data_[Rb4Na2Sb2F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Sb  2.0500  1.4500  0.8300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.4004]
_cell_length_b [6.3748]
_cell_length_c [11.0798]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.3247]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2NaSbF6]
_chemical_formula_sum '[Rb4 Na2 Sb2 F12]'
_cell_volume [368.8409]
_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  0.2490  0.0127  0.2505  1.0
  Na  Na1  2  0.5000  0.0000  0.0000  1.0
  Sb  Sb2  2  0.0000  0.0000  0.5000  1.0
  F  F3  4  0.1975  0.2336  0.9781  1.0
  F  F4  4  0.2443  0.7199  0.9786  1.0
  F  F5  4  0.2849  0.0056  0.7429  1.0
]