functionalized_zmatrix
functionalized_zmatrix(base_zm, attachments: 'dict|list[list[int], list[int]]' = None, single_atoms: list[int] = None, methyl_positions: list[int] = None, ethyl_positions: list[int] = None, validate=False):
functionalized_zmatrix(base_zm, attachments: 'dict|list[list[int], list[int]]' = None, single_atoms: list[int] = None, methyl_positions: list[int] = None, ethyl_positions: list[int] = None, validate=False):