data_[Rb6U3Be6S18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  U  1.3800  1.7500  0.9913
  Be  1.5700  1.0500  0.5900
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [7.0194]
_cell_length_b [7.0194]
_cell_length_c [20.5111]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Rb2U(BeS3)2]
_chemical_formula_sum '[Rb6 U3 Be6 S18]'
_cell_volume [875.2172]
_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  6  0.0000  0.0000  0.2227  1
  U  U1  3  0.0000  0.0000  0.0000  1
  Be  Be2  6  0.0000  0.0000  0.4042  1
  S  S3  18  0.0046  0.5023  0.2587  1
]