data_K2Cr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.4
_cell_length_b   9.49
_cell_length_c   3.75
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2Cr
_chemical_formula_sum   'K4 Cr2'
_cell_volume   299.0
_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  0.59  0.41  0.0  1.0
  K  K3  1  0.81  0.08  0.0  1.0
  K  K4  1  0.79  0.82  0.88  1.0
  K  K5  1  0.61  0.66  0.88  1.0
  Cr  Cr0  1  0.0  0.0  0.0  1.0
  Cr  Cr1  1  0.2  0.74  0.88  1.0

data_K2Cr
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.75
_cell_length_b   8.4
_cell_length_c   9.49
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2Cr
_chemical_formula_sum   'K4 Cr2'
_cell_volume   299.0
_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  0.81  0.08  1.0
  K  K1  1  -0.0  0.59  0.41  1.0
  K  K2  1  0.88  0.61  0.66  1.0
  K  K3  1  0.88  0.79  0.82  1.0
  Cr  Cr4  1  0.0  0.0  0.0  1.0
  Cr  Cr5  1  0.88  0.2  0.74  1.0

K K K K Cr Cr
K K K K Cr Cr 0 3 o o - 1 4 + o o 1 2 o - - 2 3 o o o 2 4 + + + 2 5 + o o 3 5 o o o 4 5 o - - 5 5 o o + 