data_[K2Rb8Na14]
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 [C2/m]
_cell_length_a [14.1733]
_cell_length_b [7.2241]
_cell_length_c [14.8190]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.3907]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KRb4Na7]
_chemical_formula_sum '[K2 Rb8 Na14]'
_cell_volume [1381.8824]
_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  0.0555  0.5000  0.3551  1.0
  Rb  Rb1  4  0.1697  0.0000  0.7839  1.0
  K  K2  2  0.0000  0.0000  0.0000  1.0
  Na  Na3  4  0.1288  0.0000  0.5011  1.0
  Na  Na4  4  0.2012  0.5000  0.9189  1.0
  Na  Na5  4  0.2246  0.0000  0.3084  1.0
  Na  Na6  2  0.0000  0.5000  0.0000  1.0
]