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 [9.3458]
_cell_length_b [4.3317]
_cell_length_c [9.4852]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.0470]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [SnHgSbPb3]
_chemical_formula_sum '[Sn2 Hg2 Sb2 Pb6]'
_cell_volume [370.8217]
_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  0.4786  0.7500  0.1142  1.0
  Hg  Hg1  2  0.4958  0.2500  0.3836  1.0
  Sb  Sb2  2  0.0355  0.7500  0.2533  1.0
  Pb  Pb3  2  0.1918  0.2500  0.0885  1.0
  Pb  Pb4  2  0.1932  0.2500  0.4973  1.0
  Pb  Pb5  2  0.2294  0.7500  0.7913  1.0
]