data_[Pr16Hg4Ge4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Hg  2.0000  1.5000  1.2450
  Ge  2.0100  1.2500  0.7700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [6.8144]
_cell_length_b [16.2887]
_cell_length_c [6.8080]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Pr4HgGeO]
_chemical_formula_sum '[Pr16 Hg4 Ge4 O4]'
_cell_volume [755.6651]
_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  8  0.2500  0.2500  0.0000  1.0
  Pr  Pr1  4  0.0000  0.0704  0.2500  1.0
  Pr  Pr2  4  0.0000  0.4244  0.2500  1.0
  Hg  Hg3  4  0.0000  0.3865  0.7500  1.0
  Ge  Ge4  4  0.0000  0.1150  0.7500  1.0
  O  O5  4  0.0000  0.2559  0.2500  1.0
]