data_SiOs2Br
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.03
_cell_length_b   4.03
_cell_length_c   6.22
_cell_angle_alpha   97.73
_cell_angle_beta   97.73
_cell_angle_gamma   44.05
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiOs2Br
_chemical_formula_sum   'Si1 Os2 Br1'
_cell_volume   69.61
_cell_formula_units_Z   1
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
  Si  Si3  1  0.0  0.0  0.0  1.0
  Os  Os1  1  0.28  0.0  0.05  1.0
  Os  Os2  1  0.3  0.0  0.1  1.0
  Br  Br0  1  0.29  0.0  0.08  1.0

data_SiOs2Br
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.03
_cell_length_b   4.03
_cell_length_c   6.22
_cell_angle_alpha   97.73
_cell_angle_beta   90.0
_cell_angle_gamma   112.03
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiOs2Br
_chemical_formula_sum   'Si1 Os2 Br1'
_cell_volume   69.61
_cell_formula_units_Z   1
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
  Si  Si0  1  0.0  0.0  0.0  1.0
  Os  Os1  1  0.0  0.7  0.9  1.0
  Os  Os2  1  0.0  0.72  0.95  1.0
  Br  Br3  1  0.0  0.71  0.92  1.0

Si Os Os Br
Os2SiBr is Cyanogen Chloride-like structured and crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one Os2SiBr cluster. There are two inequivalent Os sites. In the first Os site, Os(1) is bonded in a single-bond geometry to one Si(1) and one Br(1) atom. The Os(1)-Si(1) bond length is 1.12 Å. The Os(1)-Br(1) bond length is 0.14 Å. In the second Os site, Os(2) is bonded in a single-bond geometry to one Br(1) atom. The Os(2)-Br(1) bond length is 0.14 Å. Si(1) is bonded in a single-bond geometry to one Os(1) atom. Br(1) is bonded in a linear geometry to one Os(1) and one Os(2) atom.