data_[Rb6Ag2Cl8]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [10.8342]
_cell_length_b [8.9694]
_cell_length_c [6.6525]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Rb3AgCl4]
_chemical_formula_sum '[Rb6 Ag2 Cl8]'
_cell_volume [646.4581]
_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  0.2348  0.6696  0.0650  1.0
  Rb  Rb1  2  0.0000  0.8677  0.5629  1.0
  Ag  Ag2  2  0.0000  0.1901  0.0075  1.0
  Cl  Cl3  4  0.2243  0.3052  0.0707  1.0
  Cl  Cl4  2  0.0000  0.2124  0.6071  1.0
  Cl  Cl5  2  0.0000  0.8921  0.0663  1.0
]