data_Os2Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.25
_cell_length_b   5.25
_cell_length_c   6.51
_cell_angle_alpha   103.78
_cell_angle_beta   103.78
_cell_angle_gamma   30.62
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Os2Pt
_chemical_formula_sum   'Os4 Pt2'
_cell_volume   88.54
_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  0.69  0.0  0.41  1.0
  Os  Os1  1  0.83  0.0  0.9  1.0
  Os  Os2  1  0.88  0.0  0.94  1.0
  Os  Os3  1  0.63  0.0  0.37  1.0
  Pt  Pt4  1  0.5  0.0  0.26  1.0
  Pt  Pt5  1  0.01  0.0  0.05  1.0

data_Os2Pt
_symmetry_space_group_name_H-M   P-1
_cell_length_a   2.77
_cell_length_b   5.25
_cell_length_c   6.51
_cell_angle_alpha   103.78
_cell_angle_beta   90.0
_cell_angle_gamma   105.31
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Os2Pt
_chemical_formula_sum   'Os4 Pt2'
_cell_volume   88.54
_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  0.0  0.07  0.25  1.0
  Os  Os1  2  0.0  0.12  0.29  1.0
  Pt  Pt2  2  0.0  0.25  0.4  1.0

Os Os Os Os Pt Pt