data_[K6Rb1Na2O1]
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
  Na  0.9300  1.8000  1.1600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [7.8412]
_cell_length_b [7.8903]
_cell_length_c [10.5089]
_cell_angle_alpha [93.6434]
_cell_angle_beta [109.1952]
_cell_angle_gamma [114.5195]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [K6RbNa2O]
_chemical_formula_sum '[K6 Rb1 Na2 O1]'
_cell_volume [543.3175]
_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
[
  K  K0  2  0.1133  0.1746  0.8149  1.0
  K  K1  2  0.2004  0.8005  0.9907  1.0
  K  K2  2  0.3296  0.2749  0.2038  1.0
  Rb  Rb3  1  0.0000  0.5000  0.5000  1.0
  Na  Na4  2  0.4466  0.1353  0.6062  1.0
  O  O5  1  0.0000  0.0000  0.0000  1.0
]