Twinning dictionary version 3.1

_twin_individual.twin_lattice_type

Name:
_twin_individual.twin_lattice_type

Alias:
_twin_individual_twin_lattice_type

Definition:

   

     Identification of the symmetry relationships between the
     twin lattices as described in International Tables
     for Crystallography (2004), Vol. C, Chapter 1.3.
     The twin with the identity matrix should be denoted as 'ref'.

Type: Code

The data value must be one of the following:

ref reference twin

mt_I merohedral class I (simple inversion)

mt_II merohedral class II (mirror or twofold)

mt_I+II class I and II simultaneously present

rmt reticular merohedral

pmt pseudo-merohedral

rpmt reticular pseudo-merohedral

nmt non-merohedral

Category:
twin_individual

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Crystallographic Information Framework

Twinning dictionary version 3.1

_twin_individual.twin_lattice_type

International Tables for Crystallography

Volume G: Definition and exchange of crystallographic data

Edited by S. R. Hall and B. McMahon

IUCrData