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INTERNATIONAL TABLES for CRYSTALLOGRAPHY |
Volume G |
Definition and Exchange of Crystallographic Data |
Definition:
The point group of the ensemble of structural elements related by one or more noncrystallographic symmetry operations. The relationships need not be precise; this data item is intended to give a rough description of the noncrystallographic symmetry relationships.Examples:
| 3 |
| 422 |
| non-proper |
Type: line
Mandatory item: no
Category: struct_ncs_ens
Copyright © 2005 International Union of Crystallography