data_[Rb2Ag4Sb4Se12]
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
  Sb  2.0500  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.9001]
_cell_length_b [6.9441]
_cell_length_c [7.3975]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.3666]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbAg2(SbSe3)2]
_chemical_formula_sum '[Rb2 Ag4 Sb4 Se12]'
_cell_volume [816.5437]
_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  2  0.0000  0.5000  0.5000  1.0
  Ag  Ag1  4  0.1467  0.0000  0.0351  1.0
  Sb  Sb2  4  0.2057  0.0000  0.5465  1.0
  Se  Se3  8  0.1730  0.2628  0.2804  1.0
  Se  Se4  4  0.0722  0.0000  0.7299  1.0
]