data_OsSe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.86
_cell_length_b   2.86
_cell_length_c   10.0
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.82
_symmetry_Int_Tables_number   1
_chemical_formula_structural   OsSe
_chemical_formula_sum   'Os2 Se2'
_cell_volume   70.15
_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  0.41  0.24  0.09  1.0
  Os  Os1  1  0.41  0.76  0.91  1.0
  Se  Se2  1  0.41  0.24  0.66  1.0
  Se  Se3  1  0.41  0.76  0.34  1.0

data_OsSe
_symmetry_space_group_name_H-M   Cmme
_cell_length_a   2.86
_cell_length_b   4.91
_cell_length_c   10.0
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   67
_chemical_formula_structural   OsSe
_chemical_formula_sum   'Os4 Se4'
_cell_volume   140.32
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-x, -y, -z'
  3  '-x+1/2, -y, z'
  4  'x+1/2, y, -z'
  5  'x, -y, -z'
  6  '-x, y, z'
  7  '-x+1/2, y, -z'
  8  'x+1/2, -y, z'
  9  'x+1/2, y+1/2, z'
  10  '-x+1/2, -y+1/2, -z'
  11  '-x, -y+1/2, z'
  12  'x, y+1/2, -z'
  13  'x+1/2, -y+1/2, -z'
  14  '-x+1/2, y+1/2, z'
  15  '-x, y+1/2, -z'
  16  'x, -y+1/2, 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  0.0  0.25  0.91  1.0
  Se  Se1  4  0.0  0.25  0.34  1.0

Os Os Se Se