[IUCr Home Page] [CIF Home Page]

Index

Macromolecular dictionary (mmCIF) version 2.0.09

_space_group.IT_number

Name:
'_space_group.IT_number'

Definition:

   The number as assigned in International Tables for
   Crystallography Vol. A, specifying the proper affine class (i.e.
   the orientation-preserving affine class) of space groups
   (crystallographic space-group type) to which the space group
   belongs.  This number defines the space-group type but not
   the coordinate system in which it is expressed.

Type: int

Mandatory item: no

Alias:
_space_group_IT_number (cif_core.dic version 2.3)
The permitted range is [1, 230]

Related item: _symmetry.Int_Tables_number (alternate)

Category: space_group