data_[Rb4Ag4Rh2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ag  1.9300  1.6000  1.0867
  Rh  2.2800  1.3500  0.7450
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C222]
_cell_length_a [6.3272]
_cell_length_b [13.4318]
_cell_length_c [6.2071]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [21]
_chemical_formula_structural [Rb2Ag2RhSe4]
_chemical_formula_sum '[Rb4 Ag4 Rh2 Se8]'
_cell_volume [527.5212]
_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  0.7376  1
  Ag  Ag1  2  0.0000  0.0000  0.5000  1
  Ag  Ag2  2  0.0000  0.5000  0.0000  1
  Rh  Rh3  2  0.0000  0.0000  0.0000  1
  Se  Se4  8  0.2148  0.8870  0.7871  1
]