data_[K3Rb7Na2]
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/m]
_cell_length_a [7.7548]
_cell_length_b [4.8391]
_cell_length_c [25.2140]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.6648]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [K3Rb7Na2]
_chemical_formula_sum '[K3 Rb7 Na2]'
_cell_volume [937.7239]
_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
[
  Rb  Rb0  2  0.1030  0.5000  0.1911  1.0
  K  K1  2  0.1795  0.0000  0.3572  1.0
  Rb  Rb2  2  0.2721  0.5000  0.5457  1.0
  Rb  Rb3  2  0.4157  0.0000  0.8453  1.0
  Rb  Rb4  1  0.0000  0.0000  0.0000  1.0
  K  K5  1  0.5000  0.5000  0.0000  1.0
  Na  Na6  2  0.3488  0.5000  0.7056  1.0
]