data_[Os4Se2Br2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Os  2.2000  1.3000  0.6730
  Se  2.5500  1.1500  1.0133
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [2.9029]
_cell_length_b [5.4719]
_cell_length_c [8.6578]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Os2SeBr]
_chemical_formula_sum '[Os4 Se2 Br2]'
_cell_volume [137.5238]
_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  4  0.0000  0.0000  0.2340  1
  Se  Se1  2  0.0000  0.5000  0.5000  1
  Br  Br2  2  0.0000  0.5000  0.0000  1
]