data_[Sr6Re3Hg3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Re  1.9000  1.3500  0.7125
  Hg  2.0000  1.5000  1.2450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [6.0514]
_cell_length_b [6.0514]
_cell_length_c [16.2453]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Sr2ReHgO6]
_chemical_formula_sum '[Sr6 Re3 Hg3 O18]'
_cell_volume [515.1921]
_cell_formula_units_Z [3]
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
[
  Sr  Sr0  3  0.0000  0.0000  0.0195  1
  Sr  Sr1  3  0.0000  0.0000  0.5291  1
  Re  Re2  3  0.0000  0.0000  0.3252  1
  Hg  Hg3  3  0.0000  0.0000  0.7576  1
  O  O4  9  0.0698  0.3966  0.9367  1
  O  O5  9  0.0861  0.6734  0.0733  1
]