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INTERNATIONAL TABLES for CRYSTALLOGRAPHY |
Volume G |
Definition and Exchange of Crystallographic Data |
Definition:
Formula determined by standard chemical analysis including trace elements. See the CHEMICAL_FORMULA category description for rules for writing chemical formulae. Parentheses are used only for standard uncertainties (estimated standard deviations).Example:
| 'Fe2.45(2) Ni1.60(3) S4' |
Type: text
Mandatory item: no
Alias:Category: chemical_formula
Copyright © 2005 International Union of Crystallography