CdC18NH13O6(C9H4S2)2H3(C2O)2 is Indium-derived structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two methacrylic acid molecules, two C9H4S2 clusters, and one CdC18NH13O6 cluster. In each C9H4S2 cluster, there are eighteen inequivalent C sites. In the first C site, C(4) is bonded in a distorted single-bond geometry to one C(5) and one H(2) atom. The C(4)-C(5) bond length is 1.38 Å. The C(4)-H(2) bond length is 0.93 Å. In the second C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(8) atom. The C(5)-C(6) bond length is 1.38 Å. The C(5)-C(8) bond length is 1.47 Å. In the third C site, C(6) is bonded in a distorted single-bond geometry to one C(5) and one H(3,15) atom. The C(6)-H(3,15) bond length is 0.93 Å. In the fourth C site, C(8) is bonded in a trigonal planar geometry to one C(5), one C(9), and one S(3) atom. The C(8)-C(9) bond length is 1.34 Å. The C(8)-S(3) bond length is 1.74 Å. In the fifth C site, C(9) is bonded in a trigonal planar geometry to one C(16), one C(8), and one S(4) atom. The C(9)-C(16) bond length is 1.47 Å. The C(9)-S(4) bond length is 1.77 Å. In the sixth C site, C(11) is bonded in a single-bond geometry to one C(16) and one H(5) atom. The C(11)-C(16) bond length is 1.39 Å. The C(11)-H(5) bond length is 0.93 Å. In the seventh C site, C(15) is bonded in a distorted single-bond geometry to one C(16) and one H(8) atom. The C(15)-C(16) bond length is 1.40 Å. The C(15)-H(8) bond length is 0.93 Å. In the eighth C site, C(16) is bonded in a trigonal planar geometry to one C(11), one C(15), and one C(9) atom. In the ninth C site, C(17) is bonded in a trigonal planar geometry to one C(18), one S(3), and one S(4) atom. The C(17)-C(18) bond length is 1.31 Å. The C(17)-S(3) bond length is 1.75 Å. The C(17)-S(4) bond length is 1.75 Å. In the tenth C site, C(18) is bonded in a trigonal planar geometry to one C(17), one S(1), and one S(2) atom. The C(18)-S(1) bond length is 1.76 Å. The C(18)-S(2) bond length is 1.74 Å. In the eleventh C site, C(19) is bonded in a trigonal planar geometry to one C(20), one C(26), and one S(2) atom. The C(19)-C(20) bond length is 1.47 Å. The C(19)-C(26) bond length is 1.35 Å. The C(19)-S(2) bond length is 1.76 Å. In the twelfth C site, C(20) is bonded in a trigonal planar geometry to one C(19), one C(21), and one C(25) atom. The C(20)-C(21) bond length is 1.39 Å. The C(20)-C(25) bond length is 1.37 Å. In the thirteenth C site, C(21) is bonded in a distorted single-bond geometry to one C(20) and one H(9) atom. The C(21)-H(9) bond length is 0.93 Å. In the fourteenth C site, C(25) is bonded in a distorted single-bond geometry to one C(20) and one H(12) atom. The C(25)-H(12) bond length is 0.93 Å. In the fifteenth C site, C(26) is bonded in a trigonal planar geometry to one C(19), one C(27), and one S(1) atom. The C(26)-C(27) bond length is 1.46 Å. The C(26)-S(1) bond length is 1.76 Å. In the sixteenth C site, C(27) is bonded in a trigonal planar geometry to one C(26), one C(28), and one C(32) atom. The C(27)-C(28) bond length is 1.39 Å. The C(27)-C(32) bond length is 1.37 Å. In the seventeenth C site, C(28) is bonded in a distorted single-bond geometry to one C(27) and one H(13) atom. The C(28)-H(13) bond length is 0.93 Å. In the eighteenth C site, C(32) is bonded in a distorted single-bond geometry to one C(27) and one H(16) atom. The C(32)-H(16) bond length is 0.93 Å. There are eight inequivalent H sites. In the first H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(3,15) is bonded in a single-bond geometry to one C(6) atom. In the third H site, H(5) is bonded in a single-bond geometry to one C(11) atom. In the fourth H site, H(8) is bonded in a single-bond geometry to one C(15) atom. In the fifth H site, H(9) is bonded in a single-bond geometry to one C(21) atom. In the sixth H site, H(12) is bonded in a single-bond geometry to one C(25) atom. In the seventh H site, H(13) is bonded in a single-bond geometry to one C(28) atom. In the eighth H site, H(16) is bonded in a single-bond geometry to one C(32) atom. There are four inequivalent S sites. In the first S site, S(1) is bonded in an L-shaped geometry to one C(18) and one C(26) atom. In the second S site, S(3) is bonded in an L-shaped geometry to one C(17) and one C(8) atom. In the third S site, S(4) is bonded in an L-shaped geometry to one C(17) and one C(9) atom. In the fourth S site, S(2) is bonded in an L-shaped geometry to one C(18) and one C(19) atom. In the CdC18NH13O6 cluster, Cd(1) is bonded in a square pyramidal geometry to one N(1), one O(2), one O(6), one O(7), and one O(8) atom. The Cd(1)-N(1) bond length is 2.27 Å. The Cd(1)-O(2) bond length is 2.25 Å. The Cd(1)-O(6) bond length is 2.44 Å. The Cd(1)-O(7) bond length is 2.27 Å. The Cd(1)-O(8) bond length is 2.25 Å. There are eighteen 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 1.49 Å. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(2) bond length is 1.25 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(7) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-C(7) bond length is 1.39 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2) and one H(1) atom. The C(3)-H(1) bond length is 0.93 Å. In the fourth C site, C(7) is bonded in a distorted single-bond geometry to one C(2) and one H(4) atom. The C(7)-H(4) bond length is 0.93 Å. In the fifth C site, C(22) is bonded in a distorted single-bond geometry to one C(23) and one H(10) atom. The C(22)-C(23) bond length is 1.38 Å. The C(22)-H(10) bond length is 0.93 Å. In the sixth C site, C(23) is bonded in a trigonal planar geometry to one C(22), one C(24), and one C(34) atom. The C(23)-C(24) bond length is 1.37 Å. The C(23)-C(34) bond length is 1.48 Å. In the seventh C site, C(24) is bonded in a distorted single-bond geometry to one C(23) and one H(11) atom. The C(24)-H(11) bond length is 0.93 Å. In the eighth C site, C(29) is bonded in a distorted single-bond geometry to one C(30) and one H(14) atom. The C(29)-C(30) bond length is 1.37 Å. The C(29)-H(14) bond length is 0.93 Å. In the ninth C site, C(30) is bonded in a trigonal planar geometry to one C(29), one C(31), and one C(33) atom. The C(30)-C(31) bond length is 1.38 Å. The C(30)-C(33) bond length is 1.48 Å. In the tenth C site, C(31) is bonded in a distorted single-bond geometry to one C(30) and one H(3,15) atom. The C(31)-H(3,15) bond length is 0.93 Å. In the eleventh C site, C(33) is bonded in a distorted bent 120 degrees geometry to one C(30), one O(7), and one O(8) atom. The C(33)-O(7) bond length is 1.23 Å. The C(33)-O(8) bond length is 1.27 Å. In the twelfth C site, C(34) is bonded in a distorted bent 120 degrees geometry to one C(23), one O(5), and one O(6) atom. The C(34)-O(5) bond length is 1.30 Å. The C(34)-O(6) bond length is 1.22 Å. In the thirteenth C site, C(35) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(17) atom. The C(35)-N(1) bond length is 1.32 Å. The C(35)-H(17) bond length is 0.93 Å. In the fourteenth C site, C(36) is bonded in a single-bond geometry to one C(37) and one H(18) atom. The C(36)-C(37) bond length is 1.39 Å. The C(36)-H(18) bond length is 0.93 Å. In the fifteenth C site, C(37) is bonded in a trigonal planar geometry to one C(36), one C(38), and one C(40) atom. The C(37)-C(38) bond length is 1.36 Å. The C(37)-C(40) bond length is 1.52 Å. In the sixteenth C site, C(38) is bonded in a single-bond geometry to one C(37), one C(39), and one H(19) atom. The C(38)-C(39) bond length is 1.38 Å. The C(38)-H(19) bond length is 0.93 Å. In the seventeenth C site, C(39) is bonded in a distorted trigonal planar geometry to one C(38), one N(1), and one H(20) atom. The C(39)-N(1) bond length is 1.31 Å. The C(39)-H(20) bond length is 0.93 Å. In the eighteenth C site, C(40) is bonded in a water-like geometry to one C(37) and two equivalent H(21,22) atoms. Both C(40)-H(21,22) bond lengths are 0.97 Å. N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(35), and one C(39) atom. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(3,15) is bonded in a single-bond geometry to one C(6) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(10) is bonded in a single-bond geometry to one C(22) atom. In the fifth H site, H(11) is bonded in a single-bond geometry to one C(24) atom. In the sixth H site, H(14) is bonded in a single-bond geometry to one C(29) atom. In the seventh H site, H(17) is bonded in a single-bond geometry to one C(35) atom. In the eighth H site, H(18) is bonded in a single-bond geometry to one C(36) atom. In the ninth H site, H(19) is bonded in a single-bond geometry to one C(38) atom. In the tenth H site, H(20) is bonded in a single-bond geometry to one C(39) atom. In the eleventh H site, H(21,22) is bonded in a single-bond geometry to one C(40) atom. In the twelfth H site, H(24) is bonded in a single-bond geometry to one O(5) atom. The H(24)-O(5) bond length is 0.82 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one C(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cd(1) and one C(1) atom. In the third O site, O(5) is bonded in a water-like geometry to one C(34) and one H(24) atom. In the fourth O site, O(6) is bonded in a distorted single-bond geometry to one Cd(1) and one C(34) atom. In the fifth O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Cd(1) and one C(33) atom. In the sixth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Cd(1) and one C(33) atom. Linkers: 2 [O]C(=O)c1ccc(C2=C(c3ccc(C(=O)O)cc3)S/C(=C3\SC(c4ccc(C([O])=O)cc4)=C(c4ccc(C(=O)O)cc4)S3)S2)cc1 ,1 c1cc(CCc2ccncc2)ccn1. Metal clusters: 1 O=[C]O[Cd@]1(O[C]O)O[C]O[Cd@@](O[C]O)(O[C]=O)O[C]O1. RCSR code: kgd. The MOF has largest included sphere 5.81 A, density 1.36 g/cm3, surface area 4426.31 m2/g, accessible volume 0.26 cm3/g