data_[Y4Sn2F16]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.1657]
_cell_length_b [3.7172]
_cell_length_c [5.6549]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.2468]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Y2SnF8]
_chemical_formula_sum '[Y4 Sn2 F16]'
_cell_volume [300.9725]
_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
[
  Y  Y0  4  0.1814  0.0000  0.6891  1.0
  Sn  Sn1  2  0.0000  0.5000  0.0000  1.0
  F  F2  4  0.0494  0.0000  0.7964  1.0
  F  F3  4  0.1033  0.5000  0.4651  1.0
  F  F4  4  0.1854  0.5000  0.9624  1.0
  F  F5  4  0.2155  0.0000  0.3303  1.0
]