The compound described by Ba2Bi2F11 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 11-coordinate geometry to one F(1), one F(10), one F(11), one F(2), one F(3), one F(5), one F(6), one F(7), one F(8), and two equivalent F(4) 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 Bi sites. In the first Bi site, Bi(1) is bonded in a 7-coordinate geometry to one F(1), one F(2), one F(3), one F(4), one F(6), one F(7), and one F(9) atom. In the second Bi site, Bi(2) is bonded in an octahedral geometry to one F(1), one F(10), one F(11), one F(6), one F(8), and one F(9) atom. There are eleven inequivalent F sites. In the first F site, F(11) is bonded in a bent 150 degrees geometry to one Ba(1) and one Bi(2) atom. In the second F site, F(1) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Bi(1), and one Bi(2) atom. In the third F site, F(2) is bonded in a distorted trigonal non-coplanar geometry to one Ba(1), one Ba(2), and one Bi(1) atom. In the fourth F site, F(3) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), and one Bi(1) atom. In the fifth F site, F(4) is bonded in a 3-coordinate geometry to one Ba(2), two equivalent Ba(1), and one Bi(1) atom. In the sixth F site, F(5) is bonded in a bent 120 degrees geometry to one Ba(1) and one Ba(2) atom. In the seventh F site, F(6) is bonded in a 3-coordinate geometry to one Ba(1), one Bi(1), and one Bi(2) atom. In the eighth F site, F(7) is bonded in a distorted bent 120 degrees geometry to one Ba(1), one Ba(2), and one Bi(1) atom. In the ninth F site, F(8) is bonded in a distorted single-bond geometry to one Ba(1), one Ba(2), and one Bi(2) atom. In the tenth F site, F(9) is bonded in a distorted trigonal non-coplanar geometry to one Ba(2), one Bi(1), and one Bi(2) atom. In the eleventh F site, F(10) is bonded in a distorted trigonal planar geometry to one Ba(1), one Ba(2), and one Bi(2) atom. is represented by the CIF card [CIF]
data_Ba2Bi2F11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.887
_cell_length_b   7.887
_cell_length_c   15.397
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   829.503
_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  0.853  0.823  0.651  1.0
  Ba  Ba1  1  0.468  0.077  0.816  1.0
  Ba  Ba2  1  0.971  0.147  0.985  1.0
  Ba  Ba3  1  0.923  0.391  0.482  1.0
  Ba  Ba4  1  0.609  0.532  0.149  1.0
  Ba  Ba5  1  0.177  0.029  0.318  1.0
  Bi  Bi6  1  0.862  0.637  0.896  1.0
  Bi  Bi7  1  0.181  0.469  0.729  1.0
  Bi  Bi8  1  0.531  0.711  0.396  1.0
  Bi  Bi9  1  0.776  0.138  0.229  1.0
  Bi  Bi10  1  0.289  0.819  0.062  1.0
  Bi  Bi11  1  0.363  0.224  0.562  1.0
  F  F12  1  0.983  0.739  0.043  1.0
  F  F13  1  0.775  0.338  0.938  1.0
  F  F14  1  0.756  0.017  0.377  1.0
  F  F15  1  0.512  0.144  0.467  1.0
  F  F16  1  0.896  0.938  0.187  1.0
  F  F17  1  0.276  0.264  0.193  1.0
  F  F18  1  0.856  0.369  0.133  1.0
  F  F19  1  0.736  0.012  0.859  1.0
  F  F20  1  0.042  0.104  0.521  1.0
  F  F21  1  0.609  0.974  0.087  1.0
  F  F22  1  0.631  0.488  0.800  1.0
  F  F23  1  0.261  0.244  0.710  1.0
  F  F24  1  0.659  0.670  0.979  1.0
  F  F25  1  0.339  0.101  0.014  1.0
  F  F26  1  0.010  0.341  0.312  1.0
  F  F27  1  0.662  0.437  0.605  1.0
  F  F28  1  0.242  0.755  0.922  1.0
  F  F29  1  0.365  0.391  0.420  1.0
  F  F30  1  0.263  0.724  0.403  1.0
  F  F31  1  0.330  0.990  0.646  1.0
  F  F32  1  0.461  0.737  0.736  1.0
  F  F33  1  0.899  0.238  0.680  1.0
  F  F34  1  0.762  0.661  0.347  1.0
  F  F35  1  0.512  0.758  0.255  1.0
  F  F36  1  0.026  0.635  0.753  1.0
  F  F37  1  0.062  0.958  0.854  1.0
  F  F38  1  0.563  0.225  0.271  1.0
  F  F39  1  0.176  0.390  0.862  1.0
  F  F40  1  0.214  0.824  0.196  1.0
  F  F41  1  0.276  0.539  0.070  1.0
  F  F42  1  0.988  0.724  0.526  1.0
  F  F43  1  0.245  0.488  0.589  1.0
  F  F44  1  0.610  0.786  0.529  1.0
[/CIF]
.
The compound described by Ba2Bi2F11 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 11-coordinate geometry to one F(1), one F(10), one F(11), one F(2), one F(3), one F(5), one F(6), one F(7), one F(8), and two equivalent F(4) 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 Bi sites. In the first Bi site, Bi(1) is bonded in a 7-coordinate geometry to one F(1), one F(2), one F(3), one F(4), one F(6), one F(7), and one F(9) atom. In the second Bi site, Bi(2) is bonded in an octahedral geometry to one F(1), one F(10), one F(11), one F(6), one F(8), and one F(9) atom. There are eleven inequivalent F sites. In the first F site, F(11) is bonded in a bent 150 degrees geometry to one Ba(1) and one Bi(2) atom. In the second F site, F(1) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Bi(1), and one Bi(2) atom. In the third F site, F(2) is bonded in a distorted trigonal non-coplanar geometry to one Ba(1), one Ba(2), and one Bi(1) atom. In the fourth F site, F(3) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), and one Bi(1) atom. In the fifth F site, F(4) is bonded in a 3-coordinate geometry to one Ba(2), two equivalent Ba(1), and one Bi(1) atom. In the sixth F site, F(5) is bonded in a bent 120 degrees geometry to one Ba(1) and one Ba(2) atom. In the seventh F site, F(6) is bonded in a 3-coordinate geometry to one Ba(1), one Bi(1), and one Bi(2) atom. In the eighth F site, F(7) is bonded in a distorted bent 120 degrees geometry to one Ba(1), one Ba(2), and one Bi(1) atom. In the ninth F site, F(8) is bonded in a distorted single-bond geometry to one Ba(1), one Ba(2), and one Bi(2) atom. In the tenth F site, F(9) is bonded in a distorted trigonal non-coplanar geometry to one Ba(2), one Bi(1), and one Bi(2) atom. In the eleventh F site, F(10) is bonded in a distorted trigonal planar geometry to one Ba(1), one Ba(2), and one Bi(2) atom. is represented by the CIF card [CIF]
data_Ba2Bi2F11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.887
_cell_length_b   7.887
_cell_length_c   15.397
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   829.503
_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  0.853  0.823  0.651  1.0
  Ba  Ba1  1  0.468  0.077  0.816  1.0
  Ba  Ba2  1  0.971  0.147  0.985  1.0
  Ba  Ba3  1  0.923  0.391  0.482  1.0
  Ba  Ba4  1  0.609  0.532  0.149  1.0
  Ba  Ba5  1  0.177  0.029  0.318  1.0
  Bi  Bi6  1  0.862  0.637  0.896  1.0
  Bi  Bi7  1  0.181  0.469  0.729  1.0
  Bi  Bi8  1  0.531  0.711  0.396  1.0
  Bi  Bi9  1  0.776  0.138  0.229  1.0
  Bi  Bi10  1  0.289  0.819  0.062  1.0
  Bi  Bi11  1  0.363  0.224  0.562  1.0
  F  F12  1  0.983  0.739  0.043  1.0
  F  F13  1  0.775  0.338  0.938  1.0
  F  F14  1  0.756  0.017  0.377  1.0
  F  F15  1  0.512  0.144  0.467  1.0
  F  F16  1  0.896  0.938  0.187  1.0
  F  F17  1  0.276  0.264  0.193  1.0
  F  F18  1  0.856  0.369  0.133  1.0
  F  F19  1  0.736  0.012  0.859  1.0
  F  F20  1  0.042  0.104  0.521  1.0
  F  F21  1  0.609  0.974  0.087  1.0
  F  F22  1  0.631  0.488  0.800  1.0
  F  F23  1  0.261  0.244  0.710  1.0
  F  F24  1  0.659  0.670  0.979  1.0
  F  F25  1  0.339  0.101  0.014  1.0
  F  F26  1  0.010  0.341  0.312  1.0
  F  F27  1  0.662  0.437  0.605  1.0
  F  F28  1  0.242  0.755  0.922  1.0
  F  F29  1  0.365  0.391  0.420  1.0
  F  F30  1  0.263  0.724  0.403  1.0
  F  F31  1  0.330  0.990  0.646  1.0
  F  F32  1  0.461  0.737  0.736  1.0
  F  F33  1  0.899  0.238  0.680  1.0
  F  F34  1  0.762  0.661  0.347  1.0
  F  F35  1  0.512  0.758  0.255  1.0
  F  F36  1  0.026  0.635  0.753  1.0
  F  F37  1  0.062  0.958  0.854  1.0
  F  F38  1  0.563  0.225  0.271  1.0
  F  F39  1  0.176  0.390  0.862  1.0
  F  F40  1  0.214  0.824  0.196  1.0
  F  F41  1  0.276  0.539  0.070  1.0
  F  F42  1  0.988  0.724  0.526  1.0
  F  F43  1  0.245  0.488  0.589  1.0
  F  F44  1  0.610  0.786  0.529  1.0
[/CIF]
.