data_[Ho3Tl3Ga6I18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Tl  1.6200  1.9000  1.3325
  Ga  1.8100  1.3000  0.7600
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [8.2364]
_cell_length_b [8.2364]
_cell_length_c [22.4613]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [HoTl(GaI3)2]
_chemical_formula_sum '[Ho3 Tl3 Ga6 I18]'
_cell_volume [1319.5819]
_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
[
  Ho  Ho0  3  0.0000  0.0000  0.6732  1.0
  Tl  Tl1  3  0.0000  0.0000  0.1818  1.0
  Ga  Ga2  3  0.0000  0.0000  0.4880  1.0
  Ga  Ga3  3  0.0000  0.0000  0.9958  1.0
  I  I4  9  0.0133  0.3155  0.7452  1.0
  I  I5  9  0.0227  0.7211  0.5880  1.0
]