data_[Pr8Ta4Cr4N20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Ta  1.5000  1.4500  0.8200
  Cr  1.6600  1.4000  0.9400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.3051]
_cell_length_b [14.2920]
_cell_length_c [10.3134]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Pr2TaCrN5]
_chemical_formula_sum '[Pr8 Ta4 Cr4 N20]'
_cell_volume [487.1642]
_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
[
  Pr  Pr0  4  0.0000  0.1171  0.6884  1.0
  Pr  Pr1  4  0.0000  0.1319  0.3192  1.0
  Ta  Ta2  4  0.0000  0.2082  0.0229  1.0
  Cr  Cr3  4  0.0000  0.4505  0.4433  1.0
  N  N4  4  0.0000  0.0390  0.0206  1.0
  N  N5  4  0.0000  0.2963  0.6535  1.0
  N  N6  4  0.0000  0.3222  0.3837  1.0
  N  N7  4  0.0000  0.3416  0.0045  1.0
  N  N8  4  0.0000  0.4988  0.7879  1.0
]