data_[Y6Sn6O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P6_3cm]
_cell_length_a [6.4271]
_cell_length_b [6.4271]
_cell_length_c [12.5764]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [185]
_chemical_formula_structural [YSnO3]
_chemical_formula_sum '[Y6 Sn6 O18]'
_cell_volume [449.9021]
_cell_formula_units_Z [6]
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  0.3333  0.6667  0.2368  1
  Y  Y1  2  0.0000  0.0000  0.2689  1
  Sn  Sn2  6  0.0000  0.3331  0.0005  1
  O  O3  6  0.0000  0.3091  0.1740  1
  O  O4  6  0.0000  0.3596  0.8288  1
  O  O5  4  0.3333  0.6667  0.0257  1
  O  O6  2  0.0000  0.0000  0.4713  1
]