data_[Ho4Tl4Si8O24]
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
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.3797]
_cell_length_b [9.9688]
_cell_length_c [5.5048]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.1745]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [HoTl(SiO3)2]
_chemical_formula_sum '[Ho4 Tl4 Si8 O24]'
_cell_volume [556.7945]
_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
[
  Ho  Ho0  4  0.0000  0.3825  0.7500  1.0
  Tl  Tl1  4  0.0000  0.1840  0.2500  1.0
  Si  Si2  8  0.2192  0.0805  0.7990  1.0
  O  O3  8  0.1200  0.4380  0.1319  1.0
  O  O4  8  0.1525  0.2270  0.7496  1.0
  O  O5  8  0.1648  0.0080  0.0352  1.0
]