data_[Sr8W4N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  W  2.3600  1.3500  0.7667
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.6975]
_cell_length_b [5.5044]
_cell_length_c [6.9979]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.8413]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr2WN2]
_chemical_formula_sum '[Sr8 W4 N8]'
_cell_volume [394.6853]
_cell_formula_units_Z [4]
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
[
  Sr  Sr0  4  0.0327  0.0000  0.2781  1
  Sr  Sr1  4  0.1811  0.5000  0.1339  1
  W  W2  4  0.1384  0.5000  0.6341  1
  N  N3  4  0.0032  0.5000  0.2963  1
  N  N4  4  0.1918  0.0000  0.1261  1
]