International
Tables for
Crystallography
Volume G
Definition and exchange of crystallographic data
Edited by J. R. Hester and B. McMahon

© International Union of Crystallography 2026
International Tables for Crystallography (2026). Vol. G. Early view chapter
https://doi.org/10.1107/97809553602060001011

Chapter 4.2 Core dictionary (coreCIF)
CIF_CORE_HEAD > MODEL > VALENCE > VALENCE_PARAM

Index

Core dictionary version 3.3.0

Category VALENCE_PARAM

Name:
'VALENCE_PARAM'

Parent category:
VALENCE

Definition:

   
    Data items in the VALENCE_PARAM category specify bond-valence parameters
    used to calculate bond valences from bond lengths using the
    model of Brown (2002).

    Reference: Brown, I. D. (2002). The Chemical Bond in Inorganic Chemistry:
     the Bond-Valence Model, eq. (3.1). Oxford: Oxford University Press.

Category is of type Loop

Category key:
    _valence_param.id

This category contains the following items








































to end of page
to top of page