data_[K4Rb4Be8F24]
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
  Be  1.5700  1.0500  0.5900
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.1304]
_cell_length_b [10.9153]
_cell_length_c [6.6172]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.7479]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [KRbBe2F6]
_chemical_formula_sum '[K4 Rb4 Be8 F24]'
_cell_volume [707.5985]
_cell_formula_units_Z [4]
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  0.0000  0.1566  0.7500  1.0
  K  K1  4  0.0000  0.3980  0.2500  1.0
  Be  Be2  8  0.2362  0.1084  0.2130  1.0
  F  F3  8  0.1215  0.3923  0.6556  1.0
  F  F4  8  0.1582  0.2242  0.1713  1.0
  F  F5  8  0.1790  0.0021  0.5913  1.0
]