data_[K2Rb10Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [22.4905]
_cell_length_b [5.0037]
_cell_length_c [9.4576]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.9808]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KRb5Ag4]
_chemical_formula_sum '[K2 Rb10 Ag8]'
_cell_volume [1012.3432]
_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  0.1577  0.0000  0.0538  1
  Rb  Rb1  4  0.1910  0.0000  0.5969  1
  K  K2  2  0.0000  0.5000  0.0000  1
  Rb  Rb3  2  0.0000  0.5000  0.5000  1
  Ag  Ag4  4  0.0569  0.0000  0.2750  1
  Ag  Ag5  4  0.1237  0.5000  0.3143  1
]