data_[Np3Tl3Sb6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Tl  1.6200  1.9000  1.3325
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [4.7318]
_cell_length_b [4.7318]
_cell_length_c [20.0197]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [NpTlSb2]
_chemical_formula_sum '[Np3 Tl3 Sb6]'
_cell_volume [388.1826]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.3338  1
  Tl  Tl1  3  0.0000  0.0000  0.5045  1
  Sb  Sb2  3  0.0000  0.0000  0.7360  1
  Sb  Sb3  3  0.0000  0.0000  0.9257  1
]