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Core CIF Dictionary version 2.3

_exptl_crystal_face_diffr_

Names

'_exptl_crystal_face_diffr_chi' '_exptl_crystal_face_diffr_kappa' '_exptl_crystal_face_diffr_phi' '_exptl_crystal_face_diffr_psi'

Category: exptl_crystal_face

Data type: numb

Must appear in a looped list containing '_exptl_crystal_face_index_'

Units: deg ( degrees)

Definition

    	
   The goniometer angle settings in degrees when the perpendicular
   to the specified crystal face is aligned along a specified
   direction (e.g. the bisector of the incident and reflected beams
   in an optical goniometer).

 


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