Twinning dictionary (twinCIF)

Young Jr, Victor G.; Brown, I. David; Hester, James R.

doi:10.1107/97809553602060001014

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

International Tables for Crystallography (2026). Vol. G. Early view chapter
https://doi.org/10.1107/97809553602060001014

Chapter 4.5 Twinning dictionary (twinCIF)

Victor G. Young Jr^a, I. David Brown^b and James R. Hester^c

^aDepartment of Chemistry, University of Minnesota, 207 Pleasant St SE, Minneapolis, MN 55455, USA, ^bBrockhouse Institute for Materials Research, McMaster University, Hamilton, Ontario, Canada L8S 4M1, and ^cAustralian Nuclear Science and Technology Organisation, Locked Bag 2001, Kirrawee DC, NSW 2232, Australia.

This is the set of data-name definitions in version 3.1.0 of the twinning CIF extensions dictionary (twinCIF). Use of this dictionary is described in Chapter 3.5.

Keywords: twins; twinning; twin law; twin matrix; twinCIF dictionary; twinning CIF dictionary; merohedry; holohedry; TLS; twin lattice symmetry; TLQS; twin lattice quasi-symmetry; twin reflections.

This chapter is in preparation

International Tables for Crystallography (2026). Vol. G. Early view chapter
https://doi.org/10.1107/97809553602060001014