data_KCd
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.57
_cell_length_b   4.22
_cell_length_c   6.69
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KCd
_chemical_formula_sum   'K2 Cd2'
_cell_volume   157.23
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  K  K2  1  0.18  0.0  0.33  1.0
  K  K3  1  0.39  0.0  0.37  1.0
  Cd  Cd0  1  0.18  0.11  0.21  1.0
  Cd  Cd1  1  0.39  0.11  0.48  1.0

data_KCd
_symmetry_space_group_name_H-M   P2
_cell_length_a   5.57
_cell_length_b   4.22
_cell_length_c   6.69
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   3
_chemical_formula_structural   KCd
_chemical_formula_sum   'K2 Cd2'
_cell_volume   157.23
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-x, y, -z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  K  K0  2  0.11  0.0  0.02  1.0
  Cd  Cd1  2  0.11  0.11  0.13  1.0

K K Cd Cd