data_[Rb4Ag4Se12]
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
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.6614]
_cell_length_b [12.6902]
_cell_length_c [7.9562]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.1673]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbAgSe3]
_chemical_formula_sum '[Rb4 Ag4 Se12]'
_cell_volume [642.6129]
_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  0.1555  0.2500  1.0
  Ag  Ag1  4  0.0000  0.4487  0.2500  1.0
  Se  Se2  8  0.2335  0.4214  0.0557  1.0
  Se  Se3  4  0.0000  0.1912  0.7500  1.0
]