name: str

__init__(self, converter_options=None, dimension=(None, None), coordinate_shape=(None, 3), **opts): 

• converter_options: None | dict

  options to be passed through to a CoordinateSystemConverter

• coordinate_shape: Iterable[None | int]

  shape of a single coordinate in this coordiante system

• dimension: Iterable[None | int]

  the dimension of the coordinate system

• opts: Any

  other options, if converter_options is None, these are used as the converter_options

jacobian_prep_coordinates(coord, displacements, values, dihedral_cutoff=6): 

canonicalize_order_list(ncoords, order_list): 

Normalizes the way the ZMatrix coordinates are built out

• ncoords: Any

• order_list: iterable or None

  the basic ordering to apply for the

• :returns: iterator of int triples

tile_order_list(ol, ncoords):