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Magnetic structures (magCIF) version 0.9.8
_space_group_magn_ssg_transforms.source
Name:_space_group_magn_ssg_transforms.source
Definition:
A string that describes the source of a reference setting for the
magnetic superspace group.
If the reference source does not appear in the list below, use
_space_group_magn_ssg_transforms.description
Ref: 'Magnetic Group Tables' of D.B. Litvin at
http://www.iucr.org/publ/978-0-9553602-2-0. ISO-MAG tables of H.T.
Stokes and B.J. Campbell at http://iso.byu.edu.
ISO(3+d)D tables of H.T. Stokes and B.J. Campbell at http://iso.byu.edu.
Type: Text
The data value must be one of the following:
|
ISO(3+d)D-MAG | This superspace transformation simultaneously takes the setting of the basic magnetic space group (BMSG) to the setting of the corresponding entry in the ISO-MAG tables, and takes the setting of the derived non-magnetic superspace group (DNMSG) to within a purely external operation of the setting of the corresponding entry in the ISO(3+d)D tables. The external components of this superspace transformation are those that take the setting of the BMSG to the setting of the corresponding entry in the ISO-MAG tables, while the internal components are those of the transformation that takes the setting of the DNMSG to the setting of the corresponding superspace group in the ISO(3+d)D tables. Such a transformation is unique for any setting of a magnetic superspace group. |
Category:
space_group_magn_ssg_transforms