data_[K12Rb10]
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
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [7.8430]
_cell_length_b [11.6948]
_cell_length_c [20.0601]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [K6Rb5]
_chemical_formula_sum '[K12 Rb10]'
_cell_volume [1839.9678]
_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
[
  K  K0  8  0.0000  0.1905  0.1312  1.0
  Rb  Rb1  4  0.0000  0.0000  0.3515  1.0
  K  K2  4  0.0000  0.3105  0.5000  1.0
  Rb  Rb3  4  0.0000  0.5000  0.2860  1.0
  Rb  Rb4  2  0.0000  0.5000  0.0000  1.0
]