data_OsW
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.51
_cell_length_b   2.81
_cell_length_c   4.82
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   OsW
_chemical_formula_sum   'Os2 W2'
_cell_volume   61.13
_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
  Os  Os0  1  0.13  0.41  0.98  1.0
  Os  Os1  1  0.38  0.41  0.85  1.0
  W  W2  1  0.13  0.0  0.56  1.0
  W  W3  1  0.38  0.0  0.26  1.0

data_OsW
_symmetry_space_group_name_H-M   P2
_cell_length_a   4.51
_cell_length_b   2.81
_cell_length_c   4.82
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   3
_chemical_formula_structural   OsW
_chemical_formula_sum   'Os2 W2'
_cell_volume   61.13
_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
  Os  Os0  2  0.13  0.41  0.44  1.0
  W  W1  2  0.13  0.0  0.85  1.0

Os Os W W
Os Os W W 0 1 o o o 0 2 o o o 0 3 o o + 1 2 o o o 1 3 o o + 2 3 o o o 