NaC5N11H10O crystallizes in the monoclinic P2_1/c space group. Na(1) is bonded in a 6-coordinate geometry to one N(10), one N(11), one N(2), one N(6), one N(9), and one O(1) atom. The Na(1)-N(10) bond length is 2.50 Å. The Na(1)-N(11) bond length is 2.49 Å. The Na(1)-N(2) bond length is 2.56 Å. The Na(1)-N(6) bond length is 2.82 Å. The Na(1)-N(9) bond length is 2.50 Å. The Na(1)-O(1) bond length is 2.30 Å. There are five inequivalent C sites. In the first C site, C(1) is bonded in a tetrahedral geometry to one N(4), one H(1), one H(2), and one H(3) atom. The C(1)-N(4) bond length is 1.45 Å. The C(1)-H(1) bond length is 1.10 Å. The C(1)-H(2) bond length is 1.09 Å. The C(1)-H(3) bond length is 1.10 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(1), one N(11), and one N(5) atom. The C(2)-N(1) bond length is 1.36 Å. The C(2)-N(11) bond length is 1.35 Å. The C(2)-N(5) bond length is 1.37 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one N(3), one N(4), and one N(6) atom. The C(3)-N(3) bond length is 1.37 Å. The C(3)-N(4) bond length is 1.36 Å. The C(3)-N(6) bond length is 1.35 Å. In the fourth C site, C(4) is bonded in a tetrahedral geometry to one N(1), one H(4), one H(5), and one H(6) atom. The C(4)-N(1) bond length is 1.45 Å. The C(4)-H(4) bond length is 1.10 Å. The C(4)-H(5) bond length is 1.10 Å. The C(4)-H(6) bond length is 1.10 Å. In the fifth C site, C(5) is bonded in a tetrahedral geometry to one H(7), one H(8), one H(9), and one O(1) atom. The C(5)-H(7) bond length is 1.10 Å. The C(5)-H(8) bond length is 1.10 Å. The C(5)-H(9) bond length is 1.10 Å. The C(5)-O(1) bond length is 1.43 Å. There are eleven inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one N(7) atom. The N(1)-N(7) bond length is 1.35 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one Na(1), one N(3), and one N(5) atom. The N(2)-N(3) bond length is 1.30 Å. The N(2)-N(5) bond length is 1.31 Å. In the third N site, N(3) is bonded in a distorted water-like geometry to one C(3) and one N(2) atom. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one N(10) atom. The N(4)-N(10) bond length is 1.35 Å. In the fifth N site, N(5) is bonded in a distorted trigonal planar geometry to one C(2), one N(2), and one H(10) atom. The N(5)-H(10) bond length is 1.76 Å. In the sixth N site, N(6) is bonded in a distorted single-bond geometry to one Na(1), one C(3), and one N(8) atom. The N(6)-N(8) bond length is 1.35 Å. In the seventh N site, N(7) is bonded in a water-like geometry to one N(1) and one N(9) atom. The N(7)-N(9) bond length is 1.30 Å. In the eighth N site, N(8) is bonded in a water-like geometry to one N(10) and one N(6) atom. The N(8)-N(10) bond length is 1.31 Å. In the ninth N site, N(9) is bonded in a trigonal planar geometry to one Na(1), one N(11), and one N(7) atom. The N(9)-N(11) bond length is 1.35 Å. In the tenth N site, N(10) is bonded in a trigonal planar geometry to one Na(1), one N(4), and one N(8) atom. In the eleventh N site, N(11) is bonded in a 3-coordinate geometry to one Na(1), one C(2), and one N(9) atom. There are ten inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(1) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(4) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(4) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(5) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(5) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(5) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one N(5) and one O(1) atom. The H(10)-O(1) bond length is 1.00 Å. O(1) is bonded in a 3-coordinate geometry to one Na(1), one C(5), and one H(10) atom. Linkers: 4 Cn1nnnc1[N][N][N]c1nnnn1C. Metal clusters: 2 CO.CO.[N][N].[N][N].[Na].[Na]. The MOF has largest included sphere 2.00 A, density 1.48 g/cm3, surface area 4636.61 m2/g, accessible volume 0.16 cm3/g