LiC3NH2O2 crystallizes in the orthorhombic Fdd2 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form corner-sharing LiO4 tetrahedra. The Li(1)-O(1) bond length is 1.91 Å. The Li(1)-O(2) bond length is 1.92 Å. The Li(1)-O(3) bond length is 1.99 Å. The Li(1)-O(4) bond length is 1.98 Å. In the second Li site, Li(2) is bonded to one N(1), one O(1), one O(3), and one O(4) atom to form corner-sharing LiNO3 tetrahedra. The Li(2)-N(1) bond length is 2.00 Å. The Li(2)-O(1) bond length is 1.93 Å. The Li(2)-O(3) bond length is 1.97 Å. The Li(2)-O(4) bond length is 2.07 Å. There are six inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.50 Å. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(2) bond length is 1.26 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one N(2) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-N(2) bond length is 1.38 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one N(1) atom. The C(3)-C(4) bond length is 1.49 Å. The C(3)-N(1) bond length is 1.38 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(4)-O(3) bond length is 1.27 Å. The C(4)-O(4) bond length is 1.28 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(1) atom. The C(5)-N(1) bond length is 1.32 Å. The C(5)-N(2) bond length is 1.36 Å. The C(5)-H(1) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a tetrahedral geometry to one N(2), one H(2), one H(3), and one H(4) atom. The C(6)-N(2) bond length is 1.46 Å. The C(6)-H(2) bond length is 1.09 Å. The C(6)-H(3) bond length is 1.09 Å. The C(6)-H(4) bond length is 1.09 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal non-coplanar geometry to one Li(2), one C(3), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(2), one C(5), and one C(6) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(6) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Li(1), one Li(2), and one C(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Li(1) and one C(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(1), one Li(2), and one C(4) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Li(2), and one C(4) atom. Linkers: 4 Cn1cnc(C([O])=O)c1C([O])=O. Metal clusters: 8 [Li]. The MOF has largest included sphere 2.53 A, density 1.59 g/cm3, surface area 3717.98 m2/g, accessible volume 0.14 cm3/g