data_[K8Hg4Te8H4]
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
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [7.9305]
_cell_length_b [13.7246]
_cell_length_c [7.1905]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [K2HgTe2H]
_chemical_formula_sum '[K8 Hg4 Te8 H4]'
_cell_volume [782.6311]
_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
[
  K  K0  8  0.1554  0.8727  0.5000  1
  Hg  Hg1  4  0.0000  0.5000  0.2500  1
  Te  Te2  8  0.2110  0.3871  0.0000  1
  H  H3  4  0.0000  0.0000  0.2500  1
]