data_[Li4Pr4Ta2N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Pr  1.1300  1.8500  1.0600
  Ta  1.5000  1.4500  0.8200
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.2143]
_cell_length_b [3.2752]
_cell_length_c [5.8931]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.3216]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Li2Pr2TaN4]
_chemical_formula_sum '[Li4 Pr4 Ta2 N8]'
_cell_volume [221.0739]
_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
[
  Li  Li0  4  0.1783  0.5000  0.0072  1
  Pr  Pr1  4  0.1374  0.0000  0.5667  1
  Ta  Ta2  2  0.0000  0.0000  0.0000  1
  N  N3  4  0.0211  0.5000  0.7716  1
  N  N4  4  0.1921  0.0000  0.1995  1
]