International Tables for Crystallography (2012). Vol. F, ch. 11.7, pp. 311-316
doi: 10.1107/97809553602060000836

Chapter 11.7. Detecting twinning by merohedry

Contents

  • 11.7. Detecting twinning by merohedry  (pp. 311-316) | html | pdf | chapter contents |
    • 11.7.1. Introduction  (p. 311) | html | pdf |
    • 11.7.2. Twinning by merohedry – considerations of lattice symmetry  (pp. 311-312) | html | pdf |
    • 11.7.3. Considerations of length scale and effects in reciprocal space  (p. 312) | html | pdf |
    • 11.7.4. Extent of twinning: the twin fraction  (p. 312) | html | pdf |
    • 11.7.5. Indications of twinning  (pp. 312-313) | html | pdf |
    • 11.7.6. Twinning tests based on overall intensity statistics  (pp. 313-314) | html | pdf |
    • 11.7.7. Tests for partial twinning based on comparison of twin-related reflections  (pp. 314-315) | html | pdf |
    • 11.7.8. Higher forms of twinning  (p. 315) | html | pdf |
    • 11.7.9. Other kinds of disorder  (p. 315) | html | pdf |
    • 11.7.10. Summary  (p. 315) | html | pdf |
    • References | html | pdf |
    • Figures
      • Fig. 11.7.1.1. Hierarchy of multiple types of twinning  (p. 311) | html | pdf |
      • Fig. 11.7.2.1. A cartoon depicting partial merohedral twinning in space group P 4  (p. 311) | html | pdf |
      • Fig. 11.7.6.1. Detection of high or perfect twinning by analysing overall intensity statistics  (p. 313) | html | pdf |
      • Fig. 11.7.7.1. Estimation of the twin fraction α based on the variable H (see text)  (p. 314) | html | pdf |
    • Tables
      • Table 11.7.2.1. Symmetries in which twinning by merohedry can occur in biological macromolecules  (p. 312) | html | pdf |
      • Table 11.7.6.1. Twinning statistics for acentric intensity data from a crystal specimen with different numbers of twin domain orientations ( n )  (p. 314) | html | pdf |