data_[Rb8Ca4Ag4Cl20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ca  1.0000  1.8000  1.1400
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.2768]
_cell_length_b [19.1502]
_cell_length_c [13.7098]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Rb2CaAgCl5]
_chemical_formula_sum '[Rb8 Ca4 Ag4 Cl20]'
_cell_volume [1122.8517]
_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  0.1062  0.6784  1.0
  Rb  Rb1  4  0.0000  0.1292  0.3115  1.0
  Ca  Ca2  4  0.0000  0.2094  0.0178  1.0
  Ag  Ag3  4  0.0000  0.4512  0.4477  1.0
  Cl  Cl4  4  0.0000  0.0656  0.0518  1.0
  Cl  Cl5  4  0.0000  0.2834  0.6509  1.0
  Cl  Cl6  4  0.0000  0.3042  0.3850  1.0
  Cl  Cl7  4  0.0000  0.3500  0.0008  1.0
  Cl  Cl8  4  0.0000  0.4988  0.7801  1.0
]