Crystallographic Information Framework

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Index

Core dictionary (coreCIF) version 2.4.5

_chemical_formula_weight

Name:
'_chemical_formula_weight'

Definition:

   Formula mass in daltons. This mass should correspond to the
   formulae given under _chemical_formula_structural, *_iupac,
   *_moiety or *_sum and, together with the Z value and cell
   parameters, should yield the density given as
   _exptl_crystal_density_diffrn.


The permitted range is 1.0 -> infinity

Type: numb

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.