data_[Pm2Cd14Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  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 [11.9863]
_cell_length_b [5.9363]
_cell_length_c [10.3058]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.7870]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PmCd7Hg4]
_chemical_formula_sum '[Pm2 Cd14 Hg8]'
_cell_volume [623.3117]
_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
[
  Pm  Pm0  2  0.0000  0.0000  0.0000  1
  Cd  Cd1  4  0.0921  0.0000  0.4289  1
  Cd  Cd2  4  0.1938  0.5000  0.9145  1
  Cd  Cd3  4  0.2086  0.5000  0.6499  1
  Cd  Cd4  2  0.0000  0.5000  0.0000  1
  Hg  Hg5  4  0.0904  0.5000  0.3258  1
  Hg  Hg6  4  0.1880  0.0000  0.7617  1
]