data_[Rb4Np6S16]
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 [Cmmm]
_cell_length_a [10.6920]
_cell_length_b [15.4704]
_cell_length_c [4.4183]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Rb2Np3S8]
_chemical_formula_sum '[Rb4 Np6 S16]'
_cell_volume [730.8358]
_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
[
  Rb  Rb0  4  0.0000  0.2696  0.5000  1
  Np  Np1  4  0.2447  0.5000  0.0000  1
  Np  Np2  2  0.0000  0.0000  0.5000  1
  S  S3  8  0.2282  0.1020  0.5000  1
  S  S4  4  0.0000  0.0994  0.0000  1
  S  S5  4  0.0000  0.4330  0.0000  1
]