data_[Y2Sn2O5]
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 [P4/mmm]
_cell_length_a [4.2492]
_cell_length_b [4.2492]
_cell_length_c [6.9316]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Y2Sn2O5]
_chemical_formula_sum '[Y2 Sn2 O5]'
_cell_volume [125.1539]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.0000  1
  Y  Y1  1  0.0000  0.0000  0.5000  1
  Sn  Sn2  2  0.5000  0.5000  0.2082  1
  O  O3  4  0.0000  0.5000  0.2417  1
  O  O4  1  0.5000  0.5000  0.5000  1
]