data_[Rb6Li2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Li  0.9800  1.4500  0.9000
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [8.5876]
_cell_length_b [7.4165]
_cell_length_c [5.8103]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Rb3LiF4]
_chemical_formula_sum '[Rb6 Li2 F8]'
_cell_volume [370.0600]
_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  0.2346  0.1704  0.0441  1.0
  Rb  Rb1  2  0.0000  0.3731  0.5448  1.0
  Li  Li2  2  0.0000  0.6827  0.9958  1.0
  F  F3  4  0.2037  0.8004  0.0749  1.0
  F  F4  2  0.0000  0.4225  0.0623  1.0
  F  F5  2  0.0000  0.7080  0.6743  1.0
]