data_[Ca2Pr8Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Pr  1.1300  1.8500  1.0600
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P4_2/n]
_cell_length_a [10.0053]
_cell_length_b [10.0053]
_cell_length_c [6.1859]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [86]
_chemical_formula_structural [Ca(PrHg)4]
_chemical_formula_sum '[Ca2 Pr8 Hg8]'
_cell_volume [619.2394]
_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
[
  Ca  Ca0  2  0.0000  0.0000  0.0000  1
  Pr  Pr1  8  0.0898  0.3357  0.5988  1
  Hg  Hg2  8  0.1344  0.2693  0.0986  1
]