data_[Np8Ta4Cr4N20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  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 [3.1723]
_cell_length_b [12.9113]
_cell_length_c [10.0785]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Np2TaCrN5]
_chemical_formula_sum '[Np8 Ta4 Cr4 N20]'
_cell_volume [412.7938]
_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
[
  Np  Np0  4  0.0000  0.1028  0.6849  1
  Np  Np1  4  0.0000  0.1465  0.3030  1
  Ta  Ta2  4  0.0000  0.2073  0.0093  1
  Cr  Cr3  4  0.0000  0.4752  0.4591  1
  N  N4  4  0.0000  0.0495  0.0624  1
  N  N5  4  0.0000  0.2810  0.6566  1
  N  N6  4  0.0000  0.3237  0.3701  1
  N  N7  4  0.0000  0.3702  0.9988  1
  N  N8  4  0.0000  0.4865  0.7798  1
]