Exemple #1
0
def find_species_by_smiles(rmg_spc: list, smiles: str) -> Molecule:
    """
    for list of rmg species find species by smiles
    :param rmg_spc: list of rmg species list
    :param smiles: (str) species as smiles
    :return: rmg species
    """

    sp1 = Molecule().from_smiles(smiles)
    display(sp1)
    mol = None
    res = sp1.generate_resonance_structures()
    for i, x in enumerate(rmg_spc):
        for s in res:
            if x.is_isomorphic(s):
                print(x.molecule)
                print(x.thermo.comment)
                mol = x
    if mol is None:
        print("couldn't find the species")
    else:
        return mol
Exemple #2
0
    def __init__(self, smiles=[], rmg_species=None):
        """
        A class that holds information for Species object
        """

        assert isinstance(smiles, list)

        self._conformers = None

        if ((len(smiles) != 0) and rmg_species):
            # Provide both a list of smiles and an rmg_species
            assert isinstance(
                rmg_species,
                (rmgpy.molecule.Molecule,
                 rmgpy.species.Species))

            if isinstance(rmg_species, rmgpy.molecule.Molecule):
                rmg_species = RMGSpecies(molecule=[rmg_species])
                try:
                    rmg_species.generate_resonance_structures()
                except:
                    logging.info(
                        "Could not generate resonance structures for this species... Using molecule provided")

            else:
                try:
                    rmg_species.generate_resonance_structures()
                except:
                    logging.info(
                        "Could not generate resonance structures for this species... Using molecule provided")

            smiles_list = []
            for rmg_mol in rmg_species.molecule:
                smiles_list.append(rmg_mol.toSMILES())

            for s in smiles_list:
                if s in smiles:
                    continue
                if not(s in smiles):
                    smiles.append(s)

            assert len(smiles) == len(
                smiles_list), "The list of smiles presented does not match the possible species provided"

            self.smiles = smiles
            self.rmg_species = rmg_species

        elif (rmg_species and (len(smiles) == 0)):
            # RMG species provided, but not smiles

            assert isinstance(
                rmg_species,
                (rmgpy.molecule.Molecule,
                 rmgpy.species.Species))

            if isinstance(rmg_species, rmgpy.molecule.Molecule):
                rmg_species = RMGSpecies(molecule=[rmg_species])
                try:
                    rmg_species.generate_resonance_structures()
                except:
                    logging.info(
                        "Could not generate resonance structures for this species... Using molecule provided")

            else:
                try:
                    rmg_species.generate_resonance_structures()
                except:
                    logging.info(
                        "Could not generate resonance structures for this species... Using molecule provided")

            smiles = []
            for rmg_mol in rmg_species.molecule:
                smiles.append(rmg_mol.toSMILES())

            self.smiles = smiles
            self.rmg_species = rmg_species

        elif ((not rmg_species) and (len(smiles) != 0)):
            # smiles provided but not species

            species_list = []
            for smile in smiles:
                molecule = RMGMolecule(SMILES=smile)
                species_list.append(molecule.generate_resonance_structures())

            if len(smiles) != 1:
                got_one = False
                for s1 in species_list:
                    for s2 in species_list:
                        for m1 in s1:
                            for m2 in s2:
                                if m1.isIsomorphic(m2):
                                    got_one = True
                assert got_one, "SMILESs provided describe different species"

            smiles_list = []
            for mol in species_list[0]:
                smiles_list.append(mol.toSMILES())

            self.smiles = smiles_list
            self.rmg_species = species_list[0]

        else:
            self.smiles = []
            self.rmg_species = rmg_species