Na6Mo10O33 crystallizes in the triclinic P-1 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(14), one O(4), one O(6), and one O(7) atom. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(11), one O(13), one O(15), one O(16), and one O(3) atom. In the third Na site, Na(3) is bonded in a distorted see-saw-like geometry to one O(12), one O(4), one O(5), and one O(9) atom. There are five inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a 6-coordinate geometry to one O(1), one O(13), one O(14), one O(16), one O(17), and one O(5) atom. In the second Mo site, Mo(2) is bonded in a 6-coordinate geometry to one O(15), one O(2), one O(6), one O(8), and two equivalent O(9) atoms. In the third Mo site, Mo(3) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(7), one O(8), and two equivalent O(12) atoms. In the fourth Mo site, Mo(4) is bonded in a 5-coordinate geometry to one O(11), one O(4), one O(5), and two equivalent O(16) atoms. In the fifth Mo site, Mo(5) is bonded in a 6-coordinate geometry to one O(12), one O(13), one O(2), one O(3), one O(8), and one O(9) atom. There are seventeen inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Na(1), one Na(2), and one Mo(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mo(2), one Mo(3), and one Mo(5) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Na(2) and one Mo(5) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(1), one Na(3), and one Mo(4) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Na(3), one Mo(1), and one Mo(4) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one Mo(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one Mo(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Mo(2), one Mo(3), and one Mo(5) atom. In the ninth O site, O(9) is bonded to one Na(3), one Mo(5), and two equivalent Mo(2) atoms to form a mixture of distorted corner and edge-sharing ONaMo3 tetrahedra. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Na(2) and one Mo(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one Mo(4) atom. In the twelfth O site, O(12) is bonded to one Na(3), one Mo(5), and two equivalent Mo(3) atoms to form a mixture of distorted corner and edge-sharing ONaMo3 tetrahedra. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Na(2), one Mo(1), and one Mo(5) atom. In the fourteenth O site, O(14) is bonded in a distorted linear geometry to one Na(1) and one Mo(1) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one Na(2) and one Mo(2) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Na(2), one Mo(1), and two equivalent Mo(4) atoms. In the seventeenth O site, O(17) is bonded in a linear geometry to two equivalent Mo(1) atoms.
Na6Mo10O33 crystallizes in the triclinic P-1 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(14), one O(4), one O(6), and one O(7) atom. The Na(1)-O(1) bond length is 2.44 Å. The Na(1)-O(11) bond length is 2.38 Å. The Na(1)-O(14) bond length is 2.39 Å. The Na(1)-O(4) bond length is 2.74 Å. The Na(1)-O(6) bond length is 2.41 Å. The Na(1)-O(7) bond length is 2.31 Å. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(11), one O(13), one O(15), one O(16), and one O(3) atom. The Na(2)-O(1) bond length is 2.63 Å. The Na(2)-O(10) bond length is 2.30 Å. The Na(2)-O(11) bond length is 2.48 Å. The Na(2)-O(13) bond length is 2.97 Å. The Na(2)-O(15) bond length is 2.48 Å. The Na(2)-O(16) bond length is 2.91 Å. The Na(2)-O(3) bond length is 2.57 Å. In the third Na site, Na(3) is bonded in a distorted see-saw-like geometry to one O(12), one O(4), one O(5), and one O(9) atom. The Na(3)-O(12) bond length is 2.64 Å. The Na(3)-O(4) bond length is 2.62 Å. The Na(3)-O(5) bond length is 2.51 Å. The Na(3)-O(9) bond length is 2.59 Å. There are five inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a 6-coordinate geometry to one O(1), one O(13), one O(14), one O(16), one O(17), and one O(5) atom. The Mo(1)-O(1) bond length is 1.76 Å. The Mo(1)-O(13) bond length is 2.37 Å. The Mo(1)-O(14) bond length is 1.73 Å. The Mo(1)-O(16) bond length is 2.27 Å. The Mo(1)-O(17) bond length is 1.92 Å. The Mo(1)-O(5) bond length is 1.99 Å. In the second Mo site, Mo(2) is bonded in a 6-coordinate geometry to one O(15), one O(2), one O(6), one O(8), and two equivalent O(9) atoms. The Mo(2)-O(15) bond length is 1.73 Å. The Mo(2)-O(2) bond length is 1.96 Å. The Mo(2)-O(6) bond length is 1.74 Å. The Mo(2)-O(8) bond length is 2.02 Å. There is one shorter (2.23 Å) and one longer (2.36 Å) Mo(2)-O(9) bond length. In the third Mo site, Mo(3) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(7), one O(8), and two equivalent O(12) atoms. The Mo(3)-O(10) bond length is 1.73 Å. The Mo(3)-O(2) bond length is 2.01 Å. The Mo(3)-O(7) bond length is 1.73 Å. The Mo(3)-O(8) bond length is 1.96 Å. There is one shorter (2.24 Å) and one longer (2.38 Å) Mo(3)-O(12) bond length. In the fourth Mo site, Mo(4) is bonded in a 5-coordinate geometry to one O(11), one O(4), one O(5), and two equivalent O(16) atoms. The Mo(4)-O(11) bond length is 1.75 Å. The Mo(4)-O(4) bond length is 1.75 Å. The Mo(4)-O(5) bond length is 1.95 Å. There is one shorter (1.95 Å) and one longer (2.16 Å) Mo(4)-O(16) bond length. In the fifth Mo site, Mo(5) is bonded in a 6-coordinate geometry to one O(12), one O(13), one O(2), one O(3), one O(8), and one O(9) atom. The Mo(5)-O(12) bond length is 1.95 Å. The Mo(5)-O(13) bond length is 1.78 Å. The Mo(5)-O(2) bond length is 2.28 Å. The Mo(5)-O(3) bond length is 1.75 Å. The Mo(5)-O(8) bond length is 2.27 Å. The Mo(5)-O(9) bond length is 1.96 Å. There are seventeen inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Na(1), one Na(2), and one Mo(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mo(2), one Mo(3), and one Mo(5) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Na(2) and one Mo(5) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(1), one Na(3), and one Mo(4) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Na(3), one Mo(1), and one Mo(4) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one Mo(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Na(1) and one Mo(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Mo(2), one Mo(3), and one Mo(5) atom. In the ninth O site, O(9) is bonded to one Na(3), one Mo(5), and two equivalent Mo(2) atoms to form a mixture of distorted corner and edge-sharing ONaMo3 tetrahedra. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Na(2) and one Mo(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one Mo(4) atom. In the twelfth O site, O(12) is bonded to one Na(3), one Mo(5), and two equivalent Mo(3) atoms to form a mixture of distorted corner and edge-sharing ONaMo3 tetrahedra. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Na(2), one Mo(1), and one Mo(5) atom. In the fourteenth O site, O(14) is bonded in a distorted linear geometry to one Na(1) and one Mo(1) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one Na(2) and one Mo(2) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Na(2), one Mo(1), and two equivalent Mo(4) atoms. In the seventeenth O site, O(17) is bonded in a linear geometry to two equivalent Mo(1) atoms.