Zn3H14(C12O5)2 crystallizes in the monoclinic C2/c space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form corner-sharing ZnO6 octahedra. Both Zn(1)-O(1) bond lengths are 2.04 Å. Both Zn(1)-O(2) bond lengths are 2.13 Å. Both Zn(1)-O(5) bond lengths are 2.13 Å. In the second Zn site, Zn(2) is bonded to two equivalent O(1) and two equivalent O(3) atoms to form ZnO4 tetrahedra that share corners with two equivalent Zn(1)O6 octahedra and  an edgeedge with one Zn(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 67°. Both Zn(2)-O(1) bond lengths are 2.00 Å. Both Zn(2)-O(3) bond lengths are 1.92 Å. In the third Zn site, Zn(3) is bonded to two equivalent O(1) and two equivalent O(4) atoms to form ZnO4 tetrahedra that share corners with two equivalent Zn(1)O6 octahedra and  an edgeedge with one Zn(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 68°. Both Zn(3)-O(1) bond lengths are 2.01 Å. Both Zn(3)-O(4) bond lengths are 1.93 Å. There are twelve 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(2), and one O(3) atom. The C(1)-C(2) bond length is 1.49 Å. The C(1)-O(2) bond length is 1.24 Å. The C(1)-O(3) bond length is 1.27 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(5) atom. The C(2)-C(3) bond length is 1.37 Å. The C(2)-C(5) bond length is 1.42 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one H(2) atom. The C(3)-C(4) bond length is 1.42 Å. The C(3)-H(2) bond length is 0.95 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(4), and one C(6) atom. The C(4)-C(4) bond length is 1.44 Å. The C(4)-C(6) bond length is 1.40 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(2) and one H(3) atom. The C(5)-H(3) bond length is 0.95 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(4) and one H(4) atom. The C(6)-H(4) bond length is 0.95 Å. In the seventh C site, C(7) is bonded in a bent 120 degrees geometry to one C(8), one O(4), and one O(5) atom. The C(7)-C(8) bond length is 1.50 Å. The C(7)-O(4) bond length is 1.26 Å. The C(7)-O(5) bond length is 1.27 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(11), one C(7), and one C(9) atom. The C(8)-C(11) bond length is 1.37 Å. The C(8)-C(9) bond length is 1.43 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one C(8), and one H(5) atom. The C(9)-C(10) bond length is 1.37 Å. The C(9)-H(5) bond length is 0.95 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(12), one C(9), and one H(6) atom. The C(10)-C(12) bond length is 1.40 Å. The C(10)-H(6) bond length is 0.95 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(12), one C(8), and one H(7) atom. The C(11)-C(12) bond length is 1.41 Å. The C(11)-H(7) bond length is 0.95 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(10), one C(11), and one C(12) atom. The C(12)-C(12) bond length is 1.42 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. The H(1)-O(1) bond length is 0.84 Å. In the second H site, H(2) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(11) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Zn(1), one Zn(2), one Zn(3), and one H(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Zn(1) and one C(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(3) and one C(7) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one C(7) atom. Linkers: 8 [O]C(=O)c1ccc2cc(C([O])=O)ccc2c1. Metal clusters: 12 [Zn]. The MOF has largest included sphere 9.41 A, density 0.97 g/cm3, surface area 3852.00 m2/g, accessible volume 0.69 cm3/g