data_[Rb8Ag4Hg4Br20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.4565]
_cell_length_b [20.9615]
_cell_length_c [13.9250]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Rb2AgHgBr5]
_chemical_formula_sum '[Rb8 Ag4 Hg4 Br20]'
_cell_volume [1300.8002]
_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  0.1269  0.3100  1.0
  Rb  Rb1  4  0.0000  0.1283  0.6843  1.0
  Ag  Ag2  4  0.0000  0.2339  0.0451  1.0
  Hg  Hg3  4  0.0000  0.4295  0.4411  1.0
  Br  Br4  4  0.0000  0.0403  0.0452  1.0
  Br  Br5  4  0.0000  0.2978  0.6510  1.0
  Br  Br6  4  0.0000  0.3108  0.3745  1.0
  Br  Br7  4  0.0000  0.3572  0.9972  1.0
  Br  Br8  4  0.0000  0.4951  0.2756  1.0
]