data_[K6Rb12Na2]
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
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [16.6765]
_cell_length_b [4.8330]
_cell_length_c [20.8345]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.6392]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [K3Rb6Na]
_chemical_formula_sum '[K6 Rb12 Na2]'
_cell_volume [1600.2701]
_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  2  0.0337  0.7500  0.9142  1.0
  Rb  Rb1  2  0.1088  0.2500  0.7038  1.0
  K  K2  2  0.1223  0.7500  0.4992  1.0
  Rb  Rb3  2  0.1569  0.7500  0.2812  1.0
  Rb  Rb4  2  0.2536  0.2500  0.1130  1.0
  Rb  Rb5  2  0.2870  0.7500  0.9007  1.0
  Rb  Rb6  2  0.3694  0.7500  0.6841  1.0
  Rb  Rb7  2  0.3702  0.2500  0.4658  1.0
  K  K8  2  0.4877  0.7500  0.1077  1.0
  Na  Na9  2  0.4142  0.7500  0.2960  1.0
]