data_KZn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.41
_cell_length_b   6.41
_cell_length_c   6.41
_cell_angle_alpha   132.63
_cell_angle_beta   132.63
_cell_angle_gamma   69.23
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KZn
_chemical_formula_sum   'K2 Zn2'
_cell_volume   140.12
_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  K0  1  0.0  0.58  0.64  1.0
  K  K1  1  0.0  0.0  0.0  1.0
  Zn  Zn2  1  0.58  0.0  0.64  1.0
  Zn  Zn3  1  0.0  0.0  0.28  1.0

data_KZn
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.15
_cell_length_b   5.15
_cell_length_c   6.41
_cell_angle_alpha   113.68
_cell_angle_beta   113.68
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KZn
_chemical_formula_sum   'K2 Zn2'
_cell_volume   140.12
_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  K0  1  0.0  0.0  0.0  1.0
  K  K1  1  0.06  0.64  0.06  1.0
  Zn  Zn2  1  0.28  0.28  0.28  1.0
  Zn  Zn3  1  0.64  0.06  0.06  1.0

K K Zn Zn