data_[Cs2Hg4Sb2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Hg  2.0000  1.5000  1.2450
  Sb  2.0500  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [5.1558]
_cell_length_b [5.6116]
_cell_length_c [12.4500]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [CsHg2SbPb]
_chemical_formula_sum '[Cs2 Hg4 Sb2 Pb2]'
_cell_volume [360.2037]
_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  0.0000  0.4421  1.0
  Hg  Hg1  2  0.0000  0.0000  0.0670  1.0
  Hg  Hg2  2  0.0000  0.5000  0.6881  1.0
  Sb  Sb3  2  0.0000  0.0000  0.8265  1.0
  Pb  Pb4  2  0.0000  0.5000  0.1884  1.0
]