
del xcc, gcc, Fcc
del symbols, atonums, masses
del molec
# return
return status, cache
def get_ts_ifreq(xcc, gcc, Fcc, E, tcommon):
ch, mtp, atonums, masses, mu = tcommon
ts = Molecule()
ts.setvar(xcc=xcc, gcc=gcc, Fcc=Fcc)
ts.setvar(atonums=atonums, masses=masses)
ts.setvar(ch=ch, mtp=mtp, V0=E)
ts.prepare()
ts.setup(mu)
ts.ana_freqs()
[(ifreq, evec)] = ts._ccimag
return ifreq, mu
def prepare_qrc(self,dchem,dctc,dimasses):
'''
also modifies self._qrccase:
self._qrccase == 0: everything is ok / qrc is not activated
self._qrccase == 1: no reaction is associated to the TS
self._qrccase == 2: reaction is not unimolecular
self._qrccase == 3: ctc for reactant not defined
self._qrccase == 4: gts file for reactant not found
self._qrccase == 5: unable to get energy of products
'''
# Will qrc be used?
if self._qrc is None: return
if self._reaction is None: self._qrccase = 1; return
# assert unimolecular
reactants = dchem[self._reaction][0]
products = dchem[self._reaction][2]
if self._exorgic:
if len(reactants) != 1: self._qrccase = 2; return
self._qrcname = reactants[0]
else:
if len(products ) != 1: self._qrccase = 2; return
self._qrcname = products[0]
if self._V1P is None: self._qrccase = 5; return
#---------------------------------#
# Now, generate Molecule instance #
#---------------------------------#
ctc, itc = PN.name2data(self._qrcname)
if ctc not in dctc.keys(): self._qrccase = 3; return
cluster = dctc[ctc]
if itc is None: itc = cluster._itcs[0][0]
if itc in cluster._diso.keys(): imods = cluster._diso[itc]
elif "*" in cluster._diso.keys(): imods = cluster._diso["*"]
else : imods = None
gtsfile = dctc[ctc].gtsfile(itc)
if not os.path.exists(gtsfile): self._qrccase = 4; return
# Generate Molecule instance
molecule = Molecule()
molecule.set_from_gts(gtsfile)
# apply fscal
molecule.setvar(fscal=cluster._fscal)
# apply isotopic masses
if imods is not None:
molecule.apply_imods(imods,dimasses)
# calculate frequencies
molecule.setup()
#------------------------------#
# Prepare list of QRC energies #
#------------------------------#
mode , nE = self._qrc
self._qrcafreq = molecule._ccfreqs[mode]
self._qrclE = [n*HBAR*self._qrcafreq for n in range(nE)]
def gts2molecule(gtsfile):
# name of file (without path to folder)
gtsfile_name = gtsname(gtsfile, "name")
gtsfile_full = gtsname(gtsfile, "full")
# Get ctc and itc
ctc, itc, ext = gtsfile_name.split(".")
# read gts and prepare Molecule
if not os.path.exists(gtsfile_full): return None, (ctc, itc)
molecule = Molecule()
molecule.set_from_gts(gtsfile_full)
molecule.setup()
# return data
return molecule, (ctc, itc)
def log_data(log, inpvars, fscal, folder="./"):
if inpvars._ts: fmode = -1
else: fmode = 0
# name from log
name = log.split(".")[-2]
point = TorPESpoint(name, inpvars._tlimit)
# Read log file
logdata = gau.read_gaussian_log(folder + log)
# prepare data
logdata = prepare_log_data(logdata)
ch, mtp, V0, symbols, symbols_wo, xcc_wo, gcc_wo, Fcc_wo, lzmat, zmatvals = logdata
# string for fccards
string_fccards = gau.get_fccards_string(gcc_wo, Fcc_wo)
# generate Molecule instance
molecule = Molecule()
molecule.setvar(xcc=xcc_wo, Fcc=Fcc_wo, V0=V0)
molecule.setvar(fscal=fscal)
molecule.setvar(symbols=symbols_wo)
molecule.setvar(ch=ch, mtp=mtp)
molecule.prepare()
molecule.setup()
molecule.ana_freqs()
# Calculate partition functions for the temperatures
qtot, V1, qis = molecule.calc_pfns(inpvars._temps, fmode=fmode)
qtr, qrot, qvib, qele = qis
Qrv = np.array([xx * yy for xx, yy in zip(qrot, qvib)])
# Calculate partition functions at target temperature
qtot, V1, qis = molecule.calc_pfns([inpvars._temp], fmode=fmode)
# remove rotsigma for Gibbs
gibbs = V1 - pc.KB * inpvars._temp * np.log(qtot[0] * molecule._rotsigma)
# imaginary frequency
if len(molecule._ccimag) == 0: ifreq = None
elif len(molecule._ccimag) == 1:
ifreq = [ifreq for ifreq, ivec in list(molecule._ccimag)][0]
else:
ifreq = None
# weight for this conformer
if inpvars._enantio and molecule._pgroup.lower() == "c1": weight = 2
else: weight = 1
# pack and return data
conf_tuple = (point, V0, V1, gibbs, weight, Qrv, ifreq, lzmat, zmatvals,
log)
return conf_tuple, symbols, string_fccards
def calc_fwdir(gtsfile):
'''
* calculates which internal coordinate changes the most
in the transition state
* it also gives the sign of the variation in the forward
direction of the MEP
'''
if (gtsfile is None) or (not os.path.exists(gtsfile)): return (None, None)
# Generate Molecule from gts file
molecule = Molecule()
molecule.set_from_gts(gtsfile)
# setup (with frequency calculation)
molecule.setup()
ic, fwsign = molecule.get_imag_main_dir()
# return data
return (ic2string(ic), fwsign)
def check_ics_gtsfile(gtsfile,ics):
# number of internal coordinates
nics = count_ics(ics)
# read gts and prepare Molecule
molecule = Molecule()
molecule.set_from_gts(gtsfile)
molecule.setup()
# number of vibrational degrees of freedom
nvdof = len(molecule._ccfreqs)
# enough internal coordinates
if nics < nvdof: return False, nvdof
# calc ic-freqs
molecule.icfreqs(ics)
# comparison
valid = same_freqs(molecule._ccfreqs,molecule._icfreqs)
return valid, nvdof
def molecule_prep(gts, eslist=[], tiso=None, fscal=1.0):
# generate instance of Molecule
molecule = Molecule()
# read gts
molecule.set_from_gts(gts)
# masses
if tiso is not None:
imods, imasses = tiso
molecule.apply_imods(imods, imasses)
# electronic states
molecule.setvar(les=eslist)
# set frequency scaling
molecule.setvar(fscal=fscal)
# setup
molecule.setup()
molecule.ana_freqs("cc")
return molecule
def get_rotcons(lzmat,zmatvals,symbols):
xcc = zmat2xcc(lzmat,zmatvals)
# correct symbols (just in case)
symbols,atonums = fncs.symbols_and_atonums(symbols)
# Data without dummies
symbols_wo,xcc_wo = fncs.clean_dummies(symbols,xcc=list(xcc))
# generate Molecule instance
molecule = Molecule()
molecule.setvar(xcc=xcc_wo)
molecule.setvar(symbols=symbols_wo)
molecule.setvar(V0=0)
molecule.setvar(ch=0,mtp=1)
molecule.prepare()
molecule.setup()
# in freq units (GHz)
imoms = [Ii * pc.KG*pc.METER**2 for Ii in molecule._imoms]
rotcons = [pc.H_SI/(Ii*8*np.pi**2)/1E9 for Ii in imoms]
return rotcons
def calc_fwdir(target):
'''
* calculates which internal coordinate changes the most
in the transition state
* it also gives the sign of the variation in the forward
direction of the MEP
'''
# list of gts files associated with target
gtsfiles = [PN.DIR1+gts for gts in os.listdir(PN.DIR1)\
if gts.endswith(".gts") and gts.startswith(target)]
# Generate Molecule from gts file
molecule = Molecule()
molecule.set_from_gts(gtsfiles[0])
# setup (with frequency calculation)
molecule.setup()
ic, fwsign = molecule.get_imag_main_dir()
# return data
return (ic2string(ic), fwsign)
def get_imag_freq(log, fscal):
try:
# Read log file
logdata = gau.read_gaussian_log(log)
logdata = prepare_log_data(logdata)
ch, mtp, V0, symbols, symbols_wo, xcc_wo, gcc_wo, Fcc_wo, lzmat, zmatvals = logdata
# diagonalize Fcc
molecule = Molecule()
molecule.setvar(xcc=xcc_wo, Fcc=Fcc_wo, V0=V0)
molecule.setvar(fscal=fscal)
molecule.setvar(symbols=symbols_wo)
molecule.setvar(ch=ch, mtp=mtp)
molecule.prepare()
molecule.setup()
molecule.ana_freqs()
ifreq = molecule._ccimag[0][0]
except:
ifreq = None
# return
return ifreq
def prepare_qrc(self, dchem, dctc, dimasses):
# Will qrc be used?
if self._reaction is None: return
if self._qrc is None: return
reactants = dchem[self._reaction][0]
if len(reactants) != 1: return
# generate Molecule instance
reactant = reactants[0]
ctc, itc = PN.name2data(reactant)
if ctc not in dctc.keys(): return
cluster = dctc[ctc]
if itc is None: itc = cluster._itcs[0][0]
if itc in cluster._diso.keys(): imods = cluster._diso[itc]
elif "*" in cluster._diso.keys(): imods = cluster._diso["*"]
else: imods = None
gtsfile = PN.get_gts(ctc, itc)
if not os.path.exists(gtsfile): raise Exception
# Generate Molecule instance
reactant = Molecule()
reactant.set_from_gts(gtsfile)
# apply fscal
reactant.set_fscal(fscal=cluster._fscal)
# apply isotopic masses
if imods is not None:
reactant.apply_imods(imods, dimasses)
# calculate frequencies
reactant.setup()
mode, nE = self._qrc
Vadi = reactant._V0
for idx, afreq in enumerate(reactant._ccfreqs):
if idx == mode: continue
Vadi += afreq2zpe(afreq)
afreq = reactant._ccfreqs[mode]
listE = [
Vadi + (n + 0.5) * HBAR * afreq - self._eref for n in range(nE)
]
self._qrclE = listE
self._qrcafreq = afreq
def set_from_gtsfiles(self, gtsfiles):
'''
returns status, string
status = -1 ==> inconsistences between conformers
status = 0 ==> one or several gts files do not exist
status = 1 ==> everything is ok
string is "" except for status = -1
'''
self._itcs = []
self._lpg = []
lch = []
lmtp = []
limag = []
lmformu = []
self._lV0 = []
if len(gtsfiles) == 0: return 0, None
# save lists
for gts in gtsfiles:
ctc, itc, ext = gts.split("/")[-1].split(".")
self._root = ctc
if not os.path.exists(gts): return 0, ""
molecule = Molecule()
molecule.set_from_gts(gts)
molecule.setup()
# save molecule
self._molecules.append(molecule)
# complete CTC data
self._lV0.append(float(molecule._V0))
self._lpg.append(str(molecule._pgroup))
self._itcs.append((itc, pgroup2weight(molecule._pgroup)))
# save some special data of this gts
lch.append(int(molecule._ch))
lmtp.append(int(molecule._mtp))
limag.append(int(numimag(molecule._ccfreqs)))
lmformu.append(str(molecule._mform))
# check
len1 = len(list(set(lch)))
len2 = len(list(set(lmtp)))
len3 = len(list(set(limag)))
len4 = len(list(set(lmformu)))
if len1 * len2 * len3 * len4 != 1:
# table head and division
ml1 = max([len(name) for name in lmformu] + [7])
ml2 = max([len(name) for name in gtsfiles] + [10])
line_format = " %%-%is | %%-%is | %%-%is | %%-%is | %%-%is | %%-%is " % (
5, 6, 3, 7, ml1, ml2)
thead = line_format % ("itc", "charge", "mtp", "n.imag.",
"m.form.", "gts file")
tdivi = "-" * len(thead)
# start string
string = "Main properties of each conformer in '%s'\n" % self._ctc
string += " " + tdivi + "\n"
string += " " + thead + "\n"
string += " " + tdivi + "\n"
for idx, (itc, weight) in enumerate(self._itcs):
col1 = itc
col2 = "%i" % lch[idx]
col3 = "%i" % lmtp[idx]
col4 = "%i" % limag[idx]
col5 = lmformu[idx]
col6 = gtsfiles[idx]
ldata = (col1, col2, col3, col4, col5, col6)
string += " " + line_format % ldata + "\n"
string += " " + tdivi + "\n"
return -1, string
else:
self._mformu = lmformu[0]
self._ch = lch[0]
self._mtp = lmtp[0]
self._type = limag[0]
self._V0 = min(self._lV0)
self._es = [(self._mtp, 0.0)]
return 1, ""
def deal_with_folder(folder, dtrack, dctc):
'''
deal with an electronic structure (es) file of a subfolder inside UDATA/
'''
print(" - Reading files in: %s" % (PN.UFOLDER + folder))
# Get CTC
ctc = folder[:-1]
# Check CTC name
if not fncs.is_string_valid(ctc, extra="_"):
print(" '%s' is an invalid name for a CTC!\n" % ctc)
WRONG[1] = True
return dtrack, dctc
# Files for each conformer of the CTC
esfiles = sorted([folder+esfile for esfile in os.listdir(PN.UFOLDER+folder) \
if esfile.split(".")[-1].lower() in EXTENSIONS])
if len(esfiles) == 0:
print(" empty folder...\n")
WRONG[2] = True
return dtrack, dctc
# initialize CTC
CTC = ClusterConf(ctc)
ctc_vars = None
# GTS generation
count = 0
cache = []
remove = False
for idx, esfile in enumerate(esfiles):
# previously assignated?
gtsfile = dtrack.get(esfile, None)
if gtsfile is not None and os.path.exists(PN.DIR1 + gtsfile):
# read file
print(" %s [gts exists: %s]" % (esfile, PN.DIR1 + gtsfile))
molecule = Molecule()
molecule.set_from_gts(PN.DIR1 + gtsfile)
molecule.setup()
status = 2
# add data to cache
V0 = molecule._V0
ch = molecule._ch
mtp = molecule._mtp
nimag = int(fncs.numimag(molecule._ccfreqs))
mform = molecule._mform
pgroup = molecule._pgroup
cache_i = [esfile, gtsfile, V0, ch, mtp, nimag, mform, pgroup]
else:
prov_gts, count = temporal_gtsname(ctc, count)
status, cache_i = userfile_to_gtsfile(esfile, prov_gts)
# save cache_i
cache.append(cache_i)
# use first conformer to update ctc_vars
if ctc_vars is None: ctc_vars = cache_i[3:7]
# Check reading and consistence within CTC
if status == 0:
print(" %s [reading failed]" % esfile)
print(" -- STOPPED --")
WRONG[3], remove = True, True
elif status == -1:
print(" %s [Fcc NOT found] " % esfile)
print(" -- STOPPED --")
WRONG[4], remove = True, True
elif ctc_vars != cache_i[3:7]:
print(" %s [inconsistence found] " % esfile)
print(" -- STOPPED --")
WRONG[5], remove = True, True
print_table_ufiles(cache)
elif ctc_vars[2] not in (0, 1):
print(" %s [unexpected number of imag. freqs.] " % esfile)
print(" -- STOPPED --")
WRONG[6], remove = True, True
print_table_ufiles(cache)
elif status == 1:
print(" %s [ok] " % esfile)
# sth wrong so we have to remove?
if remove: break
print()
# Remove files if sth wrong
if remove:
remove_provisionals([cache_i[1] for cache_i in cache])
return dtrack, dctc
# sort cache by energy
cache.sort(key=lambda x: x[2])
# already in dctc
if ctc in dctc: CTC0 = dctc.pop(ctc)
else: CTC0 = None
# Update CTC instance
CTC.setvar("ch", ctc_vars[0], "int")
CTC.setvar("mtp", ctc_vars[1], "int")
CTC.setvar("type", ctc_vars[2], "int")
CTC.setvar("mformu", ctc_vars[3], "str")
CTC._es = [(ctc_vars[1], 0.0)]
# Rename gtsfiles
itc = 0
for idx, cache_i in enumerate(cache):
prov_gts = cache_i[1]
if is_provisional(prov_gts):
new_gts, itc = rename_files(ctc, prov_gts, itc)
itc_i = itc
# update dtrack
dtrack[cache_i[0]] = new_gts
# update gtsfile in cache
cache[idx][1] = new_gts
else:
itc_i = prov_gts.split(".")[-2]
# weight
weight = 1
if CTC0 is not None: weight = max(CTC0.get_weight(itc_i), weight)
# update CTC
CTC.add_itc(itc_i, cache_i[2], cache_i[7], weight)
CTC.find_minV0()
# update with info of CTC0
if CTC0 is not None:
CTC._es = CTC0._es
CTC._fscal = CTC0._fscal
CTC._dics = CTC0._dics
CTC._dicsfw = CTC0._dicsfw
CTC._dicsbw = CTC0._dicsbw
CTC._diso = CTC0._diso
CTC._anh = CTC0._anh
# update dctc
dctc[ctc] = CTC
# Print info of this CTC
print_ctc_info(CTC)
# Delete cache
del cache
# Return data
return dtrack, dctc
def path2vadi(tcommon,drst,Eref=None,ics=None,boolint=False,lowfq={},freqscal=1.0,icsbw=None,icsfw=None,symmetry=None):
'''
lowfq: in case of imaginary frequencies
'''
# boolint as boolean
if boolint in [False,"no","No","n","N",None]: boolint = False
elif boolint in [True,"yes","YES","y","Y"] : boolint = True
# check there are internal coordinates if required
if boolint and ics in [None,False,[]]: raise Exc.NoICS(Exception)
# expand data in tcommon
ch,mtp,atnums,masses,mu = tcommon
# Sorted labels (by s)
slabels = sd.sorted_points(drst,hess=True)
# Reference energy
if Eref is None: lbw, lfw, sbw, sfw, Eref, Efw = sd.rstlimits(drst)
# Independent variable
data_x = [drst[label][0] for label in slabels]
# mep energy (relative value)
listV0 = [drst[label][1]-Eref for label in slabels]
# Initializing data
lcc_tzpe, lcc_frqs, lcc_Vadi = [], [], []
lic_tzpe, lic_frqs, lic_Vadi = [], [], []
dMols = {}
# Updating data
for label in slabels:
# data in drst
s_i, E_i, xms_i,gms_i,Fms_i,v0_i,v1_i,t_i = drst[label]
# project gradient
if s_i == 0.0: bool_pg = False
else : bool_pg = True
# lowfq
if s_i == 0.0: dlowfq = {}
elif s_i < 0.0: dlowfq = lowfq.get("bw",{})
elif s_i > 0.0: dlowfq = lowfq.get("fw",{})
# mass-scaled --> Cartesian coords
xcc = fncs.ms2cc_x(xms_i,masses,mu)
gcc = fncs.ms2cc_g(gms_i,masses,mu)
Fcc = fncs.ms2cc_F(Fms_i,masses,mu)
# create Molecule instance
mol = Molecule()
mol.setvar(xcc=xcc,gcc=gcc,Fcc=Fcc)
mol.setvar(atonums=atnums,masses=masses)
mol.setvar(ch=ch,mtp=mtp,V0=E_i)
mol.setvar(fscal=freqscal)
if symmetry is not None:
mol.setvar(pgroup=symmetry[0])
mol.setvar(rotsigma=symmetry[1])
mol.prepare()
mol.setup(mu,projgrad=bool_pg)
mol.clean_freqs("cc") # it may be needed with orca
mol.deal_lowfq(dlowfq,"cc") # deal with low frequencies
mol.ana_freqs("cc") # calculate zpe
# append data
lcc_tzpe.append(float(mol._cczpe) )
lcc_Vadi.append(mol._ccV1 - Eref )
lcc_frqs.append(list(mol._ccfreqs))
# internal coordinates
if boolint:
if s_i < 0.0 and icsbw is not None: mol.icfreqs(icsbw,bool_pg)
elif s_i > 0.0 and icsfw is not None: mol.icfreqs(icsfw,bool_pg)
else : mol.icfreqs(ics ,bool_pg)
mol.deal_lowfq(dlowfq,"ic")
mol.ana_freqs("ic")
# append data
lic_tzpe.append(float(mol._iczpe) )
lic_Vadi.append(mol._icV1 - Eref )
lic_frqs.append(list(mol._icfreqs))
# save instance
dMols[label] = (s_i,mol)
# package data
tuple_cc = (data_x,lcc_frqs,lcc_tzpe)
tuple_ic = (data_x,lic_frqs,lic_tzpe)
# Generate splines
Vadi_cc = VadiSpline(data_x,lcc_Vadi)
if boolint: Vadi_ic = VadiSpline(data_x,lic_Vadi)
else : Vadi_ic = None
# Return data
return dMols, Vadi_cc, Vadi_ic, tuple_cc, tuple_ic, listV0
def obtain_mep(target, gtsTS, pathvars, tsoftware, TMP):
ctc, itc = PN.name2data(target)
# create folder now and not in the parallel process
if not os.path.exists(TMP):
try:
os.mkdir(TMP)
except:
pass
# Files
rstfile = PN.get_rst(ctc, itc)
xyzfile = PN.get_rstxyz(ctc, itc)
# print
software, tes = tsoftware
fncs.print_string(PS.smep_init(target,software,pathvars._paral,pathvars.tuple_first(),\
pathvars.tuple_sdbw(),pathvars.tuple_sdfw()),4)
fncs.print_string(PS.smep_ff(TMP, PN.DIR4, PN.DIR5, rstfile, xyzfile), 4)
# read rst
try:
tpath2, tcommon2, drst = ff.read_rst(rstfile)
except:
exception = Exc.RstReadProblem(Exception)
exception._var = rstfile
raise exception
fncs.print_string(PS.smep_rst(rstfile, drst), 4)
# correct MEP direction?
if TSLABEL in drst.keys():
ii_s, ii_V, ii_x, ii_g, ii_F, ii_v0, ii_v1, ii_t = drst[TSLABEL]
ii_ic, ii_sign = pathvars._fwdir
if not intl.ics_correctdir(ii_x, ii_v0, ii_ic, ii_sign, tcommon2[3],
tcommon2[4]):
fncs.print_string(
"'fwdir' variable differs from MEP direction in rst file!", 4)
fncs.print_string("* modifying rst internal dictionary...", 8)
new_drst = {}
for key in drst.keys():
ii_s, ii_V, ii_x, ii_g, ii_F, ii_v0, ii_v1, ii_t = drst[key]
ii_s = -ii_s
if ii_v0 is not None: ii_v0 = [-ii for ii in ii_v0]
if ii_v1 is not None: ii_v1 = [-ii for ii in ii_v1]
if "bw" in key: newkey = key.replace("bw", "fw")
else: newkey = key.replace("fw", "bw")
new_drst[newkey] = (ii_s, ii_V, ii_x, ii_g, ii_F, ii_v0, ii_v1,
ii_t)
drst = new_drst
del new_drst
fncs.print_string("* rewriting rst file...", 8)
ff.write_rst(rstfile, tpath2, tcommon2, drst)
# Extension of MEP in rst is bigger
if drst != {}:
lbw, lfw, sbw, sfw, V0bw, V0fw = sd.rstlimits(drst)
pathvars._sbw = min(pathvars._sbw, sbw)
pathvars._sfw = max(pathvars._sfw, sfw)
# Read gts
ts = Molecule()
ts.set_from_gts(gtsTS)
# scaling of frequencies
ts.setvar(fscal=pathvars._freqscal)
# apply iso mod
if pathvars._masses is not None: ts.mod_masses(pathvars._masses)
# setup
ts.setup(mu=pathvars._mu)
ts.ana_freqs(case="cc")
fncs.print_string(PS.smep_ts(ts), 4)
tcommon = (ts._ch, ts._mtp, ts._atnums, ts._masses, ts._mu)
compare_tpath(pathvars.tuple_rst(), tpath2, rstfile)
compare_tcommon(tcommon, tcommon2, rstfile)
# data for single-point calculation
frozen = RW.read_frozen(gtsTS + ".frozen")
oniom_layers = (list(pathvars._oniomh), list(pathvars._oniomm),
list(pathvars._onioml))
spc_args = (tes, TMP, False, frozen, oniom_layers)
spc_fnc = get_spc_fnc(software)
#------------#
# First step #
#------------#
print("")
fncs.print_string("Performing first step of MEP...", 4)
print("")
inputvars = (ts._xcc,ts._gcc,ts._Fcc,ts._symbols,ts._masses,pathvars.tuple_first(),\
spc_fnc,spc_args,drst,pathvars._paral)
(xms, gms, Fms), (v0, v1), (xms_bw, xms_fw) = sd.mep_first(*inputvars)
s1bw = -float(pathvars._ds)
s1fw = +float(pathvars._ds)
# oniom layers?
oniom_ok = pathvars.isONIOMok(ts._natoms, software)
layers = pathvars.get_layers()
fncs.print_string(PS.smep_oniom(layers, ts._natoms, software), 8)
if not oniom_ok: raise Exc.WrongONIOMlayers(Exception)
# Print MEP info
fncs.print_string(PS.smep_first(ts._symbols, ts._xms, v0, v1, layers), 8)
# write rst file
if TSLABEL not in drst.keys():
drst[TSLABEL] = (0.0, ts._V0, xms, gms, Fms, v0, v1, None)
ff.write_rst_head(rstfile, pathvars.tuple_rst(), tcommon)
ff.write_rst_add(rstfile, TSLABEL, drst[TSLABEL])
#------------#
# The MEP #
#------------#
print("")
fncs.print_string("Calculating MEP...", 4)
print("")
fncs.print_string(
"* REMEMBER: data of each step will be saved at %s" % rstfile, 7)
fncs.print_string(" a summary will be printed when finished", 7)
# preparation
xcc_bw = fncs.ms2cc_x(xms_bw, ts._masses, pathvars._mu)
xcc_fw = fncs.ms2cc_x(xms_fw, ts._masses, pathvars._mu)
args_bw = ((xcc_bw,s1bw,ts._symbols,ts._masses,pathvars.tuple_sdbw(),\
spc_fnc,spc_args,drst,ts._Fms,"bw%i") , rstfile,drst)
args_fw = ((xcc_fw,s1fw,ts._symbols,ts._masses,pathvars.tuple_sdfw(),\
spc_fnc,spc_args,drst,ts._Fms,"fw%i") , rstfile,drst)
# execution
if pathvars._paral:
import multiprocessing
pool = multiprocessing.Pool()
out = [
pool.apply_async(onesidemep, args=args)
for args in [args_bw, args_fw]
]
drstbw, pointsbw, convbw = out[0].get()
drstfw, pointsfw, convfw = out[1].get()
del out
# clean up pool
pool.close()
pool.join()
else:
drstbw, pointsbw, convbw = onesidemep(*args_bw)
drstfw, pointsfw, convfw = onesidemep(*args_fw)
# update drst
fncs.print_string("* FINISHED!", 7)
print("")
drst.update(drstbw)
drst.update(drstfw)
points = [TSLABEL] + pointsbw + pointsfw
# empty variables
del drstbw, pointsbw
del drstfw, pointsfw
# Rewrite rst
fncs.print_string("* (re)writing file: %s (sorted version)" % rstfile, 7)
ff.write_rst(rstfile, pathvars.tuple_rst(), tcommon, drst)
print("")
## restrict drst to points
#if restrict: drst = {point:drst[point] for point in points}
# Get limits of rst
lbw, lfw, sbw, sfw, V0bw, V0fw = sd.rstlimits(drst)
convbw, l1bw, l2bw = convbw
convfw, l1fw, l2fw = convfw
if l1bw + l1fw != "":
fncs.print_string("* MEP convergence criteria (epse and epsg):", 7)
print("")
if l1bw != "": fncs.print_string("%s" % l1bw, 9)
if l2bw != "": fncs.print_string("%s" % l2bw, 9)
if l1fw != "": fncs.print_string("%s" % l1fw, 9)
if l2fw != "": fncs.print_string("%s" % l2fw, 9)
print("")
if convbw:
pathvars.converged_in_bw(sbw)
fncs.print_string("CRITERIA FULFILLED in backward dir.!", 9)
fncs.print_string("path stopped at sbw = %+8.4f bohr" % sbw, 9)
print("")
if convfw:
pathvars.converged_in_fw(sfw)
fncs.print_string("CRITERIA FULFILLED in forward dir.!", 9)
fncs.print_string("path stopped at sfw = %+8.4f bohr" % sfw, 9)
print("")
# write molden file
fncs.print_string("* writing file: %s" % xyzfile, 7)
ff.rst2xyz(rstfile, xyzfile, onlyhess=True)
print("")
# reference energy
if pathvars._eref is None: pathvars._eref = V0bw
# return data
return tcommon, drst, pathvars