data_[K4Hg4Te2O12]
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
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.2019]
_cell_length_b [9.9149]
_cell_length_c [6.6966]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.4036]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Hg2TeO6]
_chemical_formula_sum '[K4 Hg4 Te2 O12]'
_cell_volume [380.7037]
_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
[
  K  K0  4  0.0000  0.1822  0.0000  1
  Hg  Hg1  4  0.0000  0.3336  0.5000  1
  Te  Te2  2  0.0000  0.0000  0.5000  1
  O  O3  8  0.1909  0.1414  0.6954  1
  O  O4  4  0.2149  0.0000  0.3379  1
]