data_Cr2W
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.45
_cell_length_b   6.45
_cell_length_c   4.23
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   153.28
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cr2W
_chemical_formula_sum   'Cr4 W2'
_cell_volume   79.2
_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
  Cr  Cr0  1  0.49  0.83  0.17  1.0
  Cr  Cr1  1  0.49  0.9  0.06  1.0
  Cr  Cr2  1  0.49  0.1  0.17  1.0
  Cr  Cr3  1  0.49  0.17  0.06  1.0
  W  W4  1  0.49  0.2  0.17  1.0
  W  W5  1  0.49  0.8  0.06  1.0

data_Cr2W
_symmetry_space_group_name_H-M   P-1
_cell_length_a   2.98
_cell_length_b   4.23
_cell_length_c   6.45
_cell_angle_alpha   90.0
_cell_angle_beta   103.36
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Cr2W
_chemical_formula_sum   'Cr4 W2'
_cell_volume   79.2
_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
  Cr  Cr0  2  0.1  0.44  0.6  1.0
  Cr  Cr1  2  0.17  0.56  0.67  1.0
  W  W2  2  0.2  0.44  0.7  1.0

Cr Cr Cr Cr W W