Eu6C18H20(S2O9)3(H9(C8N)2)4(C3H2SO3)2 is Indium-derived structured and crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of eight C3H2SO3 clusters, four Eu6C18H20(S2O9)3 clusters, and eight H9(C8N)2 clusters. In each C3H2SO3 cluster, there are three inequivalent C sites. In the first C site, C(29) is bonded in a distorted single-bond geometry to one C(30) and one H(16,17) atom. The C(29)-C(30) bond length is 1.38 Å. The C(29)-H(16,17) bond length is 0.95 Å. In the second C site, C(30) is bonded in a trigonal planar geometry to one C(29), one C(31), and one S(2) atom. The C(30)-C(31) bond length is 1.40 Å. The C(30)-S(2) bond length is 1.76 Å. In the third C site, C(31) is bonded in a distorted single-bond geometry to one C(30) and one H(16,17) atom. The C(31)-H(16,17) bond length is 0.95 Å. H(16,17) is bonded in a single-bond geometry to one C(29) atom. S(2) is bonded in a distorted trigonal non-coplanar geometry to one C(30), one O(10), one O(8), and one O(9) atom. The S(2)-O(10) bond length is 1.46 Å. The S(2)-O(8) bond length is 1.44 Å. The S(2)-O(9) bond length is 1.47 Å. There are three inequivalent O sites. In the first O site, O(8) is bonded in a single-bond geometry to one S(2) atom. In the second O site, O(9) is bonded in a single-bond geometry to one S(2) atom. In the third O site, O(10) is bonded in a single-bond geometry to one S(2) atom. In each Eu6C18H20(S2O9)3 cluster, there are three inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 8-coordinate geometry to one O(1), one O(13), one O(17), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. The Eu(1)-O(1) bond length is 2.38 Å. The Eu(1)-O(13) bond length is 2.48 Å. The Eu(1)-O(17) bond length is 2.49 Å. The Eu(1)-O(2) bond length is 2.36 Å. The Eu(1)-O(3) bond length is 2.40 Å. The Eu(1)-O(4) bond length is 2.39 Å. The Eu(1)-O(5) bond length is 2.84 Å. The Eu(1)-O(6) bond length is 2.54 Å. In the second Eu site, Eu(2) is bonded in a 6-coordinate geometry to one O(1), one O(12), one O(17), one O(2), one O(3), and one O(4) atom. The Eu(2)-O(1) bond length is 2.40 Å. The Eu(2)-O(12) bond length is 2.63 Å. The Eu(2)-O(17) bond length is 2.60 Å. The Eu(2)-O(2) bond length is 2.38 Å. The Eu(2)-O(3) bond length is 2.38 Å. The Eu(2)-O(4) bond length is 2.41 Å. In the third Eu site, Eu(3) is bonded in a 6-coordinate geometry to one O(1), one O(15), one O(17), one O(2), one O(3), and one O(4) atom. The Eu(3)-O(1) bond length is 2.36 Å. The Eu(3)-O(15) bond length is 2.46 Å. The Eu(3)-O(17) bond length is 2.61 Å. The Eu(3)-O(2) bond length is 2.42 Å. The Eu(3)-O(3) bond length is 2.38 Å. The Eu(3)-O(4) bond length is 2.41 Å. There are nine inequivalent C sites. In the first C site, C(23) is bonded in a distorted single-bond geometry to one C(24) and one H(12,13) atom. The C(23)-C(24) bond length is 1.37 Å. The C(23)-H(12,13) bond length is 0.95 Å. In the second C site, C(24) is bonded in a trigonal planar geometry to one C(23), one C(25), and one S(1) atom. The C(24)-C(25) bond length is 1.36 Å. The C(24)-S(1) bond length is 1.77 Å. In the third C site, C(25) is bonded in a distorted single-bond geometry to one C(24) and one H(12,13) atom. The C(25)-H(12,13) bond length is 0.95 Å. In the fourth C site, C(37) is bonded in a distorted single-bond geometry to one C(36) and one H(21) atom. The C(37)-C(36) bond length is 1.38 Å. The C(37)-H(21) bond length is 0.95 Å. In the fifth C site, C(41) is bonded in a distorted single-bond geometry to one C(42) and one H(24) atom. The C(41)-C(42) bond length is 1.36 Å. The C(41)-H(24) bond length is 0.95 Å. In the sixth C site, C(42) is bonded in a trigonal planar geometry to one C(41), one C(43), and one S(4) atom. The C(42)-C(43) bond length is 1.37 Å. The C(42)-S(4) bond length is 1.77 Å. In the seventh C site, C(43) is bonded in a distorted single-bond geometry to one C(42) and one H(25) atom. The C(43)-H(25) bond length is 0.95 Å. In the eighth C site, C(35) is bonded in a distorted single-bond geometry to one C(36) and one H(20) atom. The C(35)-C(36) bond length is 1.38 Å. The C(35)-H(20) bond length is 0.95 Å. In the ninth C site, C(36) is bonded in a trigonal planar geometry to one C(35), one C(37), and one S(3) atom. The C(36)-S(3) bond length is 1.77 Å. There are nine inequivalent H sites. In the first H site, H(12,13) is bonded in a single-bond geometry to one C(23) atom. In the second H site, H(20) is bonded in a single-bond geometry to one C(35) atom. In the third H site, H(21) is bonded in a single-bond geometry to one C(37) atom. In the fourth H site, H(24) is bonded in a single-bond geometry to one C(41) atom. In the fifth H site, H(27) is bonded in a single-bond geometry to one O(1) atom. The H(27)-O(1) bond length is 0.86 Å. In the sixth H site, H(28) is bonded in a single-bond geometry to one O(2) atom. The H(28)-O(2) bond length is 0.83 Å. In the seventh H site, H(29) is bonded in a single-bond geometry to one O(3) atom. The H(29)-O(3) bond length is 0.89 Å. In the eighth H site, H(30) is bonded in a single-bond geometry to one O(4) atom. The H(30)-O(4) bond length is 0.82 Å. In the ninth H site, H(25) is bonded in a single-bond geometry to one C(43) atom. There are three inequivalent S sites. In the first S site, S(1) is bonded in a distorted trigonal non-coplanar geometry to one C(24), one O(5), one O(6), and one O(7) atom. The S(1)-O(5) bond length is 1.46 Å. The S(1)-O(6) bond length is 1.46 Å. The S(1)-O(7) bond length is 1.46 Å. In the second S site, S(3) is bonded in a distorted trigonal non-coplanar geometry to one C(36), one O(11), one O(12), and one O(13) atom. The S(3)-O(11) bond length is 1.46 Å. The S(3)-O(12) bond length is 1.46 Å. The S(3)-O(13) bond length is 1.46 Å. In the third S site, S(4) is bonded in a distorted trigonal non-coplanar geometry to one C(42), one O(14), one O(15), and one O(16) atom. The S(4)-O(14) bond length is 1.45 Å. The S(4)-O(15) bond length is 1.47 Å. The S(4)-O(16) bond length is 1.45 Å. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Eu(1), one Eu(2), one Eu(3), and one H(27) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Eu(1), one Eu(2), one Eu(3), and one H(28) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Eu(1), one Eu(2), one Eu(3), and one H(29) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Eu(1), one Eu(2), one Eu(3), and one H(30) atom. In the fifth O site, O(11) is bonded in a single-bond geometry to one S(3) atom. In the sixth O site, O(12) is bonded in a distorted single-bond geometry to one Eu(2) and one S(3) atom. In the seventh O site, O(13) is bonded in a distorted single-bond geometry to one Eu(1) and one S(3) atom. In the eighth O site, O(14) is bonded in a single-bond geometry to one S(4) atom. In the ninth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one Eu(3) and one S(4) atom. In the tenth O site, O(16) is bonded in a single-bond geometry to one S(4) atom. In the eleventh O site, O(17) is bonded in an octahedral geometry to two equivalent Eu(1), two equivalent Eu(2), and two equivalent Eu(3) atoms. In the twelfth O site, O(5) is bonded in a single-bond geometry to one Eu(1) and one S(1) atom. In the thirteenth O site, O(6) is bonded in a distorted water-like geometry to one Eu(1) and one S(1) atom. In the fourteenth O site, O(7) is bonded in a single-bond geometry to one S(1) atom. In each H9(C8N)2 cluster, there are thirty-two inequivalent C sites. In the first C site, C(17) is bonded in a distorted trigonal planar geometry to one C(18), one C(20), and one N(4) atom. The C(17)-C(18) bond length is 1.45 Å. The C(17)-C(20) bond length is 1.40 Å. The C(17)-N(4) bond length is 1.36 Å. In the second C site, C(1) is bonded in a distorted single-bond geometry to one C(2), one C(5), and one N(1) atom. The C(1)-C(2) bond length is 1.42 Å. The C(1)-C(5) bond length is 1.39 Å. The C(1)-N(1) bond length is 1.37 Å. In the third C site, C(5) is bonded in a trigonal planar geometry to one C(1), one C(21), and one C(6) atom. The C(5)-C(21) bond length is 1.50 Å. The C(5)-C(6) bond length is 1.40 Å. In the fourth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(5), one C(9), and one N(2) atom. The C(6)-C(9) bond length is 1.45 Å. The C(6)-N(2) bond length is 1.38 Å. In the fifth C site, C(7) is bonded in a distorted trigonal planar geometry to one C(10), one C(8), and one N(2) atom. The C(7)-C(10) bond length is 1.41 Å. The C(7)-C(8) bond length is 1.46 Å. The C(7)-N(2) bond length is 1.37 Å. In the sixth C site, C(8) is bonded in a distorted single-bond geometry to one C(7) and one H(4) atom. The C(8)-H(4) bond length is 0.95 Å. In the seventh C site, C(9) is bonded in a distorted single-bond geometry to one C(6) and one H(5) atom. The C(9)-H(5) bond length is 0.95 Å. In the eighth C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(2) atom. The C(2)-C(3) bond length is 1.37 Å. The C(2)-H(2) bond length is 0.95 Å. In the ninth C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(3) atom. The C(3)-C(4) bond length is 1.42 Å. The C(3)-H(3) bond length is 0.95 Å. In the tenth C site, C(4) is bonded in a distorted single-bond geometry to one C(20), one C(3), and one N(1) atom. The C(4)-C(20) bond length is 1.40 Å. The C(4)-N(1) bond length is 1.37 Å. In the eleventh C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(27), and one C(7) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-C(27) bond length is 1.48 Å. In the twelfth C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(14), and one N(3) atom. The C(11)-C(14) bond length is 1.44 Å. The C(11)-N(3) bond length is 1.37 Å. In the thirteenth C site, C(12) is bonded in a distorted single-bond geometry to one C(13), one C(15), and one N(3) atom. The C(12)-C(13) bond length is 1.43 Å. The C(12)-C(15) bond length is 1.40 Å. The C(12)-N(3) bond length is 1.37 Å. In the fourteenth C site, C(16) is bonded in a distorted trigonal planar geometry to one C(15), one C(19), and one N(4) atom. The C(16)-C(15) bond length is 1.40 Å. The C(16)-C(19) bond length is 1.46 Å. The C(16)-N(4) bond length is 1.37 Å. In the fifteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(17) and one H(9) atom. The C(18)-H(9) bond length is 0.95 Å. In the sixteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(16) and one H(10) atom. The C(19)-H(10) bond length is 0.95 Å. In the seventeenth C site, C(21) is bonded in a trigonal planar geometry to one C(22), one C(26), and one C(5) atom. The C(21)-C(22) bond length is 1.38 Å. The C(21)-C(26) bond length is 1.38 Å. In the eighteenth C site, C(22) is bonded in a distorted single-bond geometry to one C(21) and one H(11) atom. The C(22)-H(11) bond length is 0.95 Å. In the nineteenth C site, C(26) is bonded in a distorted single-bond geometry to one C(21) and one H(14) atom. The C(26)-H(14) bond length is 0.95 Å. In the twentieth C site, C(28) is bonded in a distorted single-bond geometry to one C(27) and one H(15,18) atom. The C(28)-C(27) bond length is 1.40 Å. The C(28)-H(15,18) bond length is 0.95 Å. In the twenty-first C site, C(33) is bonded in a trigonal planar geometry to one C(15), one C(34), and one C(38) atom. The C(33)-C(15) bond length is 1.50 Å. The C(33)-C(34) bond length is 1.38 Å. The C(33)-C(38) bond length is 1.39 Å. In the twenty-second C site, C(34) is bonded in a distorted single-bond geometry to one C(33) and one H(19) atom. The C(34)-H(19) bond length is 0.95 Å. In the twenty-third C site, C(32) is bonded in a distorted single-bond geometry to one C(27) and one H(15,18) atom. The C(32)-C(27) bond length is 1.39 Å. The C(32)-H(15,18) bond length is 0.95 Å. In the twenty-fourth C site, C(38) is bonded in a distorted single-bond geometry to one C(33) and one H(22) atom. The C(38)-H(22) bond length is 0.95 Å. In the twenty-fifth C site, C(39) is bonded in a trigonal planar geometry to one C(20), one C(40), and one C(44) atom. The C(39)-C(20) bond length is 1.49 Å. The C(39)-C(40) bond length is 1.38 Å. The C(39)-C(44) bond length is 1.37 Å. In the twenty-sixth C site, C(40) is bonded in a distorted single-bond geometry to one C(39) and one H(23) atom. The C(40)-H(23) bond length is 0.95 Å. In the twenty-seventh C site, C(27) is bonded in a trigonal planar geometry to one C(10), one C(28), and one C(32) atom. In the twenty-eighth C site, C(44) is bonded in a distorted single-bond geometry to one C(39) and one H(26) atom. The C(44)-H(26) bond length is 0.95 Å. In the twenty-ninth C site, C(20) is bonded in a trigonal planar geometry to one C(17), one C(39), and one C(4) atom. In the thirtieth C site, C(13) is bonded in a distorted single-bond geometry to one C(12), one C(14), and one H(7) atom. The C(13)-C(14) bond length is 1.37 Å. The C(13)-H(7) bond length is 0.95 Å. In the thirty-first C site, C(14) is bonded in a distorted single-bond geometry to one C(11), one C(13), and one H(8) atom. The C(14)-H(8) bond length is 0.95 Å. In the thirty-second C site, C(15) is bonded in a trigonal planar geometry to one C(12), one C(16), and one C(33) atom. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one C(1), one C(4), and one H(1) atom. The N(1)-H(1) bond length is 0.85 Å. In the second N site, N(2) is bonded in a water-like geometry to one C(6) and one C(7) atom. In the third N site, N(4) is bonded in a water-like geometry to one C(16) and one C(17) atom. In the fourth N site, N(3) is bonded in a distorted trigonal planar geometry to one C(11), one C(12), and one H(6) atom. The N(3)-H(6) bond length is 0.82 Å. There are seventeen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one N(3) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(13) atom. In the seventh H site, H(4) is bonded in a single-bond geometry to one C(8) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(18) atom. In the ninth H site, H(11) is bonded in a single-bond geometry to one C(22) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(19) atom. In the eleventh H site, H(14) is bonded in a single-bond geometry to one C(26) atom. In the twelfth H site, H(15,18) is bonded in a single-bond geometry to one C(28) atom. In the thirteenth H site, H(19) is bonded in a single-bond geometry to one C(34) atom. In the fourteenth H site, H(22) is bonded in a single-bond geometry to one C(38) atom. In the fifteenth H site, H(23) is bonded in a single-bond geometry to one C(40) atom. In the sixteenth H site, H(26) is bonded in a single-bond geometry to one C(44) atom. In the seventeenth H site, H(8) is bonded in a single-bond geometry to one C(14) atom. Linkers: 4 [O]S([O])([O])c1ccc(-c2c3nc(c(-c4ccc(S([O])([O])[O])cc4)c4ccc([nH]4)c(-c4ccc(S([O])([O])[O])cc4)c4nc(c(-c5ccc([S]=O)cc5)c5ccc2[nH]5)C=C4)C=C3)cc1. Metal clusters: 1 O=S(=O)=O.O=S(=O)=O.O=[S@](O[Eu]O)O[Eu](O)(O)O[Eu](O)(O)O[S@@](=O)O[Eu]O.[O][S@@](=O)O[Eu]O.[O][S@@](=O)O[Eu]O ,1 O=S(=O)=O.[O][S@@](=O)O[Eu](O)(O)(O[S@@](=O)O[Eu]O)O[Eu](O)(O)O[S@](=O)O[Eu]O.[O][S@](=O)O[Eu]O.[O][S@](=O)O[Eu]O. RCSR code: sql. The MOF has largest included sphere 6.11 A, density 1.54 g/cm3, surface area 3385.27 m2/g, accessible volume 0.28 cm3/g