data_[Sr2Cd1Hg1Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [5.1217]
_cell_length_b [5.1217]
_cell_length_c [8.2600]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [Sr2CdHgPb2]
_chemical_formula_sum '[Sr2 Cd1 Hg1 Pb2]'
_cell_volume [187.6449]
_cell_formula_units_Z [1]
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  1  0.3333  0.6667  0.2431  1
  Sr  Sr1  1  0.3333  0.6667  0.7476  1
  Cd  Cd2  1  0.0000  0.0000  0.5464  1
  Hg  Hg3  1  0.6667  0.3333  0.0500  1
  Pb  Pb4  1  0.0000  0.0000  0.9539  1
  Pb  Pb5  1  0.6667  0.3333  0.4589  1
]