The material structure described by K2Bi3F11 crystallizes in the triclinic P1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded to one F(1), one F(4), and three equivalent F(2) atoms to form distorted corner-sharing KF5 trigonal bipyramids. In the second K site, K(2) is bonded in a 7-coordinate geometry to one F(7), three equivalent F(4), and three equivalent F(5) atoms. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 7-coordinate geometry to one F(10), one F(2), one F(6), two equivalent F(1), and two equivalent F(11) atoms. In the second Bi site, Bi(2) is bonded in a 7-coordinate geometry to one F(5), one F(8), one F(9), two equivalent F(3), and two equivalent F(7) atoms. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one F(10), one F(8), two equivalent F(6), and two equivalent F(9) atoms. There are eleven inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal non-coplanar geometry to one K(1) and two equivalent Bi(1) atoms. In the second F site, F(2) is bonded to three equivalent K(1) and one Bi(1) atom to form FK3Bi tetrahedra that share corners with six equivalent F(2)K3Bi tetrahedra and corners with three equivalent F(4)K4 trigonal pyramids. In the third F site, F(3) is bonded in a distorted bent 150 degrees geometry to two equivalent Bi(2) atoms. In the fourth F site, F(4) is bonded to one K(1) and three equivalent K(2) atoms to form FK4 trigonal pyramids that share corners with three equivalent F(2)K3Bi tetrahedra, corners with three equivalent F(5)K3Bi tetrahedra, corners with six equivalent F(4)K4 trigonal pyramids, and edges with three equivalent F(5)K3Bi tetrahedra. In the fifth F site, F(5) is bonded to three equivalent K(2) and one Bi(2) atom to form distorted FK3Bi tetrahedra that share corners with six equivalent F(5)K3Bi tetrahedra, corners with three equivalent F(4)K4 trigonal pyramids, and edges with three equivalent F(4)K4 trigonal pyramids. In the sixth F site, F(6) is bonded in a 3-coordinate geometry to one Bi(1) and two equivalent Bi(3) atoms. In the seventh F site, F(7) is bonded in a distorted trigonal non-coplanar geometry to one K(2) and two equivalent Bi(2) atoms. In the eighth F site, F(8) is bonded in a bent 120 degrees geometry to one Bi(2) and one Bi(3) atom. In the ninth F site, F(9) is bonded in a 2-coordinate geometry to one Bi(2) and two equivalent Bi(3) atoms. In the tenth F site, F(10) is bonded in a bent 120 degrees geometry to one Bi(1) and one Bi(3) atom. In the eleventh F site, F(11) is bonded in a bent 150 degrees geometry to two equivalent Bi(1) atoms. is represented by the CIF file [CIF]
data_K2Bi3F11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.255
_cell_length_b   4.294
_cell_length_c   17.658
_cell_angle_alpha   91.967
_cell_angle_beta   95.705
_cell_angle_gamma   116.591
_symmetry_Int_Tables_number   1
_cell_volume   285.954
_cell_formula_units_Z   1
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
  K  K0  1  0.446  0.766  0.198  1.0
  K  K1  1  0.741  0.599  0.397  1.0
  Bi  Bi2  1  0.938  0.978  0.005  1.0
  Bi  Bi3  1  0.142  0.277  0.600  1.0
  Bi  Bi4  1  0.522  0.089  0.799  1.0
  F  F5  1  0.415  0.760  0.046  1.0
  F  F6  1  0.064  0.085  0.132  1.0
  F  F7  1  0.576  0.091  0.626  1.0
  F  F8  1  0.362  0.918  0.328  1.0
  F  F9  1  0.125  0.285  0.479  1.0
  F  F10  1  0.096  0.071  0.861  1.0
  F  F11  1  0.873  0.717  0.563  1.0
  F  F12  1  0.052  0.915  0.713  1.0
  F  F13  1  0.387  0.564  0.751  1.0
  F  F14  1  0.486  0.778  0.899  1.0
  F  F15  1  0.726  0.392  0.990  1.0
[/CIF]
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The material structure described by K2Bi3F11 crystallizes in the triclinic P1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded to one F(1), one F(4), and three equivalent F(2) atoms to form distorted corner-sharing KF5 trigonal bipyramids. In the second K site, K(2) is bonded in a 7-coordinate geometry to one F(7), three equivalent F(4), and three equivalent F(5) atoms. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 7-coordinate geometry to one F(10), one F(2), one F(6), two equivalent F(1), and two equivalent F(11) atoms. In the second Bi site, Bi(2) is bonded in a 7-coordinate geometry to one F(5), one F(8), one F(9), two equivalent F(3), and two equivalent F(7) atoms. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one F(10), one F(8), two equivalent F(6), and two equivalent F(9) atoms. There are eleven inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal non-coplanar geometry to one K(1) and two equivalent Bi(1) atoms. In the second F site, F(2) is bonded to three equivalent K(1) and one Bi(1) atom to form FK3Bi tetrahedra that share corners with six equivalent F(2)K3Bi tetrahedra and corners with three equivalent F(4)K4 trigonal pyramids. In the third F site, F(3) is bonded in a distorted bent 150 degrees geometry to two equivalent Bi(2) atoms. In the fourth F site, F(4) is bonded to one K(1) and three equivalent K(2) atoms to form FK4 trigonal pyramids that share corners with three equivalent F(2)K3Bi tetrahedra, corners with three equivalent F(5)K3Bi tetrahedra, corners with six equivalent F(4)K4 trigonal pyramids, and edges with three equivalent F(5)K3Bi tetrahedra. In the fifth F site, F(5) is bonded to three equivalent K(2) and one Bi(2) atom to form distorted FK3Bi tetrahedra that share corners with six equivalent F(5)K3Bi tetrahedra, corners with three equivalent F(4)K4 trigonal pyramids, and edges with three equivalent F(4)K4 trigonal pyramids. In the sixth F site, F(6) is bonded in a 3-coordinate geometry to one Bi(1) and two equivalent Bi(3) atoms. In the seventh F site, F(7) is bonded in a distorted trigonal non-coplanar geometry to one K(2) and two equivalent Bi(2) atoms. In the eighth F site, F(8) is bonded in a bent 120 degrees geometry to one Bi(2) and one Bi(3) atom. In the ninth F site, F(9) is bonded in a 2-coordinate geometry to one Bi(2) and two equivalent Bi(3) atoms. In the tenth F site, F(10) is bonded in a bent 120 degrees geometry to one Bi(1) and one Bi(3) atom. In the eleventh F site, F(11) is bonded in a bent 150 degrees geometry to two equivalent Bi(1) atoms. is represented by the CIF file [CIF]
data_K2Bi3F11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.255
_cell_length_b   4.294
_cell_length_c   17.658
_cell_angle_alpha   91.967
_cell_angle_beta   95.705
_cell_angle_gamma   116.591
_symmetry_Int_Tables_number   1
_cell_volume   285.954
_cell_formula_units_Z   1
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
  K  K0  1  0.446  0.766  0.198  1.0
  K  K1  1  0.741  0.599  0.397  1.0
  Bi  Bi2  1  0.938  0.978  0.005  1.0
  Bi  Bi3  1  0.142  0.277  0.600  1.0
  Bi  Bi4  1  0.522  0.089  0.799  1.0
  F  F5  1  0.415  0.760  0.046  1.0
  F  F6  1  0.064  0.085  0.132  1.0
  F  F7  1  0.576  0.091  0.626  1.0
  F  F8  1  0.362  0.918  0.328  1.0
  F  F9  1  0.125  0.285  0.479  1.0
  F  F10  1  0.096  0.071  0.861  1.0
  F  F11  1  0.873  0.717  0.563  1.0
  F  F12  1  0.052  0.915  0.713  1.0
  F  F13  1  0.387  0.564  0.751  1.0
  F  F14  1  0.486  0.778  0.899  1.0
  F  F15  1  0.726  0.392  0.990  1.0
[/CIF]
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