data_[Cs4Th2Si6O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Th  1.3000  1.8000  1.0800
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P6_3/m]
_cell_length_a [7.4465]
_cell_length_b [7.4465]
_cell_length_c [10.6749]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [176]
_chemical_formula_structural [Cs2Th(SiO3)3]
_chemical_formula_sum '[Cs4 Th2 Si6 O18]'
_cell_volume [512.6214]
_cell_formula_units_Z [2]
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
[
  Cs  Cs0  4  0.3333  0.6667  0.5637  1
  Th  Th1  2  0.0000  0.0000  0.0000  1
  Si  Si2  6  0.1400  0.7376  0.2500  1
  O  O3  12  0.0407  0.7651  0.1221  1
  O  O4  6  0.1025  0.4974  0.2500  1
]