data_[Ag8Hg4Ge4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  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 [Fmm2]
_cell_length_a [6.9261]
_cell_length_b [6.9533]
_cell_length_c [10.7178]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [42]
_chemical_formula_structural [Ag2HgGeO4]
_chemical_formula_sum '[Ag8 Hg4 Ge4 O16]'
_cell_volume [516.1588]
_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
[
  Ag  Ag0  8  0.2500  0.2500  0.2497  1.0
  Hg  Hg1  4  0.0000  0.0000  0.9961  1.0
  Ge  Ge2  4  0.0000  0.0000  0.5014  1.0
  O  O3  8  0.0000  0.2060  0.4006  1.0
  O  O4  8  0.2081  0.0000  0.6008  1.0
]