data_[Na10Os2N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Os  2.2000  1.3000  0.6730
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [7.3083]
_cell_length_b [7.7326]
_cell_length_c [5.7370]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Na5OsN4]
_chemical_formula_sum '[Na10 Os2 N8]'
_cell_volume [324.2161]
_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
[
  Na  Na0  8  0.2375  0.3105  0.7621  1.0
  Na  Na1  2  0.0000  0.0000  0.6666  1.0
  Os  Os2  2  0.0000  0.5000  0.2866  1.0
  N  N3  4  0.0000  0.3014  0.4652  1.0
  N  N4  4  0.2089  0.5000  0.1066  1.0
]