data_[Na4La4Cr4N12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  La  1.1000  1.9500  1.1720
  Cr  1.6600  1.4000  0.9400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.7488]
_cell_length_b [6.8139]
_cell_length_c [12.5627]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [NaLaCrN3]
_chemical_formula_sum '[Na4 La4 Cr4 N12]'
_cell_volume [320.8968]
_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
[
  Na  Na0  4  0.0000  0.5000  0.3952  1
  La  La1  4  0.0000  0.0000  0.3150  1
  Cr  Cr2  4  0.0000  0.3050  0.0000  1
  N  N3  8  0.0000  0.2346  0.1397  1
  N  N4  4  0.0000  0.1760  0.5000  1
]