data_[Nd2Zn4Cr2N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Zn  1.6500  1.3500  0.8800
  Cr  1.6600  1.4000  0.9400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [I-42m]
_cell_length_a [5.3088]
_cell_length_b [5.3088]
_cell_length_c [7.1792]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [121]
_chemical_formula_structural [NdZn2CrN4]
_chemical_formula_sum '[Nd2 Zn4 Cr2 N8]'
_cell_volume [202.3325]
_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
[
  Nd  Nd0  2  0.0000  0.0000  0.5000  1.0
  Zn  Zn1  4  0.0000  0.5000  0.2500  1.0
  Cr  Cr2  2  0.0000  0.0000  0.0000  1.0
  N  N3  8  0.1979  0.1979  0.8586  1.0
]