data_[Sr4Cd4Hg14]
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
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.3872]
_cell_length_b [10.3815]
_cell_length_c [5.7866]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.3760]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr2Cd2Hg7]
_chemical_formula_sum '[Sr4 Cd4 Hg14]'
_cell_volume [607.4589]
_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
[
  Sr  Sr0  4  0.0000  0.2147  0.0000  1
  Cd  Cd1  4  0.2285  0.5000  0.9861  1
  Hg  Hg2  8  0.1713  0.2494  0.6605  1
  Hg  Hg3  4  0.0936  0.5000  0.3422  1
  Hg  Hg4  2  0.0000  0.0000  0.5000  1
]