data_KCr2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.36
_cell_length_b   9.36
_cell_length_c   9.36
_cell_angle_alpha   149.32
_cell_angle_beta   149.32
_cell_angle_gamma   43.94
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KCr2
_chemical_formula_sum   'K2 Cr4'
_cell_volume   213.19
_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  K4  1  0.0  0.48  0.34  1.0
  K  K5  1  0.0  0.0  0.0  1.0
  Cr  Cr0  1  0.48  0.0  0.79  1.0
  Cr  Cr1  1  0.0  0.0  0.24  1.0
  Cr  Cr2  1  0.48  0.0  0.9  1.0
  Cr  Cr3  1  0.0  0.0  0.13  1.0

data_KCr2
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.95
_cell_length_b   4.95
_cell_length_c   9.36
_cell_angle_alpha   105.34
_cell_angle_beta   105.34
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KCr2
_chemical_formula_sum   'K2 Cr4'
_cell_volume   213.19
_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  0.14  0.48  0.14  1.0
  Cr  Cr2  1  0.1  0.0  0.58  1.0
  Cr  Cr3  1  0.21  0.0  0.69  1.0
  Cr  Cr4  1  0.76  0.0  0.76  1.0
  Cr  Cr5  1  0.87  0.0  0.87  1.0

K K Cr Cr Cr Cr