data_[Pr14Nd2Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.1110]
_cell_length_b [5.9410]
_cell_length_c [10.1634]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.9470]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr7NdHg4]
_chemical_formula_sum '[Pr14 Nd2 Hg8]'
_cell_volume [765.6693]
_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
[
  Pr  Pr0  4  0.0629  0.0000  0.4013  1
  Pr  Pr1  4  0.2097  0.0000  0.8912  1
  Pr  Pr2  4  0.2296  0.5000  0.6815  1
  Pr  Pr3  2  0.0000  0.5000  0.0000  1
  Nd  Nd4  2  0.0000  0.0000  0.0000  1
  Hg  Hg5  4  0.0448  0.5000  0.7272  1
  Hg  Hg6  4  0.1895  0.5000  0.3432  1
]