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INTERNATIONAL TABLES for CRYSTALLOGRAPHY |
Volume G |
Definition and Exchange of Crystallographic Data |
Definition:
The ratio of _refln_sys_abs.I to _refln_sys_abs.sigmaI. Used to evaluate whether a reflection that should be systematically absent according to the designated space group is in fact absent.
Type: float
Mandatory item: no
Alias:Category: refln_sys_abs
Copyright © 2005 International Union of Crystallography