data_[Y4Tl4Si8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  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 [10.4157]
_cell_length_b [10.0360]
_cell_length_c [5.5007]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.9650]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [YTl(SiO3)2]
_chemical_formula_sum '[Y4 Tl4 Si8 O24]'
_cell_volume [562.5099]
_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
[
  Y  Y0  4  0.0000  0.3817  0.7500  1.0
  Tl  Tl1  4  0.0000  0.1822  0.2500  1.0
  Si  Si2  8  0.2194  0.0803  0.7976  1.0
  O  O3  8  0.1205  0.4369  0.1346  1.0
  O  O4  8  0.1527  0.2256  0.7485  1.0
  O  O5  8  0.1653  0.0081  0.0345  1.0
]