data_[Np3Tl3Ag6Br18]
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
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.6745]
_cell_length_b [7.6745]
_cell_length_c [20.8702]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [NpTl(AgBr3)2]
_chemical_formula_sum '[Np3 Tl3 Ag6 Br18]'
_cell_volume [1064.5192]
_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  0.9868  1
  Tl  Tl1  3  0.0000  0.0000  0.4751  1
  Ag  Ag2  3  0.0000  0.0000  0.2299  1
  Ag  Ag3  3  0.0000  0.0000  0.7920  1
  Br  Br4  9  0.0196  0.2981  0.8930  1
  Br  Br5  9  0.0310  0.6943  0.7248  1
]