International Tables for Crystallography (2026). Vol. G. Early view chapter
https://doi.org/10.1107/97809553602060001002

Chapter 3.5. Classification and use of twinning data

Contents

Classification and use of twinning data | html | pdf | chapter contents |
Victor G. Young Jr
- 3.5.1. Introduction| html | pdf |
- 3.5.2. TLS and TLQS twins| html | pdf |
  - 3.5.2.1. Twin by merohedry| html | pdf |
  - 3.5.2.2. Twin by reticular merohedry| html | pdf |
  - 3.5.2.3. Twin by pseudo-merohedry| html | pdf |
  - 3.5.2.4. Twin by reticular pseudo-merohedry| html | pdf |
  - 3.5.2.5. Twin by non-merohedry| html | pdf |
- 3.5.3. Twin dictionary design| html | pdf |
- 3.5.4. Twin dictionary examples| html | pdf |
  - 3.5.4.1. Twin dictionary example for twinning by merohedry| html | pdf |
  - 3.5.4.2. Twin dictionary example for twin by non-merohedry| html | pdf |
- 3.5.5. Future developments| html | pdf |
- References | html | pdf |
- Figures
  - Fig. 3.5.2.1. Reciprocal-lattice zones for $[hkl\mathord{:} l=0]$ (left) and $[hkl\mathord{:} l=1]$ (right) for a twin by reticular merohedry in space group $[R\overline{3}]$ | html | pdf |
  - Fig. 3.5.2.2. Simulated reciprocal-lattice zone for a pseudo-merohedral twin in space group | html | pdf |
- Tables
  - Table 3.5.1.1. Frequency of twin-related terms in the Cambridge Structural Database| html | pdf |