data_[Rb3Li3Be6Br18]
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
  Be  1.5700  1.0500  0.5900
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [6.9859]
_cell_length_b [6.9859]
_cell_length_c [23.7763]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [RbLi(BeBr3)2]
_chemical_formula_sum '[Rb3 Li3 Be6 Br18]'
_cell_volume [1004.8870]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0000  1.0
  Li  Li1  3  -0.0000  0.0000  0.5000  1.0
  Be  Be2  6  0.0000  0.0000  0.2350  1.0
  Br  Br3  18  0.0137  0.6196  0.9053  1.0
]