CeH19(C17O4)2 crystallizes in the triclinic P1 space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(14), one O(15), one O(16), one O(5), and one O(8) atom. The Ce(1)-O(1) bond length is 2.40 Å. The Ce(1)-O(10) bond length is 2.45 Å. The Ce(1)-O(11) bond length is 2.40 Å. The Ce(1)-O(14) bond length is 2.52 Å. The Ce(1)-O(15) bond length is 2.46 Å. The Ce(1)-O(16) bond length is 2.64 Å. The Ce(1)-O(5) bond length is 2.46 Å. The Ce(1)-O(8) bond length is 2.44 Å. In the second Ce site, Ce(2) is bonded in a 8-coordinate geometry to one O(12), one O(13), one O(15), one O(16), one O(2), one O(6), one O(7), and one O(9) atom. The Ce(2)-O(12) bond length is 2.38 Å. The Ce(2)-O(13) bond length is 2.52 Å. The Ce(2)-O(15) bond length is 2.65 Å. The Ce(2)-O(16) bond length is 2.47 Å. The Ce(2)-O(2) bond length is 2.42 Å. The Ce(2)-O(6) bond length is 2.45 Å. The Ce(2)-O(7) bond length is 2.44 Å. The Ce(2)-O(9) bond length is 2.47 Å. There are sixty-four inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(11,12); one C(13); and one C(3,4) atom. The C(1)-C(11,12) bond length is 1.40 Å. The C(1)-C(13) bond length is 1.48 Å. The C(1)-C(3,4) bond length is 1.42 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(11,12); one C(14); and one C(3,4) atom. The C(2)-C(11,12) bond length is 1.40 Å. The C(2)-C(14) bond length is 1.48 Å. The C(2)-C(3,4) bond length is 1.42 Å. In the third C site, C(3,4) is bonded in a trigonal planar geometry to one C(1), one C(27), and one C(5) atom. The C(3,4)-C(27) bond length is 1.48 Å. The C(3,4)-C(5) bond length is 1.40 Å. In the fourth C site, C(5) is bonded in a distorted single-bond geometry to one C(3,4); one C(7); and one H(3,4) atom. The C(5)-C(7) bond length is 1.41 Å. The C(5)-H(3,4) bond length is 1.09 Å. In the fifth C site, C(6) is bonded in a distorted single-bond geometry to one C(3,4); one C(8); and one H(3,4) atom. The C(6)-C(3,4) bond length is 1.40 Å. The C(6)-C(8) bond length is 1.41 Å. The C(6)-H(3,4) bond length is 1.09 Å. In the sixth C site, C(7) is bonded in a trigonal planar geometry to one C(41), one C(5), and one C(9) atom. The C(7)-C(41) bond length is 1.48 Å. The C(7)-C(9) bond length is 1.42 Å. In the seventh C site, C(8) is bonded in a trigonal planar geometry to one C(10), one C(42), and one C(6) atom. The C(8)-C(10) bond length is 1.42 Å. The C(8)-C(42) bond length is 1.48 Å. In the eighth C site, C(9) is bonded in a trigonal planar geometry to one C(11,12); one C(55); and one C(7) atom. The C(9)-C(11,12) bond length is 1.40 Å. The C(9)-C(55) bond length is 1.49 Å. In the ninth C site, C(10) is bonded in a trigonal planar geometry to one C(11,12); one C(56); and one C(8) atom. The C(10)-C(11,12) bond length is 1.40 Å. The C(10)-C(56) bond length is 1.49 Å. In the tenth C site, C(11,12) is bonded in a distorted single-bond geometry to one C(1), one C(9), and one H(5) atom. The C(11,12)-H(5) bond length is 1.09 Å. In the eleventh C site, C(13) is bonded in a trigonal planar geometry to one C(1), one C(15), and one C(23) atom. The C(13)-C(15) bond length is 1.41 Å. The C(13)-C(23) bond length is 1.41 Å. In the twelfth C site, C(14) is bonded in a trigonal planar geometry to one C(16), one C(2), and one C(24) atom. The C(14)-C(16) bond length is 1.41 Å. The C(14)-C(24) bond length is 1.41 Å. In the thirteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(13), one C(17), and one H(7) atom. The C(15)-C(17) bond length is 1.38 Å. The C(15)-H(7) bond length is 1.09 Å. In the fourteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(14), one C(18), and one H(8) atom. The C(16)-C(18) bond length is 1.38 Å. The C(16)-H(8) bond length is 1.09 Å. In the fifteenth C site, C(17) is bonded in a distorted trigonal planar geometry to one C(15), one C(19), and one H(9) atom. The C(17)-C(19) bond length is 1.41 Å. The C(17)-H(9) bond length is 1.09 Å. In the sixteenth C site, C(18) is bonded in a distorted trigonal planar geometry to one C(16), one C(20), and one H(10) atom. The C(18)-C(20) bond length is 1.40 Å. The C(18)-H(10) bond length is 1.09 Å. In the seventeenth C site, C(19) is bonded in a trigonal planar geometry to one C(17), one C(21), and one C(25) atom. The C(19)-C(21) bond length is 1.41 Å. The C(19)-C(25) bond length is 1.46 Å. In the eighteenth C site, C(20) is bonded in a trigonal planar geometry to one C(18), one C(22), and one C(26) atom. The C(20)-C(22) bond length is 1.40 Å. The C(20)-C(26) bond length is 1.47 Å. In the nineteenth C site, C(21) is bonded in a distorted trigonal planar geometry to one C(19), one C(23), and one H(11) atom. The C(21)-C(23) bond length is 1.39 Å. The C(21)-H(11) bond length is 1.09 Å. In the twentieth C site, C(22) is bonded in a distorted trigonal planar geometry to one C(20), one C(24), and one H(12) atom. The C(22)-C(24) bond length is 1.39 Å. The C(22)-H(12) bond length is 1.09 Å. In the twenty-first C site, C(23) is bonded in a distorted trigonal planar geometry to one C(13), one C(21), and one H(13) atom. The C(23)-H(13) bond length is 1.09 Å. In the twenty-second C site, C(24) is bonded in a distorted trigonal planar geometry to one C(14), one C(22), and one H(14) atom. The C(24)-H(14) bond length is 1.09 Å. In the twenty-third C site, C(25) is bonded in a distorted bent 120 degrees geometry to one C(19), one O(1), and one O(3) atom. The C(25)-O(1) bond length is 1.26 Å. The C(25)-O(3) bond length is 1.33 Å. In the twenty-fourth C site, C(26) is bonded in a distorted bent 120 degrees geometry to one C(20), one O(2), and one O(4) atom. The C(26)-O(2) bond length is 1.25 Å. The C(26)-O(4) bond length is 1.32 Å. In the twenty-fifth C site, C(27) is bonded in a trigonal planar geometry to one C(29,30); one C(3,4); and one C(37,38) atom. The C(27)-C(29,30) bond length is 1.40 Å. The C(27)-C(37,38) bond length is 1.41 Å. In the twenty-sixth C site, C(28) is bonded in a trigonal planar geometry to one C(29,30); one C(3,4); and one C(37,38) atom. The C(28)-C(29,30) bond length is 1.40 Å. The C(28)-C(3,4) bond length is 1.48 Å. The C(28)-C(37,38) bond length is 1.41 Å. In the twenty-seventh C site, C(29,30) is bonded in a distorted single-bond geometry to one C(27), one C(31), and one H(15) atom. The C(29,30)-C(31) bond length is 1.38 Å. The C(29,30)-H(15) bond length is 1.09 Å. In the twenty-eighth C site, C(31) is bonded in a distorted trigonal planar geometry to one C(29,30); one C(33); and one H(17,18) atom. The C(31)-C(33) bond length is 1.40 Å. The C(31)-H(17,18) bond length is 1.09 Å. In the twenty-ninth C site, C(32) is bonded in a distorted trigonal planar geometry to one C(29,30); one C(34); and one H(17,18) atom. The C(32)-C(29,30) bond length is 1.38 Å. The C(32)-C(34) bond length is 1.40 Å. The C(32)-H(17,18) bond length is 1.09 Å. In the thirtieth C site, C(33) is bonded in a trigonal planar geometry to one C(31), one C(35), and one C(39) atom. The C(33)-C(35) bond length is 1.40 Å. The C(33)-C(39) bond length is 1.49 Å. In the thirty-first C site, C(34) is bonded in a trigonal planar geometry to one C(32), one C(36), and one C(40) atom. The C(34)-C(36) bond length is 1.40 Å. The C(34)-C(40) bond length is 1.49 Å. In the thirty-second C site, C(35) is bonded in a distorted trigonal planar geometry to one C(33); one C(37,38); and one H(19,20) atom. The C(35)-C(37,38) bond length is 1.39 Å. The C(35)-H(19,20) bond length is 1.09 Å. In the thirty-third C site, C(36) is bonded in a distorted trigonal planar geometry to one C(34); one C(37,38); and one H(19,20) atom. The C(36)-C(37,38) bond length is 1.39 Å. The C(36)-H(19,20) bond length is 1.09 Å. In the thirty-fourth C site, C(37,38) is bonded in a distorted trigonal planar geometry to one C(27), one C(35), and one H(21) atom. The C(37,38)-H(21) bond length is 1.09 Å. In the thirty-fifth C site, C(39) is bonded in a distorted bent 120 degrees geometry to one C(33), one O(5), and one O(7) atom. The C(39)-O(5) bond length is 1.30 Å. The C(39)-O(7) bond length is 1.27 Å. In the thirty-sixth C site, C(40) is bonded in a distorted bent 120 degrees geometry to one C(34), one O(6), and one O(8) atom. The C(40)-O(6) bond length is 1.30 Å. The C(40)-O(8) bond length is 1.27 Å. In the thirty-seventh C site, C(41) is bonded in a trigonal planar geometry to one C(43), one C(51), and one C(7) atom. The C(41)-C(43) bond length is 1.41 Å. The C(41)-C(51) bond length is 1.41 Å. In the thirty-eighth C site, C(42) is bonded in a trigonal planar geometry to one C(44), one C(52), and one C(8) atom. The C(42)-C(44) bond length is 1.41 Å. The C(42)-C(52) bond length is 1.41 Å. In the thirty-ninth C site, C(43) is bonded in a distorted single-bond geometry to one C(41) and one H(23,24) atom. The C(43)-H(23,24) bond length is 1.09 Å. In the fortieth C site, C(44) is bonded in a distorted single-bond geometry to one C(42) and one H(23,24) atom. The C(44)-H(23,24) bond length is 1.09 Å. In the forty-first C site, C(45) is bonded in a distorted single-bond geometry to one C(47) and one H(25) atom. The C(45)-C(47) bond length is 1.40 Å. The C(45)-H(25) bond length is 1.09 Å. In the forty-second C site, C(46) is bonded in a distorted single-bond geometry to one C(48) and one H(26) atom. The C(46)-C(48) bond length is 1.40 Å. The C(46)-H(26) bond length is 1.09 Å. In the forty-third C site, C(47) is bonded in a trigonal planar geometry to one C(45), one C(49), and one C(53) atom. The C(47)-C(49) bond length is 1.40 Å. The C(47)-C(53) bond length is 1.50 Å. In the forty-fourth C site, C(48) is bonded in a trigonal planar geometry to one C(46), one C(50), and one C(54) atom. The C(48)-C(50) bond length is 1.40 Å. The C(48)-C(54) bond length is 1.49 Å. In the forty-fifth C site, C(49) is bonded in a distorted trigonal planar geometry to one C(47), one C(51), and one H(27) atom. The C(49)-C(51) bond length is 1.39 Å. The C(49)-H(27) bond length is 1.09 Å. In the forty-sixth C site, C(50) is bonded in a distorted trigonal planar geometry to one C(48), one C(52), and one H(28) atom. The C(50)-C(52) bond length is 1.39 Å. The C(50)-H(28) bond length is 1.09 Å. In the forty-seventh C site, C(51) is bonded in a distorted single-bond geometry to one C(41); one C(49); and one H(29,30) atom. The C(51)-H(29,30) bond length is 1.09 Å. In the forty-eighth C site, C(52) is bonded in a distorted single-bond geometry to one C(42); one C(50); and one H(29,30) atom. The C(52)-H(29,30) bond length is 1.09 Å. In the forty-ninth C site, C(53) is bonded in a distorted bent 120 degrees geometry to one C(47), one O(11), and one O(9) atom. The C(53)-O(11) bond length is 1.28 Å. The C(53)-O(9) bond length is 1.27 Å. In the fiftieth C site, C(54) is bonded in a distorted bent 120 degrees geometry to one C(48), one O(10), and one O(12) atom. The C(54)-O(10) bond length is 1.27 Å. The C(54)-O(12) bond length is 1.28 Å. In the fifty-first C site, C(55) is bonded in a trigonal planar geometry to one C(57), one C(65), and one C(9) atom. The C(55)-C(57) bond length is 1.41 Å. The C(55)-C(65) bond length is 1.41 Å. In the fifty-second C site, C(56) is bonded in a trigonal planar geometry to one C(10), one C(58), and one C(66) atom. The C(56)-C(58) bond length is 1.41 Å. The C(56)-C(66) bond length is 1.41 Å. In the fifty-third C site, C(57) is bonded in a distorted single-bond geometry to one C(55), one C(59), and one H(31) atom. The C(57)-C(59) bond length is 1.39 Å. The C(57)-H(31) bond length is 1.09 Å. In the fifty-fourth C site, C(58) is bonded in a distorted single-bond geometry to one C(56), one C(60), and one H(32) atom. The C(58)-C(60) bond length is 1.39 Å. The C(58)-H(32) bond length is 1.09 Å. In the fifty-fifth C site, C(59) is bonded in a distorted trigonal planar geometry to one C(57), one C(61), and one H(33) atom. The C(59)-C(61) bond length is 1.40 Å. The C(59)-H(33) bond length is 1.09 Å. In the fifty-sixth C site, C(60) is bonded in a distorted trigonal planar geometry to one C(58), one C(62), and one H(34) atom. The C(60)-C(62) bond length is 1.40 Å. The C(60)-H(34) bond length is 1.09 Å. In the fifty-seventh C site, C(61) is bonded in a trigonal planar geometry to one C(59), one C(63), and one C(67) atom. The C(61)-C(63) bond length is 1.40 Å. The C(61)-C(67) bond length is 1.48 Å. In the fifty-eighth C site, C(62) is bonded in a trigonal planar geometry to one C(60), one C(64), and one C(68) atom. The C(62)-C(64) bond length is 1.40 Å. The C(62)-C(68) bond length is 1.48 Å. In the fifty-ninth C site, C(63) is bonded in a distorted trigonal planar geometry to one C(61), one C(65), and one H(35) atom. The C(63)-C(65) bond length is 1.39 Å. The C(63)-H(35) bond length is 1.09 Å. In the sixtieth C site, C(64) is bonded in a distorted trigonal planar geometry to one C(62), one C(66), and one H(36) atom. The C(64)-C(66) bond length is 1.39 Å. The C(64)-H(36) bond length is 1.09 Å. In the sixty-first C site, C(65) is bonded in a distorted single-bond geometry to one C(55), one C(63), and one H(37) atom. The C(65)-H(37) bond length is 1.09 Å. In the sixty-second C site, C(66) is bonded in a distorted single-bond geometry to one C(56), one C(64), and one H(38) atom. The C(66)-H(38) bond length is 1.09 Å. In the sixty-third C site, C(67) is bonded in a bent 120 degrees geometry to one C(61), one O(13), and one O(15) atom. The C(67)-O(13) bond length is 1.27 Å. The C(67)-O(15) bond length is 1.30 Å. In the sixty-fourth C site, C(68) is bonded in a bent 120 degrees geometry to one C(62), one O(14), and one O(16) atom. The C(68)-O(14) bond length is 1.27 Å. The C(68)-O(16) bond length is 1.30 Å. There are thirty-three inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(3) and one O(6) atom. The H(1)-O(3) bond length is 1.02 Å. The H(1)-O(6) bond length is 1.61 Å. In the second H site, H(2) is bonded in a linear geometry to one O(4) and one O(5) atom. The H(2)-O(4) bond length is 1.02 Å. The H(2)-O(5) bond length is 1.58 Å. In the third H site, H(3,4) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(11,12) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(11,12) atom. The H(6)-C(11,12) bond length is 1.09 Å. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(15) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(16) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(17) atom. In the ninth H site, H(10) is bonded in a single-bond geometry to one C(18) atom. In the tenth H site, H(11) is bonded in a single-bond geometry to one C(21) atom. In the eleventh H site, H(12) is bonded in a single-bond geometry to one C(22) atom. In the twelfth H site, H(13) is bonded in a single-bond geometry to one C(23) atom. In the thirteenth H site, H(14) is bonded in a single-bond geometry to one C(24) atom. In the fourteenth H site, H(15) is bonded in a single-bond geometry to one C(29,30) atom. In the fifteenth H site, H(16) is bonded in a single-bond geometry to one C(29,30) atom. The H(16)-C(29,30) bond length is 1.09 Å. In the sixteenth H site, H(17,18) is bonded in a single-bond geometry to one C(31) atom. In the seventeenth H site, H(19,20) is bonded in a single-bond geometry to one C(35) atom. In the eighteenth H site, H(21) is bonded in a single-bond geometry to one C(37,38) atom. In the nineteenth H site, H(22) is bonded in a single-bond geometry to one C(37,38) atom. The H(22)-C(37,38) bond length is 1.09 Å. In the twentieth H site, H(23,24) is bonded in a single-bond geometry to one C(43) atom. In the twenty-first H site, H(25) is bonded in a single-bond geometry to one C(45) atom. In the twenty-second H site, H(26) is bonded in a single-bond geometry to one C(46) atom. In the twenty-third H site, H(27) is bonded in a single-bond geometry to one C(49) atom. In the twenty-fourth H site, H(28) is bonded in a single-bond geometry to one C(50) atom. In the twenty-fifth H site, H(29,30) is bonded in a single-bond geometry to one C(51) atom. In the twenty-sixth H site, H(31) is bonded in a single-bond geometry to one C(57) atom. In the twenty-seventh H site, H(32) is bonded in a single-bond geometry to one C(58) atom. In the twenty-eighth H site, H(33) is bonded in a single-bond geometry to one C(59) atom. In the twenty-ninth H site, H(34) is bonded in a single-bond geometry to one C(60) atom. In the thirtieth H site, H(35) is bonded in a single-bond geometry to one C(63) atom. In the thirty-first H site, H(36) is bonded in a single-bond geometry to one C(64) atom. In the thirty-second H site, H(37) is bonded in a single-bond geometry to one C(65) atom. In the thirty-third H site, H(38) is bonded in a single-bond geometry to one C(66) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Ce(1) and one C(25) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Ce(2) and one C(26) atom. In the third O site, O(3) is bonded in a water-like geometry to one C(25) and one H(1) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one C(26) and one H(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Ce(1), one C(39), and one H(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Ce(2), one C(40), and one H(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Ce(2) and one C(39) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Ce(1) and one C(40) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Ce(2) and one C(53) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Ce(1) and one C(54) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Ce(1) and one C(53) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Ce(2) and one C(54) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Ce(2) and one C(67) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one Ce(1) and one C(68) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one Ce(1), one Ce(2), and one C(67) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one Ce(1), one Ce(2), and one C(68) atom. Linkers: 2 [O]C(=O)c1ccc(-c2cc(-c3ccc(C([O])=O)cc3)c(-c3ccc(C(=O)O)cc3)cc2-c2ccc(C([O])=O)cc2)cc1. Metal clusters: 2 [Ce]. The MOF has largest included sphere 4.38 A, density 1.46 g/cm3, surface area 3753.59 m2/g, accessible volume 0.18 cm3/g