data_[Rb8Np6Pt2Se16]
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
  Pt  2.2800  1.3500  0.8050
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.2034]
_cell_length_b [8.1995]
_cell_length_c [9.3255]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.4962]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb4Np3PtSe8]
_chemical_formula_sum '[Rb8 Np6 Pt2 Se16]'
_cell_volume [1001.7014]
_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  0.2500  0.2500  0.0000  1
  Rb  Rb1  2  0.0000  0.0000  0.0000  1
  Rb  Rb2  2  0.0000  0.5000  0.0000  1
  Np  Np3  4  0.2500  0.2500  0.5000  1
  Np  Np4  2  0.0000  0.5000  0.5000  1
  Pt  Pt5  2  0.0000  0.0000  0.5000  1
  Se  Se6  8  0.0236  0.2219  0.3283  1
  Se  Se7  4  0.2254  0.5000  0.6960  1
  Se  Se8  4  0.2343  0.5000  0.2808  1
]