Hg3C14H14I6(N2O)2 is Indium-like structured and crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of two Hg3C14H14I6(N2O)2 clusters. There are two inequivalent Hg sites. In the first Hg site, Hg(1) is bonded in a distorted trigonal pyramidal geometry to one N(1), one I(1), one I(2), and one I(3) atom. The Hg(1)-N(1) bond length is 2.43 Å. The Hg(1)-I(1) bond length is 2.72 Å. The Hg(1)-I(2) bond length is 2.68 Å. The Hg(1)-I(3) bond length is 3.21 Å. In the second Hg site, Hg(2) is bonded in a linear geometry to two equivalent I(3) atoms. Both Hg(2)-I(3) bond lengths are 2.66 Å. There are seven inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one N(1), and one H(2) atom. The C(1)-C(2) bond length is 1.39 Å. The C(1)-N(1) bond length is 1.34 Å. The C(1)-H(2) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(3) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(3) bond length is 1.09 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(6) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-C(6) bond length is 1.50 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one C(5), and one H(4) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-H(4) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one H(5) atom. The C(5)-N(1) bond length is 1.35 Å. The C(5)-H(5) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted trigonal non-coplanar geometry to one C(3), one N(2), one H(6), and one H(7) atom. The C(6)-N(2) bond length is 1.45 Å. The C(6)-H(6) bond length is 1.10 Å. The C(6)-H(7) bond length is 1.10 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one N(2) and one O(1) atom. The C(7)-N(2) bond length is 1.34 Å. The C(7)-O(1) bond length is 1.25 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Hg(1), one C(1), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(6), one C(7), and one H(1) atom. The N(2)-H(1) bond length is 1.03 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(2) 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(2) 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(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(6) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(6) atom. O(1) is bonded in a single-bond geometry to one C(7) atom. There are three inequivalent I sites. In the first I site, I(1) is bonded in a single-bond geometry to one Hg(1) atom. In the second I site, I(2) is bonded in a single-bond geometry to one Hg(1) atom. In the third I site, I(3) is bonded in an L-shaped geometry to one Hg(1) and one Hg(2) atom. Linkers: 4 [CH]C(=[CH])CNC(=O)C(=O)NCc1ccncc1 ,2 O=C(NCc1ccncc1)C(=O)NCc1ccncc1. Metal clusters: . The MOF has largest included sphere 2.02 A, density 3.98 g/cm3, surface area 2060.33 m2/g, accessible volume 0.06 cm3/g