data_[Sr4Hg12Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.4829]
_cell_length_b [5.3392]
_cell_length_c [6.9433]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.7797]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SrHg3Pb]
_chemical_formula_sum '[Sr4 Hg12 Pb4]'
_cell_volume [590.8337]
_cell_formula_units_Z [4]
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
[
  Sr  Sr0  4  0.1316  0.0000  0.9828  1.0
  Hg  Hg1  4  0.0913  0.0000  0.4473  1.0
  Hg  Hg2  4  0.1734  0.5000  0.6932  1.0
  Hg  Hg3  4  0.2184  0.5000  0.2683  1.0
  Pb  Pb4  4  0.0156  0.5000  0.2424  1.0
]