data_[Rb4Be8Ag4Br24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Be  1.5700  1.0500  0.5900
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.5430]
_cell_length_b [19.6194]
_cell_length_c [8.7376]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.2092]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbBe2AgBr6]
_chemical_formula_sum '[Rb4 Be8 Ag4 Br24]'
_cell_volume [1545.7901]
_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  0.1672  0.2500  1.0
  Be  Be1  8  0.1926  0.3798  0.2202  1.0
  Ag  Ag2  4  0.0000  0.4891  0.7500  1.0
  Br  Br3  8  0.0112  0.3911  0.5195  1.0
  Br  Br4  8  0.2075  0.0346  0.6166  1.0
  Br  Br5  8  0.2099  0.2153  0.7023  1.0
]