data_[Mg4Cd12Ag4Hg4]
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
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.2919]
_cell_length_b [14.9051]
_cell_length_c [10.6488]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [MgCd3AgHg]
_chemical_formula_sum '[Mg4 Cd12 Ag4 Hg4]'
_cell_volume [522.4971]
_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  0.4481  0.7500  1.0
  Cd  Cd1  8  0.0000  0.3371  0.0016  1.0
  Cd  Cd2  4  0.0000  0.1119  0.7500  1.0
  Ag  Ag3  4  0.0000  0.0000  0.0000  1.0
  Hg  Hg4  4  0.0000  0.2152  0.2500  1.0
]