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/10.1107/97809553602060001011

Chapter 4.2 Core dictionary (coreCIF)


Index

Core dictionary version 3.3.0

_space_group.name_Hall

Name:
_space_group.name_Hall

Aliases:

_space_group_name_Hall
_symmetry_space_group_name_Hall
_symmetry.space_group_name_Hall

Definition:

   
    Space-group symbol defined by Hall. Each component of the
    space-group name is separated by a space or an underscore.
    The use of a space is strongly recommended because it specifies
    the coordinate system. The underscore in the name is only
    retained because it was used in earlier archived files. It
    should not be used in new CIFs.

    See Hall (1991) and International Tables for Crystallography
    Volume B (2008), Appendix A1.4.2.

    References:
     Hall, S. R. (1981). Acta Cryst. A37, 517-525;
     International Tables for Crystallography (2008). Volume B,
       Reciprocal space, edited by U. Shmueli, 3rd ed.
       Chichester: John Wiley & Sons.


Examples:

'P 2ac 2n'
'-R 3 2"'
'P 61 2 2 (0 0 -1)'

Type: Text

Category:
space_group








































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