data_[Mg8Cd4Hg20Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  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 [Cmc2_1]
_cell_length_a [3.6545]
_cell_length_b [17.1916]
_cell_length_c [14.5291]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Mg2CdHg5Pb]
_chemical_formula_sum '[Mg8 Cd4 Hg20 Pb4]'
_cell_volume [912.8135]
_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
[
  Mg  Mg0  4  0.0000  0.0619  0.3253  1.0
  Mg  Mg1  4  0.0000  0.1852  0.6452  1.0
  Cd  Cd2  4  0.0000  0.4589  0.4598  1.0
  Hg  Hg3  4  0.0000  0.0016  0.6234  1.0
  Hg  Hg4  4  0.0000  0.2431  0.3262  1.0
  Hg  Hg5  4  0.0000  0.3538  0.6921  1.0
  Hg  Hg6  4  0.0000  0.3722  0.9818  1.0
  Hg  Hg7  4  0.0000  0.4118  0.2655  1.0
  Pb  Pb8  4  0.0000  0.1917  0.0047  1.0
]