data_[Rb4B2F10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  B  2.0400  0.8500  0.4100
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [7.9113]
_cell_length_b [7.9370]
_cell_length_c [5.9714]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.9463]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Rb2BF5]
_chemical_formula_sum '[Rb4 B2 F10]'
_cell_volume [307.3454]
_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  0.4658  0.2438  0.4648  1.0
  B  B1  2  0.4251  0.5000  0.9113  1.0
  F  F2  4  0.0447  0.1467  0.9907  1.0
  F  F3  2  0.2450  0.0000  0.5599  1.0
  F  F4  2  0.2885  0.5000  0.6127  1.0
  F  F5  2  0.2974  0.5000  0.0052  1.0
]