data_[Ba8Na4Sr4N2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.2790]
_cell_length_b [8.5145]
_cell_length_c [7.0379]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.8909]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ba4Na2Sr2N]
_chemical_formula_sum '[Ba8 Na4 Sr4 N2]'
_cell_volume [849.4687]
_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
[
  Ba  Ba0  8  0.0924  0.2350  0.2999  1.0
  Na  Na1  4  0.1570  0.5000  0.7871  1.0
  Sr  Sr2  4  0.1379  0.0000  0.7687  1.0
  N  N3  2  0.0000  0.0000  0.5000  1.0
]