data_[Pr4Ni8As4N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Ni  1.9100  1.3500  0.7400
  As  2.1800  1.1500  0.6600
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.6687]
_cell_length_b [11.3933]
_cell_length_c [6.9732]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [PrNi2AsN]
_chemical_formula_sum '[Pr4 Ni8 As4 N4]'
_cell_volume [291.4655]
_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  0.4634  0.7500  1.0
  Ni  Ni1  8  0.0000  0.1667  0.5519  1.0
  As  As2  4  0.0000  0.2667  0.2500  1.0
  N  N3  4  0.0000  0.0000  0.0000  1.0
]