KNa7V6Cr2O24 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Amm2 space group. K(1) is bonded to one O(5), one O(9), two equivalent O(7), four equivalent O(1), and four equivalent O(2) atoms to form KO12 cuboctahedra that share corners with four equivalent Na(4)O12 cuboctahedra, corners with eight equivalent Na(2)O12 cuboctahedra, faces with two equivalent Na(3)O12 cuboctahedra, faces with four equivalent Na(1)O12 cuboctahedra, faces with two equivalent V(2)O6 octahedra, faces with two equivalent Cr(1)O6 octahedra, and faces with four equivalent V(1)O6 octahedra. There are five inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(5), one O(9), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(7) atoms to form NaO12 cuboctahedra that share corners with four equivalent Na(1)O12 cuboctahedra, corners with four equivalent Na(3)O12 cuboctahedra, corners with four equivalent Na(5)O12 cuboctahedra, faces with two equivalent K(1)O12 cuboctahedra, faces with two equivalent Na(2)O12 cuboctahedra, faces with two equivalent Na(4)O12 cuboctahedra, faces with two equivalent V(2)O6 octahedra, faces with two equivalent Cr(1)O6 octahedra, and faces with four equivalent V(1)O6 octahedra. In the second Na site, Na(2) is bonded to one O(10), one O(6), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(8) atoms to form NaO12 cuboctahedra that share corners with four equivalent K(1)O12 cuboctahedra, corners with four equivalent Na(2)O12 cuboctahedra, corners with four equivalent Na(4)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, faces with two equivalent Na(3)O12 cuboctahedra, faces with two equivalent Na(5)O12 cuboctahedra, faces with two equivalent V(2)O6 octahedra, faces with two equivalent Cr(1)O6 octahedra, and faces with four equivalent V(1)O6 octahedra. In the third Na site, Na(3) is bonded to one O(10), one O(6), two equivalent O(8), four equivalent O(1), and four equivalent O(2) atoms to form NaO12 cuboctahedra that share corners with four equivalent Na(5)O12 cuboctahedra, corners with eight equivalent Na(1)O12 cuboctahedra, faces with two equivalent K(1)O12 cuboctahedra, faces with four equivalent Na(2)O12 cuboctahedra, faces with two equivalent V(2)O6 octahedra, faces with two equivalent Cr(1)O6 octahedra, and faces with four equivalent V(1)O6 octahedra. In the fourth Na site, Na(4) is bonded to one O(5), one O(9), two equivalent O(7), four equivalent O(3), and four equivalent O(4) atoms to form NaO12 cuboctahedra that share corners with four equivalent K(1)O12 cuboctahedra, corners with eight equivalent Na(2)O12 cuboctahedra, faces with two equivalent Na(5)O12 cuboctahedra, faces with four equivalent Na(1)O12 cuboctahedra, faces with two equivalent V(2)O6 octahedra, faces with two equivalent Cr(1)O6 octahedra, and faces with four equivalent V(1)O6 octahedra. In the fifth Na site, Na(5) is bonded to one O(10), one O(6), two equivalent O(8), four equivalent O(3), and four equivalent O(4) atoms to form NaO12 cuboctahedra that share corners with four equivalent Na(3)O12 cuboctahedra, corners with eight equivalent Na(1)O12 cuboctahedra, faces with two equivalent Na(4)O12 cuboctahedra, faces with four equivalent Na(2)O12 cuboctahedra, faces with two equivalent V(2)O6 octahedra, faces with two equivalent Cr(1)O6 octahedra, and faces with four equivalent V(1)O6 octahedra. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form VO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent V(2)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra,  a faceface with one K(1)O12 cuboctahedra,  a faceface with one Na(3)O12 cuboctahedra,  a faceface with one Na(4)O12 cuboctahedra,  a faceface with one Na(5)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, and faces with two equivalent Na(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second V site, V(2) is bonded to one O(10), one O(9), two equivalent O(2), and two equivalent O(4) atoms to form VO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with four equivalent V(1)O6 octahedra,  a faceface with one K(1)O12 cuboctahedra,  a faceface with one Na(3)O12 cuboctahedra,  a faceface with one Na(4)O12 cuboctahedra,  a faceface with one Na(5)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, and faces with two equivalent Na(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. Cr(1) is bonded to one O(5), one O(6), two equivalent O(1), and two equivalent O(3) atoms to form CrO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with four equivalent V(1)O6 octahedra,  a faceface with one K(1)O12 cuboctahedra,  a faceface with one Na(3)O12 cuboctahedra,  a faceface with one Na(4)O12 cuboctahedra,  a faceface with one Na(5)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, and faces with two equivalent Na(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one K(1), one Na(1), one Na(2), one Na(3), one V(1), and one Cr(1) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one K(1), one Na(1), one Na(2), one Na(3), one V(1), and one V(2) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Na(1), one Na(2), one Na(4), one Na(5), one V(1), and one Cr(1) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Na(1), one Na(2), one Na(4), one Na(5), one V(1), and one V(2) atom. In the fifth O site, O(5) is bonded to one K(1), one Na(4), two equivalent Na(1), and two equivalent Cr(1) atoms to form a mixture of distorted corner and edge-sharing OKNa3Cr2 octahedra. The corner-sharing octahedra are not tilted. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Na(3), one Na(5), two equivalent Na(2), and two equivalent Cr(1) atoms. In the seventh O site, O(7) is bonded to one K(1), one Na(4), two equivalent Na(1), and two equivalent V(1) atoms to form distorted OKNa3V2 octahedra that share corners with four equivalent O(7)KNa3V2 octahedra, edges with two equivalent O(5)KNa3Cr2 octahedra, and edges with two equivalent O(9)KNa3V2 octahedra. The corner-sharing octahedra are not tilted. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Na(3), one Na(5), two equivalent Na(2), and two equivalent V(1) atoms. In the ninth O site, O(9) is bonded to one K(1), one Na(4), two equivalent Na(1), and two equivalent V(2) atoms to form distorted OKNa3V2 octahedra that share corners with four equivalent O(5)KNa3Cr2 octahedra and edges with four equivalent O(7)KNa3V2 octahedra. The corner-sharing octahedra are not tilted. In the tenth O site, O(10) is bonded in a distorted linear geometry to one Na(3), one Na(5), two equivalent Na(2), and two equivalent V(2) atoms.
KNa7V6Cr2O24 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Amm2 space group. K(1) is bonded to one O(5), one O(9), two equivalent O(7), four equivalent O(1), and four equivalent O(2) atoms to form KO12 cuboctahedra that share corners with four equivalent Na(4)O12 cuboctahedra, corners with eight equivalent Na(2)O12 cuboctahedra, faces with two equivalent Na(3)O12 cuboctahedra, faces with four equivalent Na(1)O12 cuboctahedra, faces with two equivalent V(2)O6 octahedra, faces with two equivalent Cr(1)O6 octahedra, and faces with four equivalent V(1)O6 octahedra. The K(1)-O(5) bond length is 2.69 Å. The K(1)-O(9) bond length is 2.70 Å. Both K(1)-O(7) bond lengths are 2.69 Å. All K(1)-O(1) bond lengths are 2.69 Å. All K(1)-O(2) bond lengths are 2.70 Å. There are five inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(5), one O(9), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(7) atoms to form NaO12 cuboctahedra that share corners with four equivalent Na(1)O12 cuboctahedra, corners with four equivalent Na(3)O12 cuboctahedra, corners with four equivalent Na(5)O12 cuboctahedra, faces with two equivalent K(1)O12 cuboctahedra, faces with two equivalent Na(2)O12 cuboctahedra, faces with two equivalent Na(4)O12 cuboctahedra, faces with two equivalent V(2)O6 octahedra, faces with two equivalent Cr(1)O6 octahedra, and faces with four equivalent V(1)O6 octahedra. The Na(1)-O(5) bond length is 2.67 Å. The Na(1)-O(9) bond length is 2.68 Å. Both Na(1)-O(1) bond lengths are 2.67 Å. Both Na(1)-O(2) bond lengths are 2.68 Å. Both Na(1)-O(3) bond lengths are 2.68 Å. Both Na(1)-O(4) bond lengths are 2.68 Å. Both Na(1)-O(7) bond lengths are 2.67 Å. In the second Na site, Na(2) is bonded to one O(10), one O(6), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(8) atoms to form NaO12 cuboctahedra that share corners with four equivalent K(1)O12 cuboctahedra, corners with four equivalent Na(2)O12 cuboctahedra, corners with four equivalent Na(4)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, faces with two equivalent Na(3)O12 cuboctahedra, faces with two equivalent Na(5)O12 cuboctahedra, faces with two equivalent V(2)O6 octahedra, faces with two equivalent Cr(1)O6 octahedra, and faces with four equivalent V(1)O6 octahedra. The Na(2)-O(10) bond length is 2.68 Å. The Na(2)-O(6) bond length is 2.67 Å. Both Na(2)-O(1) bond lengths are 2.65 Å. Both Na(2)-O(2) bond lengths are 2.66 Å. Both Na(2)-O(3) bond lengths are 2.67 Å. Both Na(2)-O(4) bond lengths are 2.68 Å. Both Na(2)-O(8) bond lengths are 2.67 Å. In the third Na site, Na(3) is bonded to one O(10), one O(6), two equivalent O(8), four equivalent O(1), and four equivalent O(2) atoms to form NaO12 cuboctahedra that share corners with four equivalent Na(5)O12 cuboctahedra, corners with eight equivalent Na(1)O12 cuboctahedra, faces with two equivalent K(1)O12 cuboctahedra, faces with four equivalent Na(2)O12 cuboctahedra, faces with two equivalent V(2)O6 octahedra, faces with two equivalent Cr(1)O6 octahedra, and faces with four equivalent V(1)O6 octahedra. The Na(3)-O(10) bond length is 2.68 Å. The Na(3)-O(6) bond length is 2.67 Å. Both Na(3)-O(8) bond lengths are 2.67 Å. All Na(3)-O(1) bond lengths are 2.68 Å. All Na(3)-O(2) bond lengths are 2.68 Å. In the fourth Na site, Na(4) is bonded to one O(5), one O(9), two equivalent O(7), four equivalent O(3), and four equivalent O(4) atoms to form NaO12 cuboctahedra that share corners with four equivalent K(1)O12 cuboctahedra, corners with eight equivalent Na(2)O12 cuboctahedra, faces with two equivalent Na(5)O12 cuboctahedra, faces with four equivalent Na(1)O12 cuboctahedra, faces with two equivalent V(2)O6 octahedra, faces with two equivalent Cr(1)O6 octahedra, and faces with four equivalent V(1)O6 octahedra. The Na(4)-O(5) bond length is 2.65 Å. The Na(4)-O(9) bond length is 2.65 Å. Both Na(4)-O(7) bond lengths are 2.65 Å. All Na(4)-O(3) bond lengths are 2.68 Å. All Na(4)-O(4) bond lengths are 2.68 Å. In the fifth Na site, Na(5) is bonded to one O(10), one O(6), two equivalent O(8), four equivalent O(3), and four equivalent O(4) atoms to form NaO12 cuboctahedra that share corners with four equivalent Na(3)O12 cuboctahedra, corners with eight equivalent Na(1)O12 cuboctahedra, faces with two equivalent Na(4)O12 cuboctahedra, faces with four equivalent Na(2)O12 cuboctahedra, faces with two equivalent V(2)O6 octahedra, faces with two equivalent Cr(1)O6 octahedra, and faces with four equivalent V(1)O6 octahedra. The Na(5)-O(10) bond length is 2.67 Å. The Na(5)-O(6) bond length is 2.67 Å. Both Na(5)-O(8) bond lengths are 2.67 Å. All Na(5)-O(3) bond lengths are 2.67 Å. All Na(5)-O(4) bond lengths are 2.67 Å. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form VO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent V(2)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra,  a faceface with one K(1)O12 cuboctahedra,  a faceface with one Na(3)O12 cuboctahedra,  a faceface with one Na(4)O12 cuboctahedra,  a faceface with one Na(5)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, and faces with two equivalent Na(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The V(1)-O(1) bond length is 1.88 Å. The V(1)-O(2) bond length is 1.90 Å. The V(1)-O(3) bond length is 1.87 Å. The V(1)-O(4) bond length is 1.89 Å. The V(1)-O(7) bond length is 1.90 Å. The V(1)-O(8) bond length is 1.89 Å. In the second V site, V(2) is bonded to one O(10), one O(9), two equivalent O(2), and two equivalent O(4) atoms to form VO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with four equivalent V(1)O6 octahedra,  a faceface with one K(1)O12 cuboctahedra,  a faceface with one Na(3)O12 cuboctahedra,  a faceface with one Na(4)O12 cuboctahedra,  a faceface with one Na(5)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, and faces with two equivalent Na(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The V(2)-O(10) bond length is 1.89 Å. The V(2)-O(9) bond length is 1.90 Å. Both V(2)-O(2) bond lengths are 1.89 Å. Both V(2)-O(4) bond lengths are 1.88 Å. Cr(1) is bonded to one O(5), one O(6), two equivalent O(1), and two equivalent O(3) atoms to form CrO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with four equivalent V(1)O6 octahedra,  a faceface with one K(1)O12 cuboctahedra,  a faceface with one Na(3)O12 cuboctahedra,  a faceface with one Na(4)O12 cuboctahedra,  a faceface with one Na(5)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, and faces with two equivalent Na(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The Cr(1)-O(5) bond length is 1.90 Å. The Cr(1)-O(6) bond length is 1.89 Å. Both Cr(1)-O(1) bond lengths are 1.91 Å. Both Cr(1)-O(3) bond lengths are 1.90 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one K(1), one Na(1), one Na(2), one Na(3), one V(1), and one Cr(1) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one K(1), one Na(1), one Na(2), one Na(3), one V(1), and one V(2) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Na(1), one Na(2), one Na(4), one Na(5), one V(1), and one Cr(1) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Na(1), one Na(2), one Na(4), one Na(5), one V(1), and one V(2) atom. In the fifth O site, O(5) is bonded to one K(1), one Na(4), two equivalent Na(1), and two equivalent Cr(1) atoms to form a mixture of distorted corner and edge-sharing OKNa3Cr2 octahedra. The corner-sharing octahedra are not tilted. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Na(3), one Na(5), two equivalent Na(2), and two equivalent Cr(1) atoms. In the seventh O site, O(7) is bonded to one K(1), one Na(4), two equivalent Na(1), and two equivalent V(1) atoms to form distorted OKNa3V2 octahedra that share corners with four equivalent O(7)KNa3V2 octahedra, edges with two equivalent O(5)KNa3Cr2 octahedra, and edges with two equivalent O(9)KNa3V2 octahedra. The corner-sharing octahedra are not tilted. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Na(3), one Na(5), two equivalent Na(2), and two equivalent V(1) atoms. In the ninth O site, O(9) is bonded to one K(1), one Na(4), two equivalent Na(1), and two equivalent V(2) atoms to form distorted OKNa3V2 octahedra that share corners with four equivalent O(5)KNa3Cr2 octahedra and edges with four equivalent O(7)KNa3V2 octahedra. The corner-sharing octahedra are not tilted. In the tenth O site, O(10) is bonded in a distorted linear geometry to one Na(3), one Na(5), two equivalent Na(2), and two equivalent V(2) atoms.