data_[Rb1Cu2Ag1Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P-3]
_cell_length_a [6.5543]
_cell_length_b [6.5543]
_cell_length_c [9.0595]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [147]
_chemical_formula_structural [RbCu2AgCl8]
_chemical_formula_sum '[Rb1 Cu2 Ag1 Cl8]'
_cell_volume [337.0419]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.0000  1
  Cu  Cu1  2  0.3333  0.6667  0.7350  1
  Ag  Ag2  1  0.0000  0.0000  0.5000  1
  Cl  Cl3  6  0.0268  0.3192  0.6693  1
  Cl  Cl4  2  0.3333  0.6667  0.9769  1
]