UP2H10(C2O3)3 crystallizes in the triclinic P1 space group. There are four inequivalent U sites. In the first U site, U(1) is bonded in a 7-coordinate geometry to one O(1), one O(27), one O(30), one O(32), one O(33), one O(51), and one O(53) atom. The U(1)-O(1) bond length is 2.68 Å. The U(1)-O(27) bond length is 2.30 Å. The U(1)-O(30) bond length is 2.30 Å. The U(1)-O(32) bond length is 2.37 Å. The U(1)-O(33) bond length is 2.32 Å. The U(1)-O(51) bond length is 1.83 Å. The U(1)-O(53) bond length is 1.81 Å. In the second U site, U(2) is bonded in a 7-coordinate geometry to one O(2), one O(28), one O(29), one O(31), one O(34), one O(52), and one O(54) atom. The U(2)-O(2) bond length is 2.68 Å. The U(2)-O(28) bond length is 2.30 Å. The U(2)-O(29) bond length is 2.30 Å. The U(2)-O(31) bond length is 2.37 Å. The U(2)-O(34) bond length is 2.32 Å. The U(2)-O(52) bond length is 1.83 Å. The U(2)-O(54) bond length is 1.81 Å. In the third U site, U(3,4) is bonded in a 7-coordinate geometry to one O(11,12); one O(17); one O(23); one O(3,4); one O(37); one O(43,44); and one O(47,48) atom. The U(3,4)-O(11,12) bond length is 2.31 Å. The U(3,4)-O(17) bond length is 2.35 Å. The U(3,4)-O(23) bond length is 2.30 Å. The U(3,4)-O(3,4) bond length is 2.61 Å. The U(3,4)-O(37) bond length is 2.42 Å. The U(3,4)-O(43,44) bond length is 1.82 Å. The U(3,4)-O(47,48) bond length is 1.82 Å. In the fourth U site, U(5,6) is bonded in a 7-coordinate geometry to one O(13); one O(15,16); one O(25); one O(35); one O(45,46); one O(49,50); and one O(5,6) atom. The U(5,6)-O(13) bond length is 2.30 Å. The U(5,6)-O(15,16) bond length is 2.34 Å. The U(5,6)-O(25) bond length is 2.30 Å. The U(5,6)-O(35) bond length is 2.44 Å. The U(5,6)-O(45,46) bond length is 1.83 Å. The U(5,6)-O(49,50) bond length is 1.82 Å. The U(5,6)-O(5,6) bond length is 2.62 Å. There are twenty-eight inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(21,22); one C(25,26); and one C(5,6) atom. The C(1)-C(21,22) bond length is 1.40 Å. The C(1)-C(25,26) bond length is 1.49 Å. The C(1)-C(5,6) bond length is 1.40 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(21,22); one C(25,26); and one C(5,6) atom. The C(2)-C(21,22) bond length is 1.40 Å. The C(2)-C(25,26) bond length is 1.49 Å. The C(2)-C(5,6) bond length is 1.40 Å. In the third C site, C(3,4) is bonded in a trigonal planar geometry to one C(23), one C(27), and one C(7) atom. The C(3,4)-C(23) bond length is 1.40 Å. The C(3,4)-C(27) bond length is 1.49 Å. The C(3,4)-C(7) bond length is 1.40 Å. In the fourth C site, C(5,6) is bonded in a distorted single-bond geometry to one C(1), one C(9), and one H(25) atom. The C(5,6)-C(9) bond length is 1.40 Å. The C(5,6)-H(25) bond length is 1.09 Å. In the fifth C site, C(7) is bonded in a distorted single-bond geometry to one C(11,12); one C(3,4); and one H(27,28) atom. The C(7)-C(11,12) bond length is 1.40 Å. The C(7)-H(27,28) bond length is 1.09 Å. In the sixth C site, C(8) is bonded in a distorted single-bond geometry to one C(11,12); one C(3,4); and one H(27,28) atom. The C(8)-C(11,12) bond length is 1.40 Å. The C(8)-C(3,4) bond length is 1.40 Å. The C(8)-H(27,28) bond length is 1.09 Å. In the seventh C site, C(9) is bonded in a trigonal planar geometry to one C(13,14); one C(29); and one C(5,6) atom. The C(9)-C(13,14) bond length is 1.40 Å. The C(9)-C(29) bond length is 1.50 Å. In the eighth C site, C(10) is bonded in a trigonal planar geometry to one C(13,14); one C(30); and one C(5,6) atom. The C(10)-C(13,14) bond length is 1.40 Å. The C(10)-C(30) bond length is 1.50 Å. The C(10)-C(5,6) bond length is 1.40 Å. In the ninth C site, C(11,12) is bonded in a trigonal planar geometry to one C(15,16); one C(31); and one C(7) atom. The C(11,12)-C(15,16) bond length is 1.40 Å. The C(11,12)-C(31) bond length is 1.50 Å. In the tenth C site, C(13,14) is bonded in a distorted trigonal planar geometry to one C(17), one C(9), and one H(29) atom. The C(13,14)-C(17) bond length is 1.40 Å. The C(13,14)-H(29) bond length is 1.09 Å. In the eleventh C site, C(15,16) is bonded in a distorted trigonal planar geometry to one C(11,12); one C(19,20); and one H(31,32) atom. The C(15,16)-C(19,20) bond length is 1.40 Å. The C(15,16)-H(31,32) bond length is 1.09 Å. In the twelfth C site, C(17) is bonded in a trigonal planar geometry to one C(13,14); one C(21,22); and one C(33) atom. The C(17)-C(21,22) bond length is 1.40 Å. The C(17)-C(33) bond length is 1.50 Å. In the thirteenth C site, C(18) is bonded in a trigonal planar geometry to one C(13,14); one C(21,22); and one C(34) atom. The C(18)-C(13,14) bond length is 1.40 Å. The C(18)-C(21,22) bond length is 1.40 Å. The C(18)-C(34) bond length is 1.50 Å. In the fourteenth C site, C(19,20) is bonded in a trigonal planar geometry to one C(15,16); one C(23); and one C(35) atom. The C(19,20)-C(23) bond length is 1.40 Å. The C(19,20)-C(35) bond length is 1.50 Å. In the fifteenth C site, C(21,22) is bonded in a distorted single-bond geometry to one C(1); one C(17); and one H(33,34) atom. The C(21,22)-H(33,34) bond length is 1.09 Å. In the sixteenth C site, C(23) is bonded in a distorted single-bond geometry to one C(19,20); one C(3,4); and one H(35,36) atom. The C(23)-H(35,36) bond length is 1.09 Å. In the seventeenth C site, C(24) is bonded in a distorted single-bond geometry to one C(19,20); one C(3,4); and one H(35,36) atom. The C(24)-C(19,20) bond length is 1.40 Å. The C(24)-C(3,4) bond length is 1.40 Å. The C(24)-H(35,36) bond length is 1.09 Å. In the eighteenth C site, C(25,26) is bonded in a distorted water-like geometry to one C(1); one P(1); one H(37,38); and one H(41,42) atom. The C(25,26)-P(1) bond length is 1.80 Å. The C(25,26)-H(37,38) bond length is 1.09 Å. The C(25,26)-H(41,42) bond length is 1.10 Å. In the nineteenth C site, C(27) is bonded in a distorted water-like geometry to one C(3,4); one P(3,4); one H(39,40); and one H(43,44) atom. The C(27)-P(3,4) bond length is 1.79 Å. The C(27)-H(39,40) bond length is 1.09 Å. The C(27)-H(43,44) bond length is 1.10 Å. In the twentieth C site, C(28) is bonded in a distorted water-like geometry to one C(3,4); one P(3,4); one H(39,40); and one H(43,44) atom. The C(28)-C(3,4) bond length is 1.49 Å. The C(28)-P(3,4) bond length is 1.79 Å. The C(28)-H(39,40) bond length is 1.09 Å. The C(28)-H(43,44) bond length is 1.10 Å. In the twenty-first C site, C(29) is bonded in a distorted tetrahedral geometry to one C(9), one P(5), one H(45), and one H(49) atom. The C(29)-P(5) bond length is 1.82 Å. The C(29)-H(45) bond length is 1.10 Å. The C(29)-H(49) bond length is 1.10 Å. In the twenty-second C site, C(30) is bonded in a distorted tetrahedral geometry to one C(10), one P(6), one H(46), and one H(50) atom. The C(30)-P(6) bond length is 1.82 Å. The C(30)-H(46) bond length is 1.10 Å. The C(30)-H(50) bond length is 1.10 Å. In the twenty-third C site, C(31) is bonded in a distorted tetrahedral geometry to one C(11,12); one P(7,8); one H(47,48); and one H(51,52) atom. The C(31)-P(7,8) bond length is 1.82 Å. The C(31)-H(47,48) bond length is 1.10 Å. The C(31)-H(51,52) bond length is 1.10 Å. In the twenty-fourth C site, C(32) is bonded in a distorted tetrahedral geometry to one C(11,12); one P(7,8); one H(47,48); and one H(51,52) atom. The C(32)-C(11,12) bond length is 1.50 Å. The C(32)-P(7,8) bond length is 1.82 Å. The C(32)-H(47,48) bond length is 1.10 Å. The C(32)-H(51,52) bond length is 1.10 Å. In the twenty-fifth C site, C(33) is bonded in a distorted water-like geometry to one C(17); one P(9); one H(53,54); and one H(57,58) atom. The C(33)-P(9) bond length is 1.81 Å. The C(33)-H(53,54) bond length is 1.10 Å. The C(33)-H(57,58) bond length is 1.10 Å. In the twenty-sixth C site, C(34) is bonded in a distorted water-like geometry to one C(18); one P(10); one H(53,54); and one H(57,58) atom. The C(34)-P(10) bond length is 1.81 Å. The C(34)-H(53,54) bond length is 1.10 Å. The C(34)-H(57,58) bond length is 1.10 Å. In the twenty-seventh C site, C(35) is bonded in a distorted water-like geometry to one C(19,20); one P(11); one H(55,56); and one H(59,60) atom. The C(35)-P(11) bond length is 1.81 Å. The C(35)-H(55,56) bond length is 1.10 Å. The C(35)-H(59,60) bond length is 1.10 Å. In the twenty-eighth C site, C(36) is bonded in a distorted water-like geometry to one C(19,20); one P(12); one H(55,56); and one H(59,60) atom. The C(36)-C(19,20) bond length is 1.50 Å. The C(36)-P(12) bond length is 1.81 Å. The C(36)-H(55,56) bond length is 1.10 Å. The C(36)-H(59,60) bond length is 1.10 Å. There are ten inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one C(25,26); one O(11,12); one O(15,16); and one O(7,8) atom. The P(1)-O(11,12) bond length is 1.53 Å. The P(1)-O(15,16) bond length is 1.52 Å. The P(1)-O(7,8) bond length is 1.60 Å. In the second P site, P(2) is bonded in a tetrahedral geometry to one C(25,26); one O(11,12); one O(15,16); and one O(7,8) atom. The P(2)-C(25,26) bond length is 1.80 Å. The P(2)-O(11,12) bond length is 1.53 Å. The P(2)-O(15,16) bond length is 1.52 Å. The P(2)-O(7,8) bond length is 1.60 Å. In the third P site, P(3,4) is bonded in a tetrahedral geometry to one C(27), one O(13), one O(17), and one O(9) atom. The P(3,4)-O(13) bond length is 1.53 Å. The P(3,4)-O(17) bond length is 1.52 Å. The P(3,4)-O(9) bond length is 1.60 Å. In the fourth P site, P(5) is bonded in a tetrahedral geometry to one C(29), one O(19), one O(23), and one O(27) atom. The P(5)-O(19) bond length is 1.60 Å. The P(5)-O(23) bond length is 1.53 Å. The P(5)-O(27) bond length is 1.51 Å. In the fifth P site, P(6) is bonded in a tetrahedral geometry to one C(30), one O(20), one O(24), and one O(28) atom. The P(6)-O(20) bond length is 1.60 Å. The P(6)-O(24) bond length is 1.53 Å. The P(6)-O(28) bond length is 1.51 Å. In the sixth P site, P(7,8) is bonded in a tetrahedral geometry to one C(31), one O(21), one O(25), and one O(29) atom. The P(7,8)-O(21) bond length is 1.61 Å. The P(7,8)-O(25) bond length is 1.53 Å. The P(7,8)-O(29) bond length is 1.51 Å. In the seventh P site, P(9) is bonded in a distorted tetrahedral geometry to one C(33), one O(31), one O(35), and one O(39) atom. The P(9)-O(31) bond length is 1.53 Å. The P(9)-O(35) bond length is 1.52 Å. The P(9)-O(39) bond length is 1.62 Å. In the eighth P site, P(10) is bonded in a distorted tetrahedral geometry to one C(34), one O(32), one O(36), and one O(40) atom. The P(10)-O(32) bond length is 1.53 Å. The P(10)-O(36) bond length is 1.52 Å. The P(10)-O(40) bond length is 1.62 Å. In the ninth P site, P(11) is bonded in a distorted tetrahedral geometry to one C(35), one O(33), one O(37), and one O(41) atom. The P(11)-O(33) bond length is 1.53 Å. The P(11)-O(37) bond length is 1.52 Å. The P(11)-O(41) bond length is 1.61 Å. In the tenth P site, P(12) is bonded in a distorted tetrahedral geometry to one C(36), one O(34), one O(38), and one O(42) atom. The P(12)-O(34) bond length is 1.53 Å. The P(12)-O(38) bond length is 1.52 Å. The P(12)-O(42) bond length is 1.61 Å. There are thirty-five inequivalent H sites. In the first H site, H(1,2) is bonded in a single-bond geometry to one O(1) atom. The H(1,2)-O(1) bond length is 0.97 Å. In the second H site, H(3,4) is bonded in a single-bond geometry to one O(1) atom. The H(3,4)-O(1) bond length is 0.97 Å. In the third H site, H(5,6) is bonded in a single-bond geometry to one O(3,4) atom. The H(5,6)-O(3,4) bond length is 0.98 Å. In the fourth H site, H(7,8) is bonded in a single-bond geometry to one O(5,6) atom. The H(7,8)-O(5,6) bond length is 0.98 Å. In the fifth H site, H(9,10) is bonded in a single-bond geometry to one O(3,4) atom. The H(9,10)-O(3,4) bond length is 0.98 Å. In the sixth H site, H(11,12) is bonded in a single-bond geometry to one O(5,6) atom. The H(11,12)-O(5,6) bond length is 0.98 Å. In the seventh H site, H(13) is bonded in a single-bond geometry to one O(7,8) atom. The H(13)-O(7,8) bond length is 0.99 Å. In the eighth H site, H(14) is bonded in a single-bond geometry to one O(7,8) atom. The H(14)-O(7,8) bond length is 0.99 Å. In the ninth H site, H(15,16) is bonded in a single-bond geometry to one O(9) atom. The H(15,16)-O(9) bond length is 0.99 Å. In the tenth H site, H(17,18) is bonded in a single-bond geometry to one O(19) atom. The H(17,18)-O(19) bond length is 0.98 Å. In the eleventh H site, H(19,20) is bonded in a single-bond geometry to one O(21) atom. The H(19,20)-O(21) bond length is 0.98 Å. In the twelfth H site, H(21,22) is bonded in a single-bond geometry to one O(39) atom. The H(21,22)-O(39) bond length is 0.98 Å. In the thirteenth H site, H(23,24) is bonded in a single-bond geometry to one O(41) atom. The H(23,24)-O(41) bond length is 0.99 Å. In the fourteenth H site, H(25) is bonded in a single-bond geometry to one C(5,6) atom. In the fifteenth H site, H(26) is bonded in a single-bond geometry to one C(5,6) atom. The H(26)-C(5,6) bond length is 1.09 Å. In the sixteenth H site, H(27,28) is bonded in a single-bond geometry to one C(7) atom. In the seventeenth H site, H(29) is bonded in a single-bond geometry to one C(13,14) atom. In the eighteenth H site, H(30) is bonded in a single-bond geometry to one C(13,14) atom. The H(30)-C(13,14) bond length is 1.09 Å. In the nineteenth H site, H(31,32) is bonded in a single-bond geometry to one C(15,16) atom. In the twentieth H site, H(33,34) is bonded in a single-bond geometry to one C(21,22) atom. In the twenty-first H site, H(35,36) is bonded in a single-bond geometry to one C(23) atom. In the twenty-second H site, H(37,38) is bonded in a single-bond geometry to one C(25,26) atom. In the twenty-third H site, H(39,40) is bonded in a single-bond geometry to one C(27) atom. In the twenty-fourth H site, H(41,42) is bonded in a single-bond geometry to one C(25,26) atom. In the twenty-fifth H site, H(43,44) is bonded in a single-bond geometry to one C(27) atom. In the twenty-sixth H site, H(45) is bonded in a single-bond geometry to one C(29) atom. In the twenty-seventh H site, H(46) is bonded in a single-bond geometry to one C(30) atom. In the twenty-eighth H site, H(47,48) is bonded in a single-bond geometry to one C(31) atom. In the twenty-ninth H site, H(49) is bonded in a single-bond geometry to one C(29) atom. In the thirtieth H site, H(50) is bonded in a single-bond geometry to one C(30) atom. In the thirty-first H site, H(51,52) is bonded in a single-bond geometry to one C(31) atom. In the thirty-second H site, H(53,54) is bonded in a single-bond geometry to one C(33) atom. In the thirty-third H site, H(55,56) is bonded in a single-bond geometry to one C(35) atom. In the thirty-fourth H site, H(57,58) is bonded in a single-bond geometry to one C(33) atom. In the thirty-fifth H site, H(59,60) is bonded in a single-bond geometry to one C(35) atom. There are forty-five inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one U(1); one H(1,2); and one H(3,4) atom. In the second O site, O(2) is bonded in a water-like geometry to one U(2); one H(1,2); and one H(3,4) atom. The O(2)-H(1,2) bond length is 0.97 Å. The O(2)-H(3,4) bond length is 0.97 Å. In the third O site, O(3,4) is bonded in a water-like geometry to one U(3,4); one H(5,6); and one H(9,10) atom. In the fourth O site, O(5,6) is bonded in a water-like geometry to one U(5,6); one H(11,12); and one H(7,8) atom. In the fifth O site, O(7,8) is bonded in a water-like geometry to one P(1) and one H(13) atom. In the sixth O site, O(9) is bonded in a water-like geometry to one P(3,4) and one H(15,16) atom. In the seventh O site, O(10) is bonded in a water-like geometry to one P(3,4) and one H(15,16) atom. The O(10)-P(3,4) bond length is 1.60 Å. The O(10)-H(15,16) bond length is 0.99 Å. In the eighth O site, O(11,12) is bonded in a distorted bent 150 degrees geometry to one U(3,4) and one P(1) atom. In the ninth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one U(5,6) and one P(3,4) atom. In the tenth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one U(5,6) and one P(3,4) atom. The O(14)-U(5,6) bond length is 2.30 Å. The O(14)-P(3,4) bond length is 1.53 Å. In the eleventh O site, O(15,16) is bonded in a distorted bent 150 degrees geometry to one U(5,6) and one P(1) atom. In the twelfth O site, O(17) is bonded in a distorted bent 150 degrees geometry to one U(3,4) and one P(3,4) atom. In the thirteenth O site, O(18) is bonded in a distorted bent 150 degrees geometry to one U(3,4) and one P(3,4) atom. The O(18)-U(3,4) bond length is 2.35 Å. The O(18)-P(3,4) bond length is 1.52 Å. In the fourteenth O site, O(19) is bonded in a bent 120 degrees geometry to one P(5) and one H(17,18) atom. In the fifteenth O site, O(20) is bonded in a bent 120 degrees geometry to one P(6) and one H(17,18) atom. The O(20)-H(17,18) bond length is 0.98 Å. In the sixteenth O site, O(21) is bonded in a bent 120 degrees geometry to one P(7,8) and one H(19,20) atom. In the seventeenth O site, O(22) is bonded in a bent 120 degrees geometry to one P(7,8) and one H(19,20) atom. The O(22)-P(7,8) bond length is 1.61 Å. The O(22)-H(19,20) bond length is 0.98 Å. In the eighteenth O site, O(23) is bonded in a bent 150 degrees geometry to one U(3,4) and one P(5) atom. In the nineteenth O site, O(24) is bonded in a bent 150 degrees geometry to one U(3,4) and one P(6) atom. The O(24)-U(3,4) bond length is 2.30 Å. In the twentieth O site, O(25) is bonded in a bent 150 degrees geometry to one U(5,6) and one P(7,8) atom. In the twenty-first O site, O(26) is bonded in a bent 150 degrees geometry to one U(5,6) and one P(7,8) atom. The O(26)-U(5,6) bond length is 2.30 Å. The O(26)-P(7,8) bond length is 1.53 Å. In the twenty-second O site, O(27) is bonded in a distorted bent 150 degrees geometry to one U(1) and one P(5) atom. In the twenty-third O site, O(28) is bonded in a distorted bent 150 degrees geometry to one U(2) and one P(6) atom. In the twenty-fourth O site, O(29) is bonded in a distorted bent 150 degrees geometry to one U(2) and one P(7,8) atom. In the twenty-fifth O site, O(30) is bonded in a distorted bent 150 degrees geometry to one U(1) and one P(7,8) atom. The O(30)-P(7,8) bond length is 1.51 Å. In the twenty-sixth O site, O(31) is bonded in a distorted bent 150 degrees geometry to one U(2) and one P(9) atom. In the twenty-seventh O site, O(32) is bonded in a distorted bent 150 degrees geometry to one U(1) and one P(10) atom. In the twenty-eighth O site, O(33) is bonded in a distorted bent 150 degrees geometry to one U(1) and one P(11) atom. In the twenty-ninth O site, O(34) is bonded in a distorted bent 150 degrees geometry to one U(2) and one P(12) atom. In the thirtieth O site, O(35) is bonded in a distorted bent 150 degrees geometry to one U(5,6) and one P(9) atom. In the thirty-first O site, O(36) is bonded in a distorted bent 150 degrees geometry to one U(5,6) and one P(10) atom. The O(36)-U(5,6) bond length is 2.44 Å. In the thirty-second O site, O(37) is bonded in a distorted single-bond geometry to one U(3,4) and one P(11) atom. In the thirty-third O site, O(38) is bonded in a distorted single-bond geometry to one U(3,4) and one P(12) atom. The O(38)-U(3,4) bond length is 2.42 Å. In the thirty-fourth O site, O(39) is bonded in a water-like geometry to one P(9) and one H(21,22) atom. In the thirty-fifth O site, O(40) is bonded in a water-like geometry to one P(10) and one H(21,22) atom. The O(40)-H(21,22) bond length is 0.98 Å. In the thirty-sixth O site, O(41) is bonded in a water-like geometry to one P(11) and one H(23,24) atom. In the thirty-seventh O site, O(42) is bonded in a water-like geometry to one P(12) and one H(23,24) atom. The O(42)-H(23,24) bond length is 0.99 Å. In the thirty-eighth O site, O(43,44) is bonded in a single-bond geometry to one U(3,4) atom. In the thirty-ninth O site, O(45,46) is bonded in a single-bond geometry to one U(5,6) atom. In the fortieth O site, O(47,48) is bonded in a single-bond geometry to one U(3,4) atom. In the forty-first O site, O(49,50) is bonded in a single-bond geometry to one U(5,6) atom. In the forty-second O site, O(51) is bonded in a single-bond geometry to one U(1) atom. In the forty-third O site, O(52) is bonded in a single-bond geometry to one U(2) atom. In the forty-fourth O site, O(53) is bonded in a single-bond geometry to one U(1) atom. In the forty-fifth O site, O(54) is bonded in a single-bond geometry to one U(2) atom. Linkers: 4 [O]P(=O)(O)Cc1cc(CP([O])(=O)O)cc(CP([O])(=O)O)c1. Metal clusters: 6 [U]. The MOF has largest included sphere 6.32 A, density 1.93 g/cm3, surface area 2648.59 m2/g, accessible volume 0.24 cm3/g