data_[Eu8Hg4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Hg  2.0000  1.5000  1.2450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.9285]
_cell_length_b [3.7730]
_cell_length_c [10.3065]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.7479]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Eu2HgO4]
_chemical_formula_sum '[Eu8 Hg4 O16]'
_cell_volume [460.5911]
_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
[
  Eu  Eu0  4  0.1201  0.5000  0.4575  1.0
  Eu  Eu1  4  0.1634  0.0000  0.7983  1.0
  Hg  Hg2  4  0.1140  0.0000  0.1626  1.0
  O  O3  4  0.0355  0.0000  0.2815  1.0
  O  O4  4  0.0822  0.5000  0.6511  1.0
  O  O5  4  0.2047  0.0000  0.0590  1.0
  O  O6  4  0.2315  0.0000  0.6117  1.0
]