Example #1
0
def mset_to_smiles(max_atoms, filename):
    mset = MSet()
    try:
        mset.load(filename)
    except json.JSONDecodeError:
        print("json decode error")
        return (None, None)
    if mset.n_atoms > max_atoms:
        return (None, None)
    geom = mset.get_min_geom
    try:
        charges = [
            float(atom.labels['wB97X-D.6-311g**.charges'])
            for atom in geom.atoms
        ]
    except KeyError:
        charges = [
            float(atom.labels['wb97x-d.6-311gss.mulliken_charges'])
            for atom in geom.atoms
        ]
    charge = sum(charges) / len(charges)
    try:
        mol = xyz2mol(geom.at_nums, [atom.xyz for atom in geom.atoms], charge)
    except Chem.AtomValenceException:
        print("atom valence exception")
        return (None, None)
    smiles = Chem.MolToSmiles(mol, isomericSmiles=False)
    m = Chem.MolFromSmiles(smiles)
    smiles = Chem.MolToSmiles(m, isomericSmiles=False)
    mset.identifiers.update({"smiles": smiles})
    mset.save(filename)
    return (filename, smiles)
Example #2
0
def mset_to_smiles(filename):
    mset = MSet()
    try:
        mset.load(filename)
    except json.JSONDecodeError:
        print("json decode error")
        return None
    geom = get_min_geom(mset.geometries)
    charge = 0
    try:
        smiles = geom_to_smiles(geom, charge)
    except:
        return None
    mset.identifiers.update({"smiles": smiles})
    mset.save(filename)
    return filename
Example #3
0
def mset_to_smiles(filename):
    mset = MSet()
    mset.load(filename)
    geom = mset.get_min_geom
    try:
        cm5_charges = [
            float(atom.labels['wb97x_dz.cm5_charges']) for atom in geom.atoms
        ]
        hirshfeld_charges = [
            float(atom.labels['wb97x_dz.hirshfeld_charges'])
            for atom in geom.atoms
        ]
        charge = ((sum(cm5_charges) / len(cm5_charges)) +
                  (sum(hirshfeld_charges) / len(hirshfeld_charges))) / 2
    except:
        charge = 0
    try:
        smiles = geom_to_smiles(geom, charge)
    except:
        return None
    mset.identifiers.update({"smiles": smiles})
    mset.save(filename)
    return filename
Example #4
0
        else:
            opt_natoms[len(opt_mol_data['atoms'])] = [opt_mol]
    with open(
            "/mnt/sdb1/jeherr/chemspider_data/chno_msets/chno_opt_natoms.txt",
            "w") as f:
        json.dump(opt_natoms, f)

opt_matches = {}
meta_matches = {}
for n_atoms, meta_mols in meta_natoms.items():
    opt_mols = opt_natoms[n_atoms]
    opt_msets = []
    meta_msets = []
    for opt_mol in opt_mols:
        opt_mset = MoleculeSet()
        opt_mset.load(opt_mol)
        opt_mset.filename = opt_mol
        opt_msets.append(opt_mset)
    for meta_mol in meta_mols:
        meta_mset = MoleculeSet()
        meta_mset.load(meta_mol)
        meta_mset.filename = meta_mol
        meta_msets.append(meta_mset)
    for meta_mset in meta_msets:
        matches = []
        for opt_mset in opt_msets:
            if meta_mset.compare_hash(opt_mset):
                matches.append(opt_mset.filename)
        meta_matches[meta_mset.filename] = matches
    for opt_mset in opt_msets:
        matches = []