data_[Cs4Sn2Hg2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Sn  1.9600  1.4500  0.8300
  Hg  2.0000  1.5000  1.2450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [9.0040]
_cell_length_b [8.3136]
_cell_length_c [6.4440]
_cell_angle_alpha [90.0000]
_cell_angle_beta [131.9793]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [Cs2SnHgO4]
_chemical_formula_sum '[Cs4 Sn2 Hg2 O8]'
_cell_volume [358.5873]
_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
[
  Cs  Cs0  2  0.0000  0.7468  0.5000  1.0
  Cs  Cs1  2  0.0000  0.9859  0.0000  1.0
  Sn  Sn2  2  0.0000  0.2655  0.5000  1.0
  Hg  Hg3  2  0.0000  0.4643  0.0000  1.0
  O  O4  4  0.1309  0.4195  0.4156  1.0
  O  O5  4  0.2175  0.1560  0.8516  1.0
]