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/10.1107/97809553602060001013

Chapter 4.4 Restraints dictionary

I. David Browna

aBrockhouse Institute for Materials Research, McMaster University, Hamilton, Ontario, Canada L8S 4M1.

The CIF restraints dictionary (restrCIF) contains the CIF data names and associated definitions used for recording the restraints and constraints that were applied to the parameters of a structural model during the final refinement of a structure determination.

Keywords: restraints Crystallographic Information Framework; restrCIF dictionary; restraints; constraints; refinement restraints.

This chapter is in preparation








































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