def bond_stereo_parities(gra):
""" bond parities, as a dictionary
"""
return mdict.by_key_by_position(bonds(gra), bond_keys(gra),
BND_STE_PAR_POS)
def atom_stereo_parities(gra):
""" atom parities, as a dictionary
"""
return mdict.by_key_by_position(atoms(gra), atom_keys(gra),
ATM_STE_PAR_POS)
def bond_orders(gra):
""" bond orders, as a dictionary
"""
return mdict.by_key_by_position(bonds(gra), bond_keys(gra), BND_ORD_POS)
def atom_implicit_hydrogen_valences(gra):
""" atom implicit hydrogen valences, as a dictionary
"""
return mdict.by_key_by_position(atoms(gra), atom_keys(gra),
ATM_IMP_HYD_VLC_POS)
def atom_symbols(gra):
""" atom symbols, as a dictionary
"""
return mdict.by_key_by_position(atoms(gra), atom_keys(gra), ATM_SYM_POS)