data_[Np2Tl6Br12Cl4]
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
  Br  2.9600  1.1500  0.8825
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.6644]
_cell_length_b [9.0478]
_cell_length_c [6.6858]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.3570]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NpTl3(Br3Cl)2]
_chemical_formula_sum '[Np2 Tl6 Br12 Cl4]'
_cell_volume [997.3641]
_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
[
  Np  Np0  2  0.0000  0.0000  0.5000  1
  Tl  Tl1  4  0.2500  0.2500  0.5000  1
  Tl  Tl2  2  0.0000  0.5000  0.0000  1
  Br  Br3  8  0.0818  0.2126  0.7331  1
  Br  Br4  4  0.1187  0.0000  0.2616  1
  Cl  Cl5  4  0.1634  0.5000  0.2528  1
]