Crystallographic Information Framework

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Index

Core dictionary (coreCIF) version 2.4.5

_chemical_formula_analytical

Name:
'_chemical_formula_analytical'

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 (e.s.d.'s).

Example:

'Fe2.45(2) Ni1.60(3) S4'

Type: char

Category: chemical_formula


International Tables for Crystallography

Volume G: Definition and exchange of crystallographic data

First online edition (2006)

Edited by S. R. Hall and B. McMahon

An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.