data_[K3Hg6Mo3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Hg  2.0000  1.5000  1.2450
  Mo  2.1600  1.4500  0.7750
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.9653]
_cell_length_b [5.9653]
_cell_length_c [15.7276]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [KHg2MoO6]
_chemical_formula_sum '[K3 Hg6 Mo3 O18]'
_cell_volume [484.6799]
_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
[
  K  K0  3  0.0000  0.0000  0.1912  1
  Hg  Hg1  3  0.0000  0.0000  0.4764  1
  Hg  Hg2  3  0.0000  0.0000  0.9410  1
  Mo  Mo3  3  0.0000  0.0000  0.6949  1
  O  O4  9  0.0400  0.7747  0.5981  1
  O  O5  9  0.0662  0.3854  0.4137  1
]