data_[Li6Hg3Sb3Br18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Hg  2.0000  1.5000  1.2450
  Sb  2.0500  1.4500  0.8300
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [7.0052]
_cell_length_b [7.0052]
_cell_length_c [22.2903]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Li2HgSbBr6]
_chemical_formula_sum '[Li6 Hg3 Sb3 Br18]'
_cell_volume [947.3005]
_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
[
  Li  Li0  6  0.0000  0.0000  0.3298  1.0
  Hg  Hg1  3  -0.0000  0.0000  0.5000  1.0
  Sb  Sb2  3  0.0000  0.0000  0.0000  1.0
  Br  Br3  18  0.0000  0.6719  0.5964  1.0
]