Core dictionary (coreCIF) version 2.4.5
The number of times the given bond appears in the environment of the atoms labelled _geom_bond_atom_site_label_1. In cases where the full list of bonds is given, one of the series of equivalent bonds may be assigned the appropriate multiplicity while the others are assigned a value of 0.
Appears in list containing _geom_bond_atom_site_label_
The permitted range is 0 -> infinity
Enumeration default: 1