data_[Sn2Hg2Sb2Pb6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sn  1.9600  1.4500  0.8300
  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 [P2_1/m]
_cell_length_a [9.1217]
_cell_length_b [4.4330]
_cell_length_c [9.4999]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.6830]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [SnHgSbPb3]
_chemical_formula_sum '[Sn2 Hg2 Sb2 Pb6]'
_cell_volume [367.9693]
_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
[
  Sn  Sn0  2  0.4770  0.2500  0.1154  1
  Hg  Hg1  2  0.4933  0.7500  0.3818  1
  Sb  Sb2  2  0.0390  0.2500  0.2544  1
  Pb  Pb3  2  0.1917  0.7500  0.0896  1
  Pb  Pb4  2  0.1928  0.7500  0.4992  1
  Pb  Pb5  2  0.2313  0.2500  0.7892  1
]