International Tables for Crystallography (2026). Vol. G. Early view chapter
https://doi.org/10.1107/97809553602060001037

Chapter 8.3. Specification of the legacy core CIF dictionary definition language (DDL1)

Contents

  • Specification of the legacy core CIF dictionary definition language (DDL1) | html | pdf | chapter contents |
    Sydney R. Hall and Anthony P. F. Cook
    • 8.3.1. Editorial note| html | pdf |
    • 8.3.2. Introduction| html | pdf |
      • 8.3.2.1. The concept of a dictionary definition language (DDL)| html | pdf |
    • 8.3.3. The organization of a CIF dictionary| html | pdf |
    • 8.3.4. Definition attributes| html | pdf |
      • 8.3.4.1. Example 1: attributes of temperature| html | pdf |
      • 8.3.4.2. Example 2: attributes of Miller indices| html | pdf |
    • 8.3.5. The structure of DDL1 definitions| html | pdf |
      • 8.3.5.1. Definition example 1: formula units per cell ([Z])| html | pdf |
      • 8.3.5.2. Definition example 2: dictionary audit information| html | pdf |
      • 8.3.5.3. Definition example 3: irreducible data items| html | pdf |
      • 8.3.5.4. Definition example 4: list data| html | pdf |
      • 8.3.5.5. Definition example 5: category information| html | pdf |
      • 8.3.5.6. Definition example 6: mandatory and linked items| html | pdf |
      • 8.3.5.7. Definition example 7: joinable lists| html | pdf |
      • 8.3.5.8. Definition example 8: equivalent items| html | pdf |
      • 8.3.5.9. Definition example 9: enumeration states| html | pdf |
    • 8.3.6. DDL1 attribute descriptions| html | pdf |
      • 8.3.6.1. Identification attributes| html | pdf |
      • 8.3.6.2. Descriptive attributes| html | pdf |
      • 8.3.6.3. Typing attributes| html | pdf |
      • 8.3.6.4. Relational attributes| html | pdf |
      • 8.3.6.5. Dictionary registration attributes| html | pdf |
    • Appendix 8.3.1. DDL1 dictionary| html | pdf |
    • References | html | pdf |
    • Figures
      • Fig. 8.3.5.1. DDL1 definition with a few attributes| html | pdf |
      • Fig. 8.3.5.2. DDL1 definition showing basic dictionary organization| html | pdf |
      • Fig. 8.3.5.3. DDL1 definition of irreducible data items| html | pdf |
      • Fig. 8.3.5.4. DDL1 definition of a `list' data item| html | pdf |
      • Fig. 8.3.5.5. DDL1 overview of a category of items| html | pdf |
      • Fig. 8.3.5.6. DDL1 definition of a `mandatory' data item| html | pdf |
      • Fig. 8.3.5.7. DDL1 definition of a `parent' data item| html | pdf |
      • Fig. 8.3.5.8. DDL1 definition showing `related' data items| html | pdf |
      • Fig. 8.3.5.9. DDL1 definition showing enumeration states| html | pdf |
      • Fig. 8.3.6.1. (a) Hypothetical example and (b) the typical definition of nested items| html | pdf |
      • Fig. 8.3.6.2. Definition example: type constructions| html | pdf |