data_OsN2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.01
_cell_length_b   3.01
_cell_length_c   3.78
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   OsN2
_chemical_formula_sum   'Os1 N2'
_cell_volume   29.54
_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
  Os  Os0  1  0.0  0.0  0.0  1.0
  N  N1  1  0.5  0.87  0.23  1.0
  N  N2  1  0.5  0.87  0.54  1.0

data_OsN2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.01
_cell_length_b   3.01
_cell_length_c   3.78
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   OsN2
_chemical_formula_sum   'Os1 N2'
_cell_volume   29.54
_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
  Os  Os0  1  0.0  0.0  0.0  1.0
  N  N1  1  0.5  0.87  0.23  1.0
  N  N2  1  0.5  0.87  0.54  1.0

Os N N
Os N N 0 1 - - o 1 2 o o o 
OsN2 crystallizes in the triclinic P1 space group. Os(1) is bonded in a 5-coordinate geometry to two equivalent N(2) and three equivalent N(1) atoms. There is one shorter (2.19 Å) and one longer (2.46 Å) Os(1)-N(2) bond length. There are a spread of Os(1)-N(1) bond distances ranging from 1.61-2.43 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a 4-coordinate geometry to three equivalent Os(1) and one N(2) atom. The N(1)-N(2) bond length is 1.16 Å. In the second N site, N(2) is bonded in a 3-coordinate geometry to two equivalent Os(1) and one N(1) atom.