data_[Pr8Sn8Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Sn  1.9600  1.4500  0.8300
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.9518]
_cell_length_b [4.8570]
_cell_length_c [11.2261]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.4003]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr2Sn2Hg]
_chemical_formula_sum '[Pr8 Sn8 Hg4]'
_cell_volume [583.7181]
_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
[
  Pr  Pr0  4  0.0701  0.0000  0.3585  1.0
  Pr  Pr1  4  0.1738  0.0000  0.0627  1.0
  Sn  Sn2  4  0.0015  0.5000  0.8671  1.0
  Sn  Sn3  4  0.1354  0.5000  0.5761  1.0
  Hg  Hg4  4  0.2190  0.0000  0.7415  1.0
]