The material described by K2V6Cu9CdO26 crystallizes in the monoclinic Pm space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 10-coordinate geometry to one O(19), one O(3), two equivalent O(10), two equivalent O(16), two equivalent O(20), and two equivalent O(9) atoms. In the second K site, K(2) is bonded in a 10-coordinate geometry to one O(20), one O(4), two equivalent O(10), two equivalent O(15), two equivalent O(19), and two equivalent O(9) atoms. There are six inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(7), and two equivalent O(9) atoms to form VO4 tetrahedra that share  a cornercorner with one Cd(1)O6 octahedra and corners with two equivalent Cu(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-75°. In the second V site, V(2) is bonded to one O(2), one O(8), and two equivalent O(10) atoms to form VO4 tetrahedra that share  a cornercorner with one Cu(7)O6 octahedra and corners with two equivalent Cd(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-71°. In the third V site, V(3) is bonded to one O(13), one O(19), and two equivalent O(15) atoms to form VO4 tetrahedra that share  a cornercorner with one Cd(1)O6 octahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid, and corners with two equivalent Cu(4)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 51°. In the fourth V site, V(4) is bonded to one O(14), one O(20), and two equivalent O(16) atoms to form VO4 tetrahedra that share  a cornercorner with one Cu(7)O6 octahedra,  a cornercorner with one Cu(2)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid, and corners with two equivalent Cu(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 41°. In the fifth V site, V(5) is bonded to one O(11), one O(3), and two equivalent O(5) atoms to form VO4 tetrahedra that share corners with two equivalent Cu(7)O6 octahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid, and corners with two equivalent Cu(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 36°. In the sixth V site, V(6) is bonded to one O(12), one O(4), and two equivalent O(6) atoms to form VO4 tetrahedra that share corners with two equivalent Cd(1)O6 octahedra,  a cornercorner with one Cu(2)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid, and corners with two equivalent Cu(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 34°. There are seven inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(11), one O(13), one O(17), and two equivalent O(6) atoms to form CuO5 trigonal bipyramids that share  a cornercorner with one V(3)O4 tetrahedra,  a cornercorner with one V(5)O4 tetrahedra, corners with two equivalent V(6)O4 tetrahedra,  an edgeedge with one Cd(1)O6 octahedra, and  an edgeedge with one Cu(3)O5 trigonal bipyramid. In the second Cu site, Cu(2) is bonded to one O(12), one O(14), one O(18), and two equivalent O(5) atoms to form CuO5 trigonal bipyramids that share  a cornercorner with one V(4)O4 tetrahedra,  a cornercorner with one V(6)O4 tetrahedra, corners with two equivalent V(5)O4 tetrahedra,  an edgeedge with one Cu(7)O6 octahedra, and  an edgeedge with one Cu(4)O5 trigonal bipyramid. In the third Cu site, Cu(3) is bonded to one O(13), one O(17), one O(3), and two equivalent O(16) atoms to form distorted CuO5 trigonal bipyramids that share  a cornercorner with one V(3)O4 tetrahedra,  a cornercorner with one V(5)O4 tetrahedra, corners with two equivalent V(4)O4 tetrahedra, and  an edgeedge with one Cu(1)O5 trigonal bipyramid. In the fourth Cu site, Cu(4) is bonded to one O(14), one O(18), one O(4), and two equivalent O(15) atoms to form CuO5 trigonal bipyramids that share  a cornercorner with one V(4)O4 tetrahedra,  a cornercorner with one V(6)O4 tetrahedra, corners with two equivalent V(3)O4 tetrahedra, and  an edgeedge with one Cu(2)O5 trigonal bipyramid. In the fifth Cu site, Cu(5) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(15), one O(18), one O(6), and one O(8) atom. In the sixth Cu site, Cu(6) is bonded in a 6-coordinate geometry to one O(12), one O(16), one O(17), one O(2), one O(5), and one O(7) atom. In the seventh Cu site, Cu(7) is bonded to one O(2), one O(20), two equivalent O(5), and two equivalent O(9) atoms to form distorted CuO6 octahedra that share  a cornercorner with one V(2)O4 tetrahedra,  a cornercorner with one V(4)O4 tetrahedra, corners with two equivalent V(1)O4 tetrahedra, corners with two equivalent V(5)O4 tetrahedra, and  an edgeedge with one Cu(2)O5 trigonal bipyramid. Cd(1) is bonded to one O(1), one O(19), two equivalent O(10), and two equivalent O(6) atoms to form CdO6 octahedra that share  a cornercorner with one V(1)O4 tetrahedra,  a cornercorner with one V(3)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra, corners with two equivalent V(6)O4 tetrahedra, and  an edgeedge with one Cu(1)O5 trigonal bipyramid. There are twenty inequivalent O sites. In the first O site, O(1) is bonded to one V(1), two equivalent Cu(5), and one Cd(1) atom to form distorted corner-sharing OVCdCu2 trigonal pyramids. In the second O site, O(2) is bonded to one V(2), one Cu(7), and two equivalent Cu(6) atoms to form corner-sharing OVCu3 tetrahedra. In the third O site, O(3) is bonded in a distorted linear geometry to one K(1), one V(5), and one Cu(3) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one K(2), one V(6), and one Cu(4) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one V(5), one Cu(2), one Cu(6), and one Cu(7) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one V(6), one Cu(1), one Cu(5), and one Cd(1) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one V(1) and two equivalent Cu(6) atoms. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one V(2) and two equivalent Cu(5) atoms. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one K(1), one K(2), one V(1), and one Cu(7) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one K(1), one K(2), one V(2), and one Cd(1) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one V(5), one Cu(1), and two equivalent Cu(5) atoms. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one V(6), one Cu(2), and two equivalent Cu(6) atoms. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one V(3), one Cu(1), and one Cu(3) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one V(4), one Cu(2), and one Cu(4) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one K(2), one V(3), one Cu(4), and one Cu(5) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one K(1), one V(4), one Cu(3), and one Cu(6) atom. In the seventeenth O site, O(17) is bonded to one Cu(1), one Cu(3), and two equivalent Cu(6) atoms to form distorted corner-sharing OCu4 trigonal pyramids. In the eighteenth O site, O(18) is bonded to one Cu(2), one Cu(4), and two equivalent Cu(5) atoms to form distorted corner-sharing OCu4 trigonal pyramids. In the nineteenth O site, O(19) is bonded in a 2-coordinate geometry to one K(1), two equivalent K(2), one V(3), and one Cd(1) atom. In the twentieth O site, O(20) is bonded in a 2-coordinate geometry to one K(2), two equivalent K(1), one V(4), and one Cu(7) atom. is represented by the CIF card [CIF]
data_K2V6CdCu9O26
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.223
_cell_length_b   8.364
_cell_length_c   10.925
_cell_angle_alpha   97.672
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   563.511
_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  0.250  0.988  0.606  1.0
  K  K1  1  0.750  0.017  0.399  1.0
  V  V2  1  0.250  0.362  0.500  1.0
  V  V3  1  0.750  0.633  0.505  1.0
  V  V4  1  0.250  0.035  0.207  1.0
  V  V5  1  0.750  0.972  0.789  1.0
  V  V6  1  0.250  0.321  0.880  1.0
  V  V7  1  0.750  0.678  0.120  1.0
  Cd  Cd8  1  0.250  0.693  0.364  1.0
  Cu  Cu9  1  0.250  0.643  0.060  1.0
  Cu  Cu10  1  0.750  0.356  0.936  1.0
  Cu  Cu11  1  0.250  0.896  0.896  1.0
  Cu  Cu12  1  0.750  0.104  0.104  1.0
  Cu  Cu13  1  0.504  0.390  0.225  1.0
  Cu  Cu14  1  0.999  0.606  0.774  1.0
  Cu  Cu15  1  0.501  0.606  0.774  1.0
  Cu  Cu16  1  0.996  0.390  0.225  1.0
  Cu  Cu17  1  0.750  0.301  0.631  1.0
  O  O18  1  0.250  0.421  0.335  1.0
  O  O19  1  0.750  0.547  0.663  1.0
  O  O20  1  0.250  0.117  0.878  1.0
  O  O21  1  0.750  0.881  0.120  1.0
  O  O22  1  0.492  0.380  0.807  1.0
  O  O23  1  0.992  0.622  0.194  1.0
  O  O24  1  0.508  0.622  0.194  1.0
  O  O25  1  0.008  0.380  0.807  1.0
  O  O26  1  0.250  0.528  0.606  1.0
  O  O27  1  0.750  0.476  0.389  1.0
  O  O28  1  0.477  0.252  0.525  1.0
  O  O29  1  0.967  0.754  0.488  1.0
  O  O30  1  0.533  0.754  0.488  1.0
  O  O31  1  0.023  0.252  0.525  1.0
  O  O32  1  0.250  0.410  0.033  1.0
  O  O33  1  0.750  0.588  0.966  1.0
  O  O34  1  0.250  0.880  0.079  1.0
  O  O35  1  0.750  0.121  0.921  1.0
  O  O36  1  0.483  0.156  0.212  1.0
  O  O37  1  0.977  0.842  0.784  1.0
  O  O38  1  0.523  0.842  0.784  1.0
  O  O39  1  0.017  0.156  0.212  1.0
  O  O40  1  0.250  0.658  0.878  1.0
  O  O41  1  0.750  0.344  0.115  1.0
  O  O42  1  0.250  0.951  0.340  1.0
  O  O43  1  0.750  0.075  0.664  1.0
[/CIF]
.
The material described by K2V6Cu9CdO26 crystallizes in the monoclinic Pm space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 10-coordinate geometry to one O(19), one O(3), two equivalent O(10), two equivalent O(16), two equivalent O(20), and two equivalent O(9) atoms. In the second K site, K(2) is bonded in a 10-coordinate geometry to one O(20), one O(4), two equivalent O(10), two equivalent O(15), two equivalent O(19), and two equivalent O(9) atoms. There are six inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(7), and two equivalent O(9) atoms to form VO4 tetrahedra that share  a cornercorner with one Cd(1)O6 octahedra and corners with two equivalent Cu(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-75°. In the second V site, V(2) is bonded to one O(2), one O(8), and two equivalent O(10) atoms to form VO4 tetrahedra that share  a cornercorner with one Cu(7)O6 octahedra and corners with two equivalent Cd(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-71°. In the third V site, V(3) is bonded to one O(13), one O(19), and two equivalent O(15) atoms to form VO4 tetrahedra that share  a cornercorner with one Cd(1)O6 octahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid, and corners with two equivalent Cu(4)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 51°. In the fourth V site, V(4) is bonded to one O(14), one O(20), and two equivalent O(16) atoms to form VO4 tetrahedra that share  a cornercorner with one Cu(7)O6 octahedra,  a cornercorner with one Cu(2)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid, and corners with two equivalent Cu(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 41°. In the fifth V site, V(5) is bonded to one O(11), one O(3), and two equivalent O(5) atoms to form VO4 tetrahedra that share corners with two equivalent Cu(7)O6 octahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid, and corners with two equivalent Cu(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 36°. In the sixth V site, V(6) is bonded to one O(12), one O(4), and two equivalent O(6) atoms to form VO4 tetrahedra that share corners with two equivalent Cd(1)O6 octahedra,  a cornercorner with one Cu(2)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid, and corners with two equivalent Cu(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 34°. There are seven inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(11), one O(13), one O(17), and two equivalent O(6) atoms to form CuO5 trigonal bipyramids that share  a cornercorner with one V(3)O4 tetrahedra,  a cornercorner with one V(5)O4 tetrahedra, corners with two equivalent V(6)O4 tetrahedra,  an edgeedge with one Cd(1)O6 octahedra, and  an edgeedge with one Cu(3)O5 trigonal bipyramid. In the second Cu site, Cu(2) is bonded to one O(12), one O(14), one O(18), and two equivalent O(5) atoms to form CuO5 trigonal bipyramids that share  a cornercorner with one V(4)O4 tetrahedra,  a cornercorner with one V(6)O4 tetrahedra, corners with two equivalent V(5)O4 tetrahedra,  an edgeedge with one Cu(7)O6 octahedra, and  an edgeedge with one Cu(4)O5 trigonal bipyramid. In the third Cu site, Cu(3) is bonded to one O(13), one O(17), one O(3), and two equivalent O(16) atoms to form distorted CuO5 trigonal bipyramids that share  a cornercorner with one V(3)O4 tetrahedra,  a cornercorner with one V(5)O4 tetrahedra, corners with two equivalent V(4)O4 tetrahedra, and  an edgeedge with one Cu(1)O5 trigonal bipyramid. In the fourth Cu site, Cu(4) is bonded to one O(14), one O(18), one O(4), and two equivalent O(15) atoms to form CuO5 trigonal bipyramids that share  a cornercorner with one V(4)O4 tetrahedra,  a cornercorner with one V(6)O4 tetrahedra, corners with two equivalent V(3)O4 tetrahedra, and  an edgeedge with one Cu(2)O5 trigonal bipyramid. In the fifth Cu site, Cu(5) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(15), one O(18), one O(6), and one O(8) atom. In the sixth Cu site, Cu(6) is bonded in a 6-coordinate geometry to one O(12), one O(16), one O(17), one O(2), one O(5), and one O(7) atom. In the seventh Cu site, Cu(7) is bonded to one O(2), one O(20), two equivalent O(5), and two equivalent O(9) atoms to form distorted CuO6 octahedra that share  a cornercorner with one V(2)O4 tetrahedra,  a cornercorner with one V(4)O4 tetrahedra, corners with two equivalent V(1)O4 tetrahedra, corners with two equivalent V(5)O4 tetrahedra, and  an edgeedge with one Cu(2)O5 trigonal bipyramid. Cd(1) is bonded to one O(1), one O(19), two equivalent O(10), and two equivalent O(6) atoms to form CdO6 octahedra that share  a cornercorner with one V(1)O4 tetrahedra,  a cornercorner with one V(3)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra, corners with two equivalent V(6)O4 tetrahedra, and  an edgeedge with one Cu(1)O5 trigonal bipyramid. There are twenty inequivalent O sites. In the first O site, O(1) is bonded to one V(1), two equivalent Cu(5), and one Cd(1) atom to form distorted corner-sharing OVCdCu2 trigonal pyramids. In the second O site, O(2) is bonded to one V(2), one Cu(7), and two equivalent Cu(6) atoms to form corner-sharing OVCu3 tetrahedra. In the third O site, O(3) is bonded in a distorted linear geometry to one K(1), one V(5), and one Cu(3) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one K(2), one V(6), and one Cu(4) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one V(5), one Cu(2), one Cu(6), and one Cu(7) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one V(6), one Cu(1), one Cu(5), and one Cd(1) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one V(1) and two equivalent Cu(6) atoms. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one V(2) and two equivalent Cu(5) atoms. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one K(1), one K(2), one V(1), and one Cu(7) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one K(1), one K(2), one V(2), and one Cd(1) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one V(5), one Cu(1), and two equivalent Cu(5) atoms. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one V(6), one Cu(2), and two equivalent Cu(6) atoms. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one V(3), one Cu(1), and one Cu(3) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one V(4), one Cu(2), and one Cu(4) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one K(2), one V(3), one Cu(4), and one Cu(5) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one K(1), one V(4), one Cu(3), and one Cu(6) atom. In the seventeenth O site, O(17) is bonded to one Cu(1), one Cu(3), and two equivalent Cu(6) atoms to form distorted corner-sharing OCu4 trigonal pyramids. In the eighteenth O site, O(18) is bonded to one Cu(2), one Cu(4), and two equivalent Cu(5) atoms to form distorted corner-sharing OCu4 trigonal pyramids. In the nineteenth O site, O(19) is bonded in a 2-coordinate geometry to one K(1), two equivalent K(2), one V(3), and one Cd(1) atom. In the twentieth O site, O(20) is bonded in a 2-coordinate geometry to one K(2), two equivalent K(1), one V(4), and one Cu(7) atom. is represented by the CIF card [CIF]
data_K2V6CdCu9O26
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.223
_cell_length_b   8.364
_cell_length_c   10.925
_cell_angle_alpha   97.672
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   563.511
_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  0.250  0.988  0.606  1.0
  K  K1  1  0.750  0.017  0.399  1.0
  V  V2  1  0.250  0.362  0.500  1.0
  V  V3  1  0.750  0.633  0.505  1.0
  V  V4  1  0.250  0.035  0.207  1.0
  V  V5  1  0.750  0.972  0.789  1.0
  V  V6  1  0.250  0.321  0.880  1.0
  V  V7  1  0.750  0.678  0.120  1.0
  Cd  Cd8  1  0.250  0.693  0.364  1.0
  Cu  Cu9  1  0.250  0.643  0.060  1.0
  Cu  Cu10  1  0.750  0.356  0.936  1.0
  Cu  Cu11  1  0.250  0.896  0.896  1.0
  Cu  Cu12  1  0.750  0.104  0.104  1.0
  Cu  Cu13  1  0.504  0.390  0.225  1.0
  Cu  Cu14  1  0.999  0.606  0.774  1.0
  Cu  Cu15  1  0.501  0.606  0.774  1.0
  Cu  Cu16  1  0.996  0.390  0.225  1.0
  Cu  Cu17  1  0.750  0.301  0.631  1.0
  O  O18  1  0.250  0.421  0.335  1.0
  O  O19  1  0.750  0.547  0.663  1.0
  O  O20  1  0.250  0.117  0.878  1.0
  O  O21  1  0.750  0.881  0.120  1.0
  O  O22  1  0.492  0.380  0.807  1.0
  O  O23  1  0.992  0.622  0.194  1.0
  O  O24  1  0.508  0.622  0.194  1.0
  O  O25  1  0.008  0.380  0.807  1.0
  O  O26  1  0.250  0.528  0.606  1.0
  O  O27  1  0.750  0.476  0.389  1.0
  O  O28  1  0.477  0.252  0.525  1.0
  O  O29  1  0.967  0.754  0.488  1.0
  O  O30  1  0.533  0.754  0.488  1.0
  O  O31  1  0.023  0.252  0.525  1.0
  O  O32  1  0.250  0.410  0.033  1.0
  O  O33  1  0.750  0.588  0.966  1.0
  O  O34  1  0.250  0.880  0.079  1.0
  O  O35  1  0.750  0.121  0.921  1.0
  O  O36  1  0.483  0.156  0.212  1.0
  O  O37  1  0.977  0.842  0.784  1.0
  O  O38  1  0.523  0.842  0.784  1.0
  O  O39  1  0.017  0.156  0.212  1.0
  O  O40  1  0.250  0.658  0.878  1.0
  O  O41  1  0.750  0.344  0.115  1.0
  O  O42  1  0.250  0.951  0.340  1.0
  O  O43  1  0.750  0.075  0.664  1.0
[/CIF]
.