The structure described by Ba2W2AlF11 crystallizes in the trigonal P3_2 space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 9-coordinate geometry to one F(1), one F(11), one F(2), one F(4), one F(6), one F(7), one F(8), and two equivalent F(5) atoms. In the second Ba site, Ba(2) is bonded in a 9-coordinate geometry to one F(1), one F(10), one F(2), one F(3), one F(4), one F(5), one F(7), one F(8), and one F(9) atom. There are two inequivalent W sites. In the first W site, W(1) is bonded in a distorted rectangular see-saw-like geometry to one F(1), one F(2), one F(4), and one F(6) atom. In the second W site, W(2) is bonded to one F(1), one F(10), one F(6), one F(8), and one F(9) atom to form WF5 square pyramids that share corners with two equivalent Al(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 49-56°. Al(1) is bonded to one F(10), one F(11), one F(3), one F(5), one F(7), and one F(9) atom to form AlF6 octahedra that share corners with two equivalent W(2)F5 square pyramids. There are eleven inequivalent F sites. In the first F site, F(10) is bonded in a distorted bent 120 degrees geometry to one Ba(2), one W(2), and one Al(1) atom. In the second F site, F(11) is bonded in a distorted linear geometry to one Ba(1) and one Al(1) atom. In the third F site, F(1) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), one W(1), and one W(2) atom. In the fourth F site, F(2) is bonded in a distorted trigonal planar geometry to one Ba(1), one Ba(2), and one W(1) atom. In the fifth F site, F(3) is bonded in a distorted single-bond geometry to one Ba(2) and one Al(1) atom. In the sixth F site, F(4) is bonded in a distorted trigonal planar geometry to one Ba(1), one Ba(2), and one W(1) atom. In the seventh F site, F(5) is bonded in a distorted single-bond geometry to one Ba(2), two equivalent Ba(1), and one Al(1) atom. In the eighth F site, F(6) is bonded in a distorted trigonal planar geometry to one Ba(1), one W(1), and one W(2) atom. In the ninth F site, F(7) is bonded in a distorted single-bond geometry to one Ba(1), one Ba(2), and one Al(1) atom. In the tenth F site, F(8) is bonded in a trigonal non-coplanar geometry to one Ba(1), one Ba(2), and one W(2) atom. In the eleventh F site, F(9) is bonded in a distorted trigonal planar geometry to one Ba(2), one W(2), and one Al(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba2AlW2F11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.720
_cell_length_b   7.720
_cell_length_c   15.174
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   783.267
_cell_formula_units_Z   3
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
  Ba  Ba0  1  0.849  0.848  0.652  1.0
  Ba  Ba1  1  0.504  0.137  0.790  1.0
  Ba  Ba2  1  0.998  0.151  0.985  1.0
  Ba  Ba3  1  0.863  0.367  0.457  1.0
  Ba  Ba4  1  0.633  0.496  0.124  1.0
  Ba  Ba5  1  0.152  0.002  0.319  1.0
  Al  Al6  1  0.517  0.683  0.872  1.0
  Al  Al7  1  0.166  0.483  0.205  1.0
  Al  Al8  1  0.317  0.834  0.539  1.0
  W  W9  1  0.968  0.660  0.893  1.0
  W  W10  1  0.094  0.421  0.728  1.0
  W  W11  1  0.579  0.674  0.395  1.0
  W  W12  1  0.692  0.032  0.226  1.0
  W  W13  1  0.326  0.906  0.062  1.0
  W  W14  1  0.340  0.308  0.560  1.0
  F  F15  1  0.010  0.760  0.030  1.0
  F  F16  1  0.811  0.343  0.918  1.0
  F  F17  1  0.750  0.990  0.364  1.0
  F  F18  1  0.481  0.072  0.485  1.0
  F  F19  1  0.844  0.871  0.196  1.0
  F  F20  1  0.170  0.266  0.156  1.0
  F  F21  1  0.928  0.409  0.152  1.0
  F  F22  1  0.734  0.903  0.822  1.0
  F  F23  1  0.027  0.156  0.529  1.0
  F  F24  1  0.643  0.048  0.086  1.0
  F  F25  1  0.591  0.519  0.818  1.0
  F  F26  1  0.240  0.250  0.697  1.0
  F  F27  1  0.661  0.718  0.973  1.0
  F  F28  1  0.375  0.188  0.019  1.0
  F  F29  1  0.057  0.339  0.306  1.0
  F  F30  1  0.657  0.468  0.585  1.0
  F  F31  1  0.440  0.861  0.911  1.0
  F  F32  1  0.405  0.357  0.420  1.0
  F  F33  1  0.328  0.706  0.433  1.0
  F  F34  1  0.282  0.943  0.639  1.0
  F  F35  1  0.378  0.672  0.767  1.0
  F  F36  1  0.812  0.187  0.685  1.0
  F  F37  1  0.813  0.625  0.352  1.0
  F  F38  1  0.421  0.560  0.245  1.0
  F  F39  1  0.952  0.595  0.753  1.0
  F  F40  1  0.129  0.973  0.862  1.0
  F  F41  1  0.532  0.189  0.252  1.0
  F  F42  1  0.294  0.472  0.915  1.0
  F  F43  1  0.177  0.706  0.249  1.0
  F  F44  1  0.294  0.622  0.100  1.0
  F  F45  1  0.097  0.830  0.489  1.0
  F  F46  1  0.139  0.579  0.578  1.0
  F  F47  1  0.528  0.823  0.582  1.0
[/CIF]
.
The structure described by Ba2W2AlF11 crystallizes in the trigonal P3_2 space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 9-coordinate geometry to one F(1), one F(11), one F(2), one F(4), one F(6), one F(7), one F(8), and two equivalent F(5) atoms. In the second Ba site, Ba(2) is bonded in a 9-coordinate geometry to one F(1), one F(10), one F(2), one F(3), one F(4), one F(5), one F(7), one F(8), and one F(9) atom. There are two inequivalent W sites. In the first W site, W(1) is bonded in a distorted rectangular see-saw-like geometry to one F(1), one F(2), one F(4), and one F(6) atom. In the second W site, W(2) is bonded to one F(1), one F(10), one F(6), one F(8), and one F(9) atom to form WF5 square pyramids that share corners with two equivalent Al(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 49-56°. Al(1) is bonded to one F(10), one F(11), one F(3), one F(5), one F(7), and one F(9) atom to form AlF6 octahedra that share corners with two equivalent W(2)F5 square pyramids. There are eleven inequivalent F sites. In the first F site, F(10) is bonded in a distorted bent 120 degrees geometry to one Ba(2), one W(2), and one Al(1) atom. In the second F site, F(11) is bonded in a distorted linear geometry to one Ba(1) and one Al(1) atom. In the third F site, F(1) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), one W(1), and one W(2) atom. In the fourth F site, F(2) is bonded in a distorted trigonal planar geometry to one Ba(1), one Ba(2), and one W(1) atom. In the fifth F site, F(3) is bonded in a distorted single-bond geometry to one Ba(2) and one Al(1) atom. In the sixth F site, F(4) is bonded in a distorted trigonal planar geometry to one Ba(1), one Ba(2), and one W(1) atom. In the seventh F site, F(5) is bonded in a distorted single-bond geometry to one Ba(2), two equivalent Ba(1), and one Al(1) atom. In the eighth F site, F(6) is bonded in a distorted trigonal planar geometry to one Ba(1), one W(1), and one W(2) atom. In the ninth F site, F(7) is bonded in a distorted single-bond geometry to one Ba(1), one Ba(2), and one Al(1) atom. In the tenth F site, F(8) is bonded in a trigonal non-coplanar geometry to one Ba(1), one Ba(2), and one W(2) atom. In the eleventh F site, F(9) is bonded in a distorted trigonal planar geometry to one Ba(2), one W(2), and one Al(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba2AlW2F11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.720
_cell_length_b   7.720
_cell_length_c   15.174
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   783.267
_cell_formula_units_Z   3
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
  Ba  Ba0  1  0.849  0.848  0.652  1.0
  Ba  Ba1  1  0.504  0.137  0.790  1.0
  Ba  Ba2  1  0.998  0.151  0.985  1.0
  Ba  Ba3  1  0.863  0.367  0.457  1.0
  Ba  Ba4  1  0.633  0.496  0.124  1.0
  Ba  Ba5  1  0.152  0.002  0.319  1.0
  Al  Al6  1  0.517  0.683  0.872  1.0
  Al  Al7  1  0.166  0.483  0.205  1.0
  Al  Al8  1  0.317  0.834  0.539  1.0
  W  W9  1  0.968  0.660  0.893  1.0
  W  W10  1  0.094  0.421  0.728  1.0
  W  W11  1  0.579  0.674  0.395  1.0
  W  W12  1  0.692  0.032  0.226  1.0
  W  W13  1  0.326  0.906  0.062  1.0
  W  W14  1  0.340  0.308  0.560  1.0
  F  F15  1  0.010  0.760  0.030  1.0
  F  F16  1  0.811  0.343  0.918  1.0
  F  F17  1  0.750  0.990  0.364  1.0
  F  F18  1  0.481  0.072  0.485  1.0
  F  F19  1  0.844  0.871  0.196  1.0
  F  F20  1  0.170  0.266  0.156  1.0
  F  F21  1  0.928  0.409  0.152  1.0
  F  F22  1  0.734  0.903  0.822  1.0
  F  F23  1  0.027  0.156  0.529  1.0
  F  F24  1  0.643  0.048  0.086  1.0
  F  F25  1  0.591  0.519  0.818  1.0
  F  F26  1  0.240  0.250  0.697  1.0
  F  F27  1  0.661  0.718  0.973  1.0
  F  F28  1  0.375  0.188  0.019  1.0
  F  F29  1  0.057  0.339  0.306  1.0
  F  F30  1  0.657  0.468  0.585  1.0
  F  F31  1  0.440  0.861  0.911  1.0
  F  F32  1  0.405  0.357  0.420  1.0
  F  F33  1  0.328  0.706  0.433  1.0
  F  F34  1  0.282  0.943  0.639  1.0
  F  F35  1  0.378  0.672  0.767  1.0
  F  F36  1  0.812  0.187  0.685  1.0
  F  F37  1  0.813  0.625  0.352  1.0
  F  F38  1  0.421  0.560  0.245  1.0
  F  F39  1  0.952  0.595  0.753  1.0
  F  F40  1  0.129  0.973  0.862  1.0
  F  F41  1  0.532  0.189  0.252  1.0
  F  F42  1  0.294  0.472  0.915  1.0
  F  F43  1  0.177  0.706  0.249  1.0
  F  F44  1  0.294  0.622  0.100  1.0
  F  F45  1  0.097  0.830  0.489  1.0
  F  F46  1  0.139  0.579  0.578  1.0
  F  F47  1  0.528  0.823  0.582  1.0
[/CIF]
.