data_[La8Pb4Se2N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Pb  2.3300  1.8000  1.1225
  Se  2.5500  1.1500  1.0133
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.5110]
_cell_length_b [4.1580]
_cell_length_c [9.1750]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.1614]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [La4Pb2SeN2]
_chemical_formula_sum '[La8 Pb4 Se2 N4]'
_cell_volume [555.3314]
_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
[
  La  La0  4  0.0267  0.5000  0.7846  1.0
  La  La1  4  0.2224  0.0000  0.1329  1.0
  Pb  Pb2  4  0.1045  0.0000  0.5501  1.0
  Se  Se3  2  0.0000  0.0000  0.0000  1.0
  N  N4  4  0.1748  0.5000  0.9770  1.0
]