data_[Tb4Mg6Np2N12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Mg  1.3100  1.5000  0.8600
  Np  1.3600  1.7500  1.0000
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.8599]
_cell_length_b [10.2081]
_cell_length_c [5.5667]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.3061]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Mg3NpN6]
_chemical_formula_sum '[Tb4 Mg6 Np2 N12]'
_cell_volume [312.3009]
_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
[
  Tb  Tb0  4  0.0000  0.3324  0.0000  1
  Mg  Mg1  4  0.0000  0.1578  0.5000  1
  Mg  Mg2  2  0.0000  0.5000  0.5000  1
  Np  Np3  2  0.0000  0.0000  0.0000  1
  N  N4  8  0.2343  0.1537  0.2450  1
  N  N5  4  0.2300  0.0000  0.7667  1
]