data_[Hg8As12I4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hg  2.0000  1.5000  1.2450
  As  2.1800  1.1500  0.6600
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.5199]
_cell_length_b [9.6796]
_cell_length_c [8.3714]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.2237]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Hg2As3I]
_chemical_formula_sum '[Hg8 As12 I4]'
_cell_volume [684.9061]
_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
[
  Hg  Hg0  8  0.2261  0.3676  0.1610  1.0
  As  As1  8  0.1232  0.0599  0.4799  1.0
  As  As2  4  0.0000  0.2039  0.2500  1.0
  I  I3  4  0.0000  0.3674  0.7500  1.0
]