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Modulated and composite structures dictionary (msCIF) version 1.0.1

_atom_sites_displace_Fourier_axes_description

Name:
'_atom_sites_displace_Fourier_axes_description'

Definition:

   The definition of the axes used for describing the displacive
   modulation, parameterized by Fourier series, when they are other
   than the crystallographic axes.

Example:

;              a1 and a2 are respectively the long molecular axis
               and the axis normal to the mean molecular plane.
;

Type: char

Category: atom_sites_displace_Fourier