Exemplo n.º 1
0
 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))
Exemplo n.º 2
0
def get_mass_ch(target, dctc, dimasses):
    '''
    target may be a compound or a list of compounds.
    If a list ==> returns the sum
    '''
    # initialize
    tot_mass = 0.0
    tot_ch = 0
    # target to list
    target = target2list(target)
    if target is None: return None, None
    # get mass and charge!
    for ctc in target:
        ctc = ctc.split(".")[0]
        if ctc in dctc.keys():
            # generate instance of Molecule
            molecule = Molecule()
            # gts files associated to this ctc
            itc, weight = dctc[ctc]._itcs[0]
            gtsfile = dctc[ctc].gtsfile(itc)
            # isotopic modification
            diso = dctc[ctc]._diso
            if itc in diso.keys(): imod = diso[itc]
            elif "*" in diso.keys(): imod = diso["*"]
            else: imod = None
            # read gts
            molecule.set_from_gts(gtsfile)
            # apply iso
            molecule.apply_imods(imod, dimasses)
            # mass and charge
            tot_mass += float(molecule._mass)
            tot_ch += int(molecule._ch)
        else:
            tot_mass, tot_ch = None, None
    return tot_mass, tot_ch
Exemplo n.º 3
0
      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)]
Exemplo n.º 4
0
def get_masses(target, dctc, dimasses):
    ctc, itc = PN.name2data(target)
    diso = dctc[ctc]._diso
    if itc in diso.keys(): imod = diso[itc]
    elif "*" in diso.keys(): imod = diso["*"]
    else: imod = None
    if imod is None: return None
    gtsTS = dctc[ctc].gtsfile(itc)
    TS = Molecule()
    TS.set_from_gts(gtsTS)
    TS.apply_imods(imod, dimasses)
    masses = list(TS._masses)
    return masses
Exemplo n.º 5
0
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
Exemplo n.º 6
0
 def return_itcdata(self,ctc,itc):
     # generate instance of Molecule
     molecule = Molecule()
     # gts files associated to this ctc
     gtsfile  = self._dctc[ctc].gtsfile(itc)
     # isotopic modification
     diso = self._dctc[ctc]._diso
     if   itc in diso.keys(): imod = diso[itc]
     elif "*" in diso.keys(): imod = diso["*"]
     else                   : imod = None
     # read gts
     molecule.set_from_gts(gtsfile)
     # apply iso
     molecule.apply_imods(imod,self._dimasses)
     # mass, charge, V0
     mass   = float(molecule._mass)
     charge = int(molecule._ch)
     V0     = float(molecule._V0)
     return mass, charge, V0
Exemplo n.º 7
0
 def get_masses_charges(self, dimasses={}):
     for ctc, itcs, ms in self._itcs.values():
         # select first itc
         itc, weight = itcs[0]
         # generate instance of Molecule
         molecule = Molecule()
         # read gts
         gtsfile = self._gtsfile[(ctc, itc)]
         molecule.set_from_gts(gtsfile)
         # isotopic modification
         diso = self._disos[ctc]
         if itc in diso.keys(): imod = diso[itc]
         elif "*" in diso.keys(): imod = diso["*"]
         else: imod = None
         molecule.apply_imods(imod, dimasses)
         # data to save: mass & charge
         mass = float(molecule._mass)
         charge = int(molecule._ch)
         # save data
         self._massch[ctc] = (mass, charge)
Exemplo n.º 8
0
 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