data_[Pr2Nd2Bi2N2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Bi  2.0200  1.6000  1.0350
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [4.7571]
_cell_length_b [4.7571]
_cell_length_c [9.4531]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [PrNdBiN]
_chemical_formula_sum '[Pr2 Nd2 Bi2 N2]'
_cell_volume [213.9267]
_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
[
  Pr  Pr0  2  0.0000  0.5000  0.1765  1.0
  Nd  Nd1  2  0.0000  0.0000  0.5000  1.0
  Bi  Bi2  2  0.0000  0.5000  0.8053  1.0
  N  N3  2  0.0000  0.5000  0.4208  1.0
]