data_[Hg2Ge2P4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hg  2.0000  1.5000  1.2450
  Ge  2.0100  1.2500  0.7700
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.1553]
_cell_length_b [5.1769]
_cell_length_c [7.5869]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.6040]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [HgGe(PO4)2]
_chemical_formula_sum '[Hg2 Ge2 P4 O16]'
_cell_volume [317.4985]
_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
[
  Hg  Hg0  2  0.0000  0.0000  0.5000  1.0
  Ge  Ge1  2  0.0000  0.0000  0.0000  1.0
  P  P2  4  0.1696  0.5000  0.1993  1.0
  O  O3  8  0.0565  0.2554  0.1804  1.0
  O  O4  4  0.2159  0.0000  0.9448  1.0
  O  O5  4  0.2460  0.0000  0.6056  1.0
]