data_[Nd4Cd12Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [9.2170]
_cell_length_b [4.5404]
_cell_length_c [12.2315]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [NdCd3Hg]
_chemical_formula_sum '[Nd4 Cd12 Hg4]'
_cell_volume [511.8770]
_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
[
  Nd  Nd0  4  0.1913  0.2500  0.0026  1.0
  Cd  Cd1  4  0.0903  0.2500  0.3802  1.0
  Cd  Cd2  4  0.0964  0.7500  0.1963  1.0
  Cd  Cd3  4  0.1160  0.7500  0.8066  1.0
  Hg  Hg4  4  0.1105  0.2500  0.6184  1.0
]