data_[Sr4La2Nb2N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  La  1.1000  1.9500  1.1720
  Nb  1.6000  1.4500  0.8200
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [7.8075]
_cell_length_b [7.0980]
_cell_length_c [5.7420]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Sr2LaNbN4]
_chemical_formula_sum '[Sr4 La2 Nb2 N8]'
_cell_volume [318.2070]
_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
[
  Sr  Sr0  4  0.2460  0.6681  0.9710  1.0
  La  La1  2  0.0000  0.8590  0.4770  1.0
  Nb  Nb2  2  0.0000  0.1725  0.9973  1.0
  N  N3  4  0.2202  0.3054  0.9211  1.0
  N  N4  2  0.0000  0.1634  0.3370  1.0
  N  N5  2  0.0000  0.9018  0.9043  1.0
]