The compound described by Sn2OF2 crystallizes in the tetragonal P4_2/nmc space group. Sn(1) is bonded to two equivalent O(1) and four equivalent F(1) atoms to form a mixture of distorted edge and corner-sharing SnO2F4 pentagonal pyramids. O(1) is bonded to four equivalent Sn(1) atoms to form OSn4 tetrahedra that share corners with eight equivalent F(1)Sn4 trigonal pyramids, edges with two equivalent O(1)Sn4 tetrahedra, and edges with four equivalent F(1)Sn4 trigonal pyramids. F(1) is bonded to four equivalent Sn(1) atoms to form distorted FSn4 trigonal pyramids that share corners with four equivalent O(1)Sn4 tetrahedra, corners with eight equivalent F(1)Sn4 trigonal pyramids, edges with two equivalent O(1)Sn4 tetrahedra, and edges with two equivalent F(1)Sn4 trigonal pyramids. is represented by the CIF file [CIF]
data_Sn2OF2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.041
_cell_length_b   8.041
_cell_length_c   5.646
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   365.050
_cell_formula_units_Z   4
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  1  0.000  0.275  0.309  1.0
  Sn  Sn1  1  0.775  0.500  0.809  1.0
  Sn  Sn2  1  0.225  0.500  0.809  1.0
  Sn  Sn3  1  0.000  0.725  0.309  1.0
  Sn  Sn4  1  0.500  0.775  0.191  1.0
  Sn  Sn5  1  0.275  0.000  0.691  1.0
  Sn  Sn6  1  0.725  0.000  0.691  1.0
  Sn  Sn7  1  0.500  0.225  0.191  1.0
  O  O8  1  0.000  0.500  0.102  1.0
  O  O9  1  0.000  0.500  0.602  1.0
  O  O10  1  0.500  0.000  0.898  1.0
  O  O11  1  0.500  0.000  0.398  1.0
  F  F12  1  0.296  0.296  0.500  1.0
  F  F13  1  0.704  0.296  0.500  1.0
  F  F14  1  0.296  0.704  0.500  1.0
  F  F15  1  0.704  0.704  0.500  1.0
  F  F16  1  0.796  0.796  0.000  1.0
  F  F17  1  0.204  0.796  0.000  1.0
  F  F18  1  0.796  0.204  0.000  1.0
  F  F19  1  0.204  0.204  0.000  1.0
[/CIF]
.
The compound described by Sn2OF2 crystallizes in the tetragonal P4_2/nmc space group. Sn(1) is bonded to two equivalent O(1) and four equivalent F(1) atoms to form a mixture of distorted edge and corner-sharing SnO2F4 pentagonal pyramids. O(1) is bonded to four equivalent Sn(1) atoms to form OSn4 tetrahedra that share corners with eight equivalent F(1)Sn4 trigonal pyramids, edges with two equivalent O(1)Sn4 tetrahedra, and edges with four equivalent F(1)Sn4 trigonal pyramids. F(1) is bonded to four equivalent Sn(1) atoms to form distorted FSn4 trigonal pyramids that share corners with four equivalent O(1)Sn4 tetrahedra, corners with eight equivalent F(1)Sn4 trigonal pyramids, edges with two equivalent O(1)Sn4 tetrahedra, and edges with two equivalent F(1)Sn4 trigonal pyramids. is represented by the CIF file [CIF]
data_Sn2OF2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.041
_cell_length_b   8.041
_cell_length_c   5.646
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   365.050
_cell_formula_units_Z   4
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  1  0.000  0.275  0.309  1.0
  Sn  Sn1  1  0.775  0.500  0.809  1.0
  Sn  Sn2  1  0.225  0.500  0.809  1.0
  Sn  Sn3  1  0.000  0.725  0.309  1.0
  Sn  Sn4  1  0.500  0.775  0.191  1.0
  Sn  Sn5  1  0.275  0.000  0.691  1.0
  Sn  Sn6  1  0.725  0.000  0.691  1.0
  Sn  Sn7  1  0.500  0.225  0.191  1.0
  O  O8  1  0.000  0.500  0.102  1.0
  O  O9  1  0.000  0.500  0.602  1.0
  O  O10  1  0.500  0.000  0.898  1.0
  O  O11  1  0.500  0.000  0.398  1.0
  F  F12  1  0.296  0.296  0.500  1.0
  F  F13  1  0.704  0.296  0.500  1.0
  F  F14  1  0.296  0.704  0.500  1.0
  F  F15  1  0.704  0.704  0.500  1.0
  F  F16  1  0.796  0.796  0.000  1.0
  F  F17  1  0.204  0.796  0.000  1.0
  F  F18  1  0.796  0.204  0.000  1.0
  F  F19  1  0.204  0.204  0.000  1.0
[/CIF]
.