data_[Sn2Se4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sn  1.9600  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [4.9136]
_cell_length_b [8.7203]
_cell_length_c [7.2258]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.1336]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Sn(SeO3)2]
_chemical_formula_sum '[Sn2 Se4 O12]'
_cell_volume [286.7995]
_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
[
  Sn  Sn0  2  0.5000  0.0000  0.0000  1.0
  Se  Se1  4  0.1378  0.1559  0.3040  1.0
  O  O2  4  0.1575  0.6583  0.4256  1.0
  O  O3  4  0.2153  0.1501  0.7923  1.0
  O  O4  4  0.4155  0.0697  0.2507  1.0
]