data_[Rb1Na2Ge1F8]
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
  Ge  2.0100  1.2500  0.7700
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.9237]
_cell_length_b [5.0686]
_cell_length_c [7.6438]
_cell_angle_alpha [91.6593]
_cell_angle_beta [94.3794]
_cell_angle_gamma [90.2286]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbNa2GeF8]
_chemical_formula_sum '[Rb1 Na2 Ge1 F8]'
_cell_volume [190.1220]
_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  1  0.0000  0.0000  0.5000  1
  Na  Na1  2  0.4927  0.4959  0.2133  1
  Ge  Ge2  1  0.0000  0.0000  0.0000  1
  F  F3  2  0.1745  0.8125  0.8341  1
  F  F4  2  0.2236  0.8638  0.1779  1
  F  F5  2  0.2415  0.2753  0.9843  1
  F  F6  2  0.3007  0.4711  0.4941  1
]