The structure described by Y7O6F9 crystallizes in the monoclinic Pc space group. There are seven inequivalent Y sites. In the first Y site, Y(1) is bonded in a 7-coordinate geometry to one O(4), one O(6), two equivalent O(2), one F(1), one F(3), and one F(4) atom. In the second Y site, Y(2) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(6), one F(1), one F(3), one F(5), and two equivalent F(2) atoms. In the third Y site, Y(3) is bonded in a 7-coordinate geometry to one O(1), two equivalent O(4), one F(4), one F(6), one F(8), and one F(9) atom. In the fourth Y site, Y(4) is bonded in a 7-coordinate geometry to one O(1), one O(3), two equivalent O(5), one F(5), one F(7), and one F(8) atom. In the fifth Y site, Y(5) is bonded in a 7-coordinate geometry to one O(1), one O(5), one F(6), one F(8), one F(9), and two equivalent F(7) atoms. In the sixth Y site, Y(6) is bonded in a 7-coordinate geometry to one O(5), one O(6), two equivalent O(3), one F(1), one F(2), and one F(5) atom. In the seventh Y site, Y(7) is bonded in a 6-coordinate geometry to one O(2), one O(4), one F(3), one F(4), one F(6), and one F(9) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a trigonal non-coplanar geometry to one Y(3), one Y(4), and one Y(5) atom. In the second O site, O(2) is bonded to one Y(2), one Y(7), and two equivalent Y(1) atoms to form a mixture of distorted corner and edge-sharing OY4 tetrahedra. In the third O site, O(3) is bonded to one Y(2), one Y(4), and two equivalent Y(6) atoms to form distorted corner-sharing OY4 tetrahedra. In the fourth O site, O(4) is bonded to one Y(1), one Y(7), and two equivalent Y(3) atoms to form a mixture of distorted corner and edge-sharing OY4 trigonal pyramids. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Y(5), one Y(6), and two equivalent Y(4) atoms. In the sixth O site, O(6) is bonded in a trigonal non-coplanar geometry to one Y(1), one Y(2), and one Y(6) atom. There are nine inequivalent F sites. In the first F site, F(1) is bonded in a distorted T-shaped geometry to one Y(1), one Y(2), and one Y(6) atom. In the second F site, F(2) is bonded in a distorted T-shaped geometry to one Y(6) and two equivalent Y(2) atoms. In the third F site, F(3) is bonded in a 3-coordinate geometry to one Y(1), one Y(2), and one Y(7) atom. In the fourth F site, F(4) is bonded in a distorted trigonal non-coplanar geometry to one Y(1), one Y(3), and one Y(7) atom. In the fifth F site, F(5) is bonded in a T-shaped geometry to one Y(2), one Y(4), and one Y(6) atom. In the sixth F site, F(6) is bonded in a trigonal non-coplanar geometry to one Y(3), one Y(5), and one Y(7) atom. In the seventh F site, F(7) is bonded in a distorted L-shaped geometry to one Y(4) and two equivalent Y(5) atoms. In the eighth F site, F(8) is bonded in a distorted trigonal non-coplanar geometry to one Y(3), one Y(4), and one Y(5) atom. In the ninth F site, F(9) is bonded in a trigonal non-coplanar geometry to one Y(3), one Y(5), and one Y(7) atom. is represented by the CIF card [CIF]
data_Y7(O2F3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.427
_cell_length_b   7.930
_cell_length_c   13.228
_cell_angle_alpha   103.266
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   656.182
_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  1  0.381  0.229  0.109  1.0
  Y  Y1  1  0.168  0.757  0.949  1.0
  Y  Y2  1  0.382  0.587  0.370  1.0
  Y  Y3  1  0.309  0.692  0.661  1.0
  Y  Y4  1  0.196  0.992  0.536  1.0
  Y  Y5  1  0.343  0.118  0.842  1.0
  Y  Y6  1  0.162  0.885  0.237  1.0
  Y  Y7  1  0.838  0.385  0.237  1.0
  Y  Y8  1  0.657  0.618  0.842  1.0
  Y  Y9  1  0.804  0.492  0.536  1.0
  Y  Y10  1  0.691  0.192  0.661  1.0
  Y  Y11  1  0.618  0.087  0.370  1.0
  Y  Y12  1  0.832  0.257  0.949  1.0
  Y  Y13  1  0.619  0.729  0.109  1.0
  O  O14  1  0.578  0.270  0.517  1.0
  O  O15  1  0.334  0.936  0.110  1.0
  O  O16  1  0.612  0.313  0.822  1.0
  O  O17  1  0.529  0.280  0.275  1.0
  O  O18  1  0.599  0.549  0.672  1.0
  O  O19  1  0.557  0.119  0.973  1.0
  O  O20  1  0.443  0.619  0.973  1.0
  O  O21  1  0.471  0.780  0.275  1.0
  O  O22  1  0.401  0.049  0.672  1.0
  O  O23  1  0.666  0.436  0.110  1.0
  O  O24  1  0.388  0.813  0.822  1.0
  O  O25  1  0.422  0.770  0.517  1.0
  F  F26  1  0.800  0.821  0.983  1.0
  F  F27  1  0.070  0.019  0.927  1.0
  F  F28  1  0.990  0.688  0.127  1.0
  F  F29  1  0.175  0.473  0.234  1.0
  F  F30  1  0.007  0.665  0.777  1.0
  F  F31  1  0.103  0.773  0.381  1.0
  F  F32  1  0.015  0.826  0.617  1.0
  F  F33  1  0.147  0.518  0.498  1.0
  F  F34  1  0.262  0.083  0.385  1.0
  F  F35  1  0.738  0.583  0.385  1.0
  F  F36  1  0.853  0.018  0.498  1.0
  F  F37  1  0.897  0.273  0.381  1.0
  F  F38  1  0.985  0.326  0.617  1.0
  F  F39  1  0.825  0.973  0.234  1.0
  F  F40  1  0.993  0.165  0.777  1.0
  F  F41  1  0.930  0.519  0.927  1.0
  F  F42  1  0.010  0.188  0.127  1.0
  F  F43  1  0.200  0.321  0.983  1.0
[/CIF]
.
The structure described by Y7O6F9 crystallizes in the monoclinic Pc space group. There are seven inequivalent Y sites. In the first Y site, Y(1) is bonded in a 7-coordinate geometry to one O(4), one O(6), two equivalent O(2), one F(1), one F(3), and one F(4) atom. In the second Y site, Y(2) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(6), one F(1), one F(3), one F(5), and two equivalent F(2) atoms. In the third Y site, Y(3) is bonded in a 7-coordinate geometry to one O(1), two equivalent O(4), one F(4), one F(6), one F(8), and one F(9) atom. In the fourth Y site, Y(4) is bonded in a 7-coordinate geometry to one O(1), one O(3), two equivalent O(5), one F(5), one F(7), and one F(8) atom. In the fifth Y site, Y(5) is bonded in a 7-coordinate geometry to one O(1), one O(5), one F(6), one F(8), one F(9), and two equivalent F(7) atoms. In the sixth Y site, Y(6) is bonded in a 7-coordinate geometry to one O(5), one O(6), two equivalent O(3), one F(1), one F(2), and one F(5) atom. In the seventh Y site, Y(7) is bonded in a 6-coordinate geometry to one O(2), one O(4), one F(3), one F(4), one F(6), and one F(9) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a trigonal non-coplanar geometry to one Y(3), one Y(4), and one Y(5) atom. In the second O site, O(2) is bonded to one Y(2), one Y(7), and two equivalent Y(1) atoms to form a mixture of distorted corner and edge-sharing OY4 tetrahedra. In the third O site, O(3) is bonded to one Y(2), one Y(4), and two equivalent Y(6) atoms to form distorted corner-sharing OY4 tetrahedra. In the fourth O site, O(4) is bonded to one Y(1), one Y(7), and two equivalent Y(3) atoms to form a mixture of distorted corner and edge-sharing OY4 trigonal pyramids. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Y(5), one Y(6), and two equivalent Y(4) atoms. In the sixth O site, O(6) is bonded in a trigonal non-coplanar geometry to one Y(1), one Y(2), and one Y(6) atom. There are nine inequivalent F sites. In the first F site, F(1) is bonded in a distorted T-shaped geometry to one Y(1), one Y(2), and one Y(6) atom. In the second F site, F(2) is bonded in a distorted T-shaped geometry to one Y(6) and two equivalent Y(2) atoms. In the third F site, F(3) is bonded in a 3-coordinate geometry to one Y(1), one Y(2), and one Y(7) atom. In the fourth F site, F(4) is bonded in a distorted trigonal non-coplanar geometry to one Y(1), one Y(3), and one Y(7) atom. In the fifth F site, F(5) is bonded in a T-shaped geometry to one Y(2), one Y(4), and one Y(6) atom. In the sixth F site, F(6) is bonded in a trigonal non-coplanar geometry to one Y(3), one Y(5), and one Y(7) atom. In the seventh F site, F(7) is bonded in a distorted L-shaped geometry to one Y(4) and two equivalent Y(5) atoms. In the eighth F site, F(8) is bonded in a distorted trigonal non-coplanar geometry to one Y(3), one Y(4), and one Y(5) atom. In the ninth F site, F(9) is bonded in a trigonal non-coplanar geometry to one Y(3), one Y(5), and one Y(7) atom. is represented by the CIF card [CIF]
data_Y7(O2F3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.427
_cell_length_b   7.930
_cell_length_c   13.228
_cell_angle_alpha   103.266
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   656.182
_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  1  0.381  0.229  0.109  1.0
  Y  Y1  1  0.168  0.757  0.949  1.0
  Y  Y2  1  0.382  0.587  0.370  1.0
  Y  Y3  1  0.309  0.692  0.661  1.0
  Y  Y4  1  0.196  0.992  0.536  1.0
  Y  Y5  1  0.343  0.118  0.842  1.0
  Y  Y6  1  0.162  0.885  0.237  1.0
  Y  Y7  1  0.838  0.385  0.237  1.0
  Y  Y8  1  0.657  0.618  0.842  1.0
  Y  Y9  1  0.804  0.492  0.536  1.0
  Y  Y10  1  0.691  0.192  0.661  1.0
  Y  Y11  1  0.618  0.087  0.370  1.0
  Y  Y12  1  0.832  0.257  0.949  1.0
  Y  Y13  1  0.619  0.729  0.109  1.0
  O  O14  1  0.578  0.270  0.517  1.0
  O  O15  1  0.334  0.936  0.110  1.0
  O  O16  1  0.612  0.313  0.822  1.0
  O  O17  1  0.529  0.280  0.275  1.0
  O  O18  1  0.599  0.549  0.672  1.0
  O  O19  1  0.557  0.119  0.973  1.0
  O  O20  1  0.443  0.619  0.973  1.0
  O  O21  1  0.471  0.780  0.275  1.0
  O  O22  1  0.401  0.049  0.672  1.0
  O  O23  1  0.666  0.436  0.110  1.0
  O  O24  1  0.388  0.813  0.822  1.0
  O  O25  1  0.422  0.770  0.517  1.0
  F  F26  1  0.800  0.821  0.983  1.0
  F  F27  1  0.070  0.019  0.927  1.0
  F  F28  1  0.990  0.688  0.127  1.0
  F  F29  1  0.175  0.473  0.234  1.0
  F  F30  1  0.007  0.665  0.777  1.0
  F  F31  1  0.103  0.773  0.381  1.0
  F  F32  1  0.015  0.826  0.617  1.0
  F  F33  1  0.147  0.518  0.498  1.0
  F  F34  1  0.262  0.083  0.385  1.0
  F  F35  1  0.738  0.583  0.385  1.0
  F  F36  1  0.853  0.018  0.498  1.0
  F  F37  1  0.897  0.273  0.381  1.0
  F  F38  1  0.985  0.326  0.617  1.0
  F  F39  1  0.825  0.973  0.234  1.0
  F  F40  1  0.993  0.165  0.777  1.0
  F  F41  1  0.930  0.519  0.927  1.0
  F  F42  1  0.010  0.188  0.127  1.0
  F  F43  1  0.200  0.321  0.983  1.0
[/CIF]
.