data_[Rb4Np8S16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Np  1.3600  1.7500  1.0000
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.0342]
_cell_length_b [13.2865]
_cell_length_c [13.7700]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Rb(NpS2)2]
_chemical_formula_sum '[Rb4 Np8 S16]'
_cell_volume [738.0741]
_cell_formula_units_Z [4]
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
[
  Rb  Rb0  4  0.0000  0.3923  0.7500  1
  Np  Np1  8  0.0000  0.1332  0.5648  1
  S  S2  8  0.0000  0.2391  0.1027  1
  S  S3  4  0.0000  0.0853  0.7500  1
  S  S4  4  0.0000  0.5000  0.0000  1
]