Restraints dictionary version 3.1

Category RESTR_U_RIGID

Name:
'RESTR_U_RIGID'

Parent category:
CIF_RSTR

Definition:

   

      The items in this category restrains the anisotropic
      displacement parameters of two atoms to be equal
      within a certain *_target_weight_param along the
      direction of the vector joining the atoms.

Category is of type Loop

Category keys:
    _restr_U_rigid.atom_site_label_1
    _restr_U_rigid.site_symmetry_1
    _restr_U_rigid.atom_site_label_2
    _restr_U_rigid.site_symmetry_2