data_[Rb2Si2Hg2Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Si  1.9000  1.1000  0.5400
  Hg  2.0000  1.5000  1.2450
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.3895]
_cell_length_b [7.1815]
_cell_length_c [10.9287]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.4374]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbSiHgTe4]
_chemical_formula_sum '[Rb2 Si2 Hg2 Te8]'
_cell_volume [556.2632]
_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  2  0.2069  0.2500  0.0353  1
  Si  Si1  2  0.2302  0.7500  0.3012  1
  Hg  Hg2  2  0.2719  0.2500  0.6754  1
  Te  Te3  4  0.0016  0.0175  0.2896  1
  Te  Te4  2  0.3682  0.7500  0.1149  1
  Te  Te5  2  0.4844  0.2500  0.4954  1
]