data_[Pt8N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pt  2.2800  1.3500  0.8050
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [8.3974]
_cell_length_b [8.3974]
_cell_length_c [3.1995]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [PtN]
_chemical_formula_sum '[Pt8 N8]'
_cell_volume [225.6146]
_cell_formula_units_Z [8]
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
[
  Pt  Pt0  8  0.0840  0.2422  0.5000  1
  N  N1  8  0.1423  0.6876  0.5000  1
]