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Magnetic structures (magCIF) version 0.9.8
_space_group_magn_ssg_transforms.Pp_superspace
Name:_space_group_magn_ssg_transforms.Pp_superspace
Definition:
This item specifies the transformation (P,p) of the superspace basis vectors from the current setting (a1,...,a(3+d)) to a reference setting (a1',...,a(3+d)') given by _space_group_magn_ssg_transforms.description. The origin shift is presented in the unitless lattice coordinates of the current setting. The notation and usage are analogous to those of _space_group.transform_Pp_abc, except that P now represents a superspace point operation, that p now represents a superspace translation, and that the point and translational components are now separated with a semicolon. Analogous tags: symCIF:_space_group.transform_Pp_abcExamples:
a1,a2,a3,a4,a5;0,0,0,0,0 | Identity transformation |
-a2,a1,1/2a3,-a1+a5,-1/2a3+a4;1/4,-1/4,0,1/4,0 | Transforms from a supercentered setting to the ISO(3+d)D setting of 65.2.43.64.m481.1 Cmmm(0,b1,1/2)000(1,0,g2)0s0. |
Type: Text
Category:
space_group_magn_ssg_transforms