data_[K2Nd4Cr4N12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Nd  1.1400  1.8500  1.2765
  Cr  1.6600  1.4000  0.9400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.0236]
_cell_length_b [6.8606]
_cell_length_c [6.9881]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.2913]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KNd2(CrN3)2]
_chemical_formula_sum '[K2 Nd4 Cr4 N12]'
_cell_volume [441.7673]
_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
[
  K  K0  2  0.0000  0.5000  0.5000  1
  Nd  Nd1  4  0.1828  0.0000  0.8011  1
  Cr  Cr2  4  0.1212  0.0000  0.1885  1
  N  N3  8  0.1921  0.2003  0.1435  1
  N  N4  4  0.0811  0.0000  0.3932  1
]