Eu4C36H14S6O25 crystallizes in the monoclinic Pc space group. There are four inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 7-coordinate geometry to one O(1), one O(11), one O(21), one O(25), one O(3), one O(5), and one O(8) atom. The Eu(1)-O(1) bond length is 2.60 Å. The Eu(1)-O(11) bond length is 2.37 Å. The Eu(1)-O(21) bond length is 2.44 Å. The Eu(1)-O(25) bond length is 2.35 Å. The Eu(1)-O(3) bond length is 2.32 Å. The Eu(1)-O(5) bond length is 2.43 Å. The Eu(1)-O(8) bond length is 2.40 Å. In the second Eu site, Eu(2) is bonded in a 6-coordinate geometry to one O(10), one O(13), one O(20), one O(24), one O(7), and one O(9) atom. The Eu(2)-O(10) bond length is 2.41 Å. The Eu(2)-O(13) bond length is 2.33 Å. The Eu(2)-O(20) bond length is 2.43 Å. The Eu(2)-O(24) bond length is 2.35 Å. The Eu(2)-O(7) bond length is 2.42 Å. The Eu(2)-O(9) bond length is 2.51 Å. In the third Eu site, Eu(3) is bonded in a 8-coordinate geometry to one O(1), one O(12), one O(16), one O(17), one O(18), one O(2), one O(23), and one O(25) atom. The Eu(3)-O(1) bond length is 2.76 Å. The Eu(3)-O(12) bond length is 2.38 Å. The Eu(3)-O(16) bond length is 2.29 Å. The Eu(3)-O(17) bond length is 2.33 Å. The Eu(3)-O(18) bond length is 2.45 Å. The Eu(3)-O(2) bond length is 2.44 Å. The Eu(3)-O(23) bond length is 2.44 Å. The Eu(3)-O(25) bond length is 2.94 Å. In the fourth Eu site, Eu(4) is bonded in a 7-coordinate geometry to one O(10), one O(14), one O(15), one O(19), one O(22), one O(4), and one O(6) atom. The Eu(4)-O(10) bond length is 2.83 Å. The Eu(4)-O(14) bond length is 2.36 Å. The Eu(4)-O(15) bond length is 2.47 Å. The Eu(4)-O(19) bond length is 2.37 Å. The Eu(4)-O(22) bond length is 2.30 Å. The Eu(4)-O(4) bond length is 2.30 Å. The Eu(4)-O(6) bond length is 2.37 Å. There are thirty-six inequivalent C sites. In the first C site, C(1) is bonded in a bent 120 degrees geometry to one C(18), one O(10), and one O(15) atom. The C(1)-C(18) bond length is 1.51 Å. The C(1)-O(10) bond length is 1.26 Å. The C(1)-O(15) bond length is 1.24 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(18) and one H(9) atom. The C(2)-C(18) bond length is 1.36 Å. The C(2)-H(9) bond length is 0.93 Å. In the third C site, C(3) is bonded in a bent 120 degrees geometry to one C(35), one O(13), and one O(6) atom. The C(3)-C(35) bond length is 1.50 Å. The C(3)-O(13) bond length is 1.24 Å. The C(3)-O(6) bond length is 1.26 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(27), one O(16), and one O(8) atom. The C(4)-C(27) bond length is 1.52 Å. The C(4)-O(16) bond length is 1.30 Å. The C(4)-O(8) bond length is 1.24 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(21), one C(36), and one S(1) atom. The C(5)-C(21) bond length is 1.35 Å. The C(5)-C(36) bond length is 1.49 Å. The C(5)-S(1) bond length is 1.69 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(33) and one H(12) atom. The C(6)-C(33) bond length is 1.40 Å. The C(6)-H(12) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(26), one O(11), and one O(23) atom. The C(7)-C(26) bond length is 1.49 Å. The C(7)-O(11) bond length is 1.27 Å. The C(7)-O(23) bond length is 1.24 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(12) and one H(5) atom. The C(8)-C(12) bond length is 1.32 Å. The C(8)-H(5) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(24), one O(2), and one O(3) atom. The C(9)-C(24) bond length is 1.51 Å. The C(9)-O(2) bond length is 1.19 Å. The C(9)-O(3) bond length is 1.26 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(34) and one H(3) atom. The C(10)-C(34) bond length is 1.37 Å. The C(10)-H(3) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(16) and one H(8) atom. The C(11)-C(16) bond length is 1.32 Å. The C(11)-H(8) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(28), one C(8), and one S(5) atom. The C(12)-C(28) bond length is 1.49 Å. The C(12)-S(5) bond length is 1.72 Å. In the thirteenth C site, C(13) is bonded in a single-bond geometry to one C(35) and one H(6) atom. The C(13)-C(35) bond length is 1.35 Å. The C(13)-H(6) bond length is 0.93 Å. In the fourteenth C site, C(14) is bonded in a trigonal planar geometry to one C(17), one C(20), and one S(2) atom. The C(14)-C(17) bond length is 1.36 Å. The C(14)-C(20) bond length is 1.50 Å. The C(14)-S(2) bond length is 1.72 Å. In the fifteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(34), one O(14), and one O(24) atom. The C(15)-C(34) bond length is 1.49 Å. The C(15)-O(14) bond length is 1.24 Å. The C(15)-O(24) bond length is 1.25 Å. In the sixteenth C site, C(16) is bonded in a trigonal planar geometry to one C(11), one C(19), and one S(4) atom. The C(16)-C(19) bond length is 1.49 Å. The C(16)-S(4) bond length is 1.72 Å. In the seventeenth C site, C(17) is bonded in a distorted single-bond geometry to one C(14) and one H(7) atom. The C(17)-H(7) bond length is 0.93 Å. In the eighteenth C site, C(18) is bonded in a trigonal planar geometry to one C(1), one C(2), and one S(6) atom. The C(18)-S(6) bond length is 1.72 Å. In the nineteenth C site, C(19) is bonded in a distorted bent 120 degrees geometry to one C(16), one O(12), and one O(21) atom. The C(19)-O(12) bond length is 1.21 Å. The C(19)-O(21) bond length is 1.30 Å. In the twentieth C site, C(20) is bonded in a bent 120 degrees geometry to one C(14), one O(18), and one O(25) atom. The C(20)-O(18) bond length is 1.22 Å. The C(20)-O(25) bond length is 1.26 Å. In the twenty-first C site, C(21) is bonded in a distorted single-bond geometry to one C(5) and one H(13) atom. The C(21)-H(13) bond length is 0.93 Å. In the twenty-second C site, C(22) is bonded in a distorted single-bond geometry to one C(27) and one H(14) atom. The C(22)-C(27) bond length is 1.30 Å. The C(22)-H(14) bond length is 0.93 Å. In the twenty-third C site, C(23) is bonded in a trigonal planar geometry to one C(29), one C(31), and one S(3) atom. The C(23)-C(29) bond length is 1.47 Å. The C(23)-C(31) bond length is 1.31 Å. The C(23)-S(3) bond length is 1.69 Å. In the twenty-fourth C site, C(24) is bonded in a trigonal planar geometry to one C(32), one C(9), and one S(6) atom. The C(24)-C(32) bond length is 1.40 Å. The C(24)-S(6) bond length is 1.69 Å. In the twenty-fifth C site, C(25) is bonded in a distorted single-bond geometry to one C(26) and one H(2) atom. The C(25)-C(26) bond length is 1.33 Å. The C(25)-H(2) bond length is 0.93 Å. In the twenty-sixth C site, C(26) is bonded in a trigonal planar geometry to one C(25), one C(7), and one S(5) atom. The C(26)-S(5) bond length is 1.71 Å. In the twenty-seventh C site, C(27) is bonded in a trigonal planar geometry to one C(22), one C(4), and one S(1) atom. The C(27)-S(1) bond length is 1.72 Å. In the twenty-eighth C site, C(28) is bonded in a bent 120 degrees geometry to one C(12), one O(4), and one O(7) atom. The C(28)-O(4) bond length is 1.25 Å. The C(28)-O(7) bond length is 1.27 Å. In the twenty-ninth C site, C(29) is bonded in a bent 120 degrees geometry to one C(23), one O(17), and one O(5) atom. The C(29)-O(17) bond length is 1.23 Å. The C(29)-O(5) bond length is 1.31 Å. In the thirtieth C site, C(30) is bonded in a distorted bent 120 degrees geometry to one C(33), one O(20), and one O(22) atom. The C(30)-C(33) bond length is 1.49 Å. The C(30)-O(20) bond length is 1.18 Å. The C(30)-O(22) bond length is 1.29 Å. In the thirty-first C site, C(31) is bonded in a distorted single-bond geometry to one C(23) and one H(1) atom. The C(31)-H(1) bond length is 0.93 Å. In the thirty-second C site, C(32) is bonded in a distorted single-bond geometry to one C(24) and one H(11) atom. The C(32)-H(11) bond length is 0.93 Å. In the thirty-third C site, C(33) is bonded in a trigonal planar geometry to one C(30), one C(6), and one S(4) atom. The C(33)-S(4) bond length is 1.69 Å. In the thirty-fourth C site, C(34) is bonded in a trigonal planar geometry to one C(10), one C(15), and one S(3) atom. The C(34)-S(3) bond length is 1.70 Å. In the thirty-fifth C site, C(35) is bonded in a trigonal planar geometry to one C(13), one C(3), and one S(2) atom. The C(35)-S(2) bond length is 1.70 Å. In the thirty-sixth C site, C(36) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(19), and one O(9) atom. The C(36)-O(19) bond length is 1.28 Å. The C(36)-O(9) bond length is 1.23 Å. There are thirteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(31) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(25) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(10) atom. In the fourth H site, H(4,10) is bonded in a single-bond geometry to one O(1) atom. The H(4,10)-O(1) bond length is 0.97 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(8) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(13) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(17) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(11) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(2) atom. In the tenth H site, H(11) is bonded in a single-bond geometry to one C(32) atom. In the eleventh H site, H(12) is bonded in a single-bond geometry to one C(6) atom. In the twelfth H site, H(13) is bonded in a single-bond geometry to one C(21) atom. In the thirteenth H site, H(14) is bonded in a single-bond geometry to one C(22) atom. There are six inequivalent S sites. In the first S site, S(1) is bonded in an L-shaped geometry to one C(27) and one C(5) atom. In the second S site, S(2) is bonded in an L-shaped geometry to one C(14) and one C(35) atom. In the third S site, S(3) is bonded in an L-shaped geometry to one C(23) and one C(34) atom. In the fourth S site, S(4) is bonded in an L-shaped geometry to one C(16) and one C(33) atom. In the fifth S site, S(5) is bonded in an L-shaped geometry to one C(12) and one C(26) atom. In the sixth S site, S(6) is bonded in an L-shaped geometry to one C(18) and one C(24) atom. There are twenty-five inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Eu(1); one Eu(3); and two equivalent H(4,10) atoms. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Eu(3) and one C(9) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Eu(1) and one C(9) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Eu(4) and one C(28) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one Eu(1) and one C(29) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Eu(4) and one C(3) atom. In the seventh O site, O(7) is bonded in a water-like geometry to one Eu(2) and one C(28) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Eu(1) and one C(4) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Eu(2) and one C(36) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Eu(2), one Eu(4), and one C(1) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Eu(1) and one C(7) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Eu(3) and one C(19) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to one Eu(2) and one C(3) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 120 degrees geometry to one Eu(4) and one C(15) atom. In the fifteenth O site, O(15) is bonded in a water-like geometry to one Eu(4) and one C(1) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Eu(3) and one C(4) atom. In the seventeenth O site, O(17) is bonded in a distorted linear geometry to one Eu(3) and one C(29) atom. In the eighteenth O site, O(18) is bonded in a water-like geometry to one Eu(3) and one C(20) atom. In the nineteenth O site, O(19) is bonded in a bent 120 degrees geometry to one Eu(4) and one C(36) atom. In the twentieth O site, O(20) is bonded in a distorted bent 120 degrees geometry to one Eu(2) and one C(30) atom. In the twenty-first O site, O(21) is bonded in a distorted bent 150 degrees geometry to one Eu(1) and one C(19) atom. In the twenty-second O site, O(22) is bonded in a bent 150 degrees geometry to one Eu(4) and one C(30) atom. In the twenty-third O site, O(23) is bonded in a distorted bent 150 degrees geometry to one Eu(3) and one C(7) atom. In the twenty-fourth O site, O(24) is bonded in a bent 150 degrees geometry to one Eu(2) and one C(15) atom. In the twenty-fifth O site, O(25) is bonded in a distorted linear geometry to one Eu(1), one Eu(3), and one C(20) atom. Linkers: 12 [O]C(=O)c1ccc(C([O])=O)s1. Metal clusters: 8 [Eu]. The MOF has largest included sphere 5.99 A, density 1.67 g/cm3, surface area 2719.93 m2/g, accessible volume 0.28 cm3/g