C16H10CdN4O4 crystallizes in the triclinic P1 space group. There are four inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one N(13), one N(15), one N(4), one O(1), one O(3), one O(8), and one O(9) atom to form distorted corner-sharing CdN3O4 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 51°. The Cd(1)-N(13) bond length is 2.38 Å. The Cd(1)-N(15) bond length is 2.36 Å. The Cd(1)-N(4) bond length is 2.50 Å. The Cd(1)-O(1) bond length is 2.43 Å. The Cd(1)-O(3) bond length is 2.64 Å. The Cd(1)-O(8) bond length is 2.45 Å. The Cd(1)-O(9) bond length is 2.30 Å. In the second Cd site, Cd(2) is bonded to one N(14), one N(16), one N(3), one O(10), one O(2), one O(4), and one O(7) atom to form distorted corner-sharing CdN3O4 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 52°. The Cd(2)-N(14) bond length is 2.37 Å. The Cd(2)-N(16) bond length is 2.35 Å. The Cd(2)-N(3) bond length is 2.51 Å. The Cd(2)-O(10) bond length is 2.30 Å. The Cd(2)-O(2) bond length is 2.43 Å. The Cd(2)-O(4) bond length is 2.64 Å. The Cd(2)-O(7) bond length is 2.45 Å. In the third Cd site, Cd(3) is bonded to one N(11), one N(7), one N(9), one O(12), one O(15), and one O(7) atom to form corner-sharing CdN3O3 octahedra. The Cd(3)-N(11) bond length is 2.32 Å. The Cd(3)-N(7) bond length is 2.45 Å. The Cd(3)-N(9) bond length is 2.37 Å. The Cd(3)-O(12) bond length is 2.32 Å. The Cd(3)-O(15) bond length is 2.31 Å. The Cd(3)-O(7) bond length is 2.37 Å. In the fourth Cd site, Cd(4) is bonded to one N(10), one N(12), one N(8), one O(11), one O(16), and one O(8) atom to form corner-sharing CdN3O3 octahedra. The Cd(4)-N(10) bond length is 2.38 Å. The Cd(4)-N(12) bond length is 2.32 Å. The Cd(4)-N(8) bond length is 2.45 Å. The Cd(4)-O(11) bond length is 2.32 Å. The Cd(4)-O(16) bond length is 2.31 Å. The Cd(4)-O(8) bond length is 2.36 Å. There are fifty-seven inequivalent C sites. In the first C site, C(1,2) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(3) atom. The C(1,2)-C(3) bond length is 1.51 Å. The C(1,2)-O(1) bond length is 1.27 Å. The C(1,2)-O(3) bond length is 1.26 Å. In the second C site, C(3) is bonded in a distorted trigonal planar geometry to one C(1,2); one C(5,6); and one N(1,2) atom. The C(3)-C(5,6) bond length is 1.41 Å. The C(3)-N(1,2) bond length is 1.35 Å. In the third C site, C(4) is bonded in a distorted trigonal planar geometry to one C(1,2); one C(5,6); and one N(1,2) atom. The C(4)-C(1,2) bond length is 1.51 Å. The C(4)-C(5,6) bond length is 1.41 Å. The C(4)-N(1,2) bond length is 1.35 Å. In the fourth C site, C(5,6) is bonded in a distorted single-bond geometry to one C(3) and one N(3) atom. The C(5,6)-N(3) bond length is 1.35 Å. In the fifth C site, C(7,8) is bonded in a distorted bent 120 degrees geometry to one C(9), one N(3), and one H(1) atom. The C(7,8)-C(9) bond length is 1.40 Å. The C(7,8)-N(3) bond length is 1.34 Å. The C(7,8)-H(1) bond length is 1.09 Å. In the sixth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(7,8); one N(1,2); and one H(3,4) atom. The C(9)-N(1,2) bond length is 1.34 Å. The C(9)-H(3,4) bond length is 1.09 Å. In the seventh C site, C(10) is bonded in a distorted trigonal planar geometry to one C(7,8); one N(1,2); and one H(3,4) atom. The C(10)-C(7,8) bond length is 1.40 Å. The C(10)-N(1,2) bond length is 1.34 Å. The C(10)-H(3,4) bond length is 1.09 Å. In the eighth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(7) atom. The C(11)-O(5) bond length is 1.25 Å. The C(11)-O(7) bond length is 1.29 Å. In the ninth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one O(6) and one O(8) atom. The C(12)-O(6) bond length is 1.25 Å. The C(12)-O(8) bond length is 1.29 Å. In the tenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(15), one O(11), and one O(9) atom. The C(13)-C(15) bond length is 1.51 Å. The C(13)-O(11) bond length is 1.25 Å. The C(13)-O(9) bond length is 1.28 Å. In the eleventh C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(16), one O(10), and one O(12) atom. The C(14)-C(16) bond length is 1.51 Å. The C(14)-O(10) bond length is 1.28 Å. The C(14)-O(12) bond length is 1.25 Å. In the twelfth C site, C(15) is bonded in a distorted trigonal planar geometry to one C(13), one C(17), and one N(5) atom. The C(15)-C(17) bond length is 1.41 Å. The C(15)-N(5) bond length is 1.34 Å. In the thirteenth C site, C(16) is bonded in a distorted trigonal planar geometry to one C(14), one C(18), and one N(6) atom. The C(16)-C(18) bond length is 1.41 Å. The C(16)-N(6) bond length is 1.34 Å. In the fourteenth C site, C(17) is bonded in a distorted single-bond geometry to one C(15) and one N(7) atom. The C(17)-N(7) bond length is 1.34 Å. In the fifteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(16) and one N(8) atom. The C(18)-N(8) bond length is 1.34 Å. In the sixteenth C site, C(19) is bonded in a distorted bent 120 degrees geometry to one C(21), one N(7), and one H(5) atom. The C(19)-C(21) bond length is 1.39 Å. The C(19)-N(7) bond length is 1.34 Å. The C(19)-H(5) bond length is 1.09 Å. In the seventeenth C site, C(20) is bonded in a distorted bent 120 degrees geometry to one C(22), one N(8), and one H(6) atom. The C(20)-C(22) bond length is 1.39 Å. The C(20)-N(8) bond length is 1.34 Å. The C(20)-H(6) bond length is 1.09 Å. In the eighteenth C site, C(21) is bonded in a distorted trigonal planar geometry to one C(19); one N(5); and one H(7,8) atom. The C(21)-N(5) bond length is 1.34 Å. The C(21)-H(7,8) bond length is 1.09 Å. In the nineteenth C site, C(22) is bonded in a distorted trigonal planar geometry to one C(20); one N(6); and one H(7,8) atom. The C(22)-N(6) bond length is 1.34 Å. The C(22)-H(7,8) bond length is 1.09 Å. In the twentieth C site, C(23) is bonded in a distorted bent 120 degrees geometry to one O(13) and one O(15) atom. The C(23)-O(13) bond length is 1.25 Å. The C(23)-O(15) bond length is 1.28 Å. In the twenty-first C site, C(24) is bonded in a distorted bent 120 degrees geometry to one O(14) and one O(16) atom. The C(24)-O(14) bond length is 1.25 Å. The C(24)-O(16) bond length is 1.28 Å. In the twenty-second C site, C(25) is bonded in a distorted bent 120 degrees geometry to one N(9) and one H(25,31) atom. The C(25)-N(9) bond length is 1.34 Å. The C(25)-H(25,31) bond length is 1.09 Å. In the twenty-third C site, C(26) is bonded in a distorted bent 120 degrees geometry to one N(10) and one H(26,32) atom. The C(26)-N(10) bond length is 1.34 Å. The C(26)-H(26,32) bond length is 1.09 Å. In the twenty-fourth C site, C(27) is bonded in a distorted single-bond geometry to one C(29,30) and one H(27,28) atom. The C(27)-C(29,30) bond length is 1.40 Å. The C(27)-H(27,28) bond length is 1.09 Å. In the twenty-fifth C site, C(28) is bonded in a distorted single-bond geometry to one C(29,30) and one H(27,28) atom. The C(28)-C(29,30) bond length is 1.40 Å. The C(28)-H(27,28) bond length is 1.09 Å. In the twenty-sixth C site, C(29,30) is bonded in a trigonal planar geometry to one C(27), one C(31), and one C(35) atom. The C(29,30)-C(31) bond length is 1.41 Å. The C(29,30)-C(35) bond length is 1.48 Å. In the twenty-seventh C site, C(31) is bonded in a distorted single-bond geometry to one C(29,30) and one H(29,30) atom. The C(31)-H(29,30) bond length is 1.09 Å. In the twenty-eighth C site, C(32) is bonded in a distorted single-bond geometry to one C(29,30) and one H(29,30) atom. The C(32)-C(29,30) bond length is 1.41 Å. The C(32)-H(29,30) bond length is 1.09 Å. In the twenty-ninth C site, C(33) is bonded in a distorted bent 120 degrees geometry to one N(9) and one H(25,31) atom. The C(33)-N(9) bond length is 1.34 Å. The C(33)-H(25,31) bond length is 1.09 Å. In the thirtieth C site, C(34) is bonded in a distorted bent 120 degrees geometry to one N(10) and one H(26,32) atom. The C(34)-N(10) bond length is 1.34 Å. The C(34)-H(26,32) bond length is 1.09 Å. In the thirty-first C site, C(35) is bonded in a trigonal planar geometry to one C(29,30); one C(37,38); and one C(43) atom. The C(35)-C(37,38) bond length is 1.40 Å. The C(35)-C(43) bond length is 1.40 Å. In the thirty-second C site, C(36) is bonded in a trigonal planar geometry to one C(29,30); one C(37,38); and one C(44) atom. The C(36)-C(29,30) bond length is 1.48 Å. The C(36)-C(37,38) bond length is 1.40 Å. The C(36)-C(44) bond length is 1.40 Å. In the thirty-third C site, C(37,38) is bonded in a distorted single-bond geometry to one C(35) and one H(33,34) atom. The C(37,38)-H(33,34) bond length is 1.09 Å. In the thirty-fourth C site, C(39) is bonded in a distorted bent 120 degrees geometry to one N(11) and one H(35) atom. The C(39)-N(11) bond length is 1.34 Å. The C(39)-H(35) bond length is 1.09 Å. In the thirty-fifth C site, C(40) is bonded in a distorted bent 120 degrees geometry to one N(12) and one H(36) atom. The C(40)-N(12) bond length is 1.35 Å. The C(40)-H(36) bond length is 1.09 Å. In the thirty-sixth C site, C(41) is bonded in a distorted trigonal planar geometry to one C(43), one N(11), and one H(37) atom. The C(41)-C(43) bond length is 1.39 Å. The C(41)-N(11) bond length is 1.34 Å. The C(41)-H(37) bond length is 1.09 Å. In the thirty-seventh C site, C(42) is bonded in a distorted trigonal planar geometry to one C(44), one N(12), and one H(38) atom. The C(42)-C(44) bond length is 1.39 Å. The C(42)-N(12) bond length is 1.34 Å. The C(42)-H(38) bond length is 1.09 Å. In the thirty-eighth C site, C(43) is bonded in a distorted single-bond geometry to one C(35); one C(41); and one H(39,40) atom. The C(43)-H(39,40) bond length is 1.09 Å. In the thirty-ninth C site, C(44) is bonded in a distorted single-bond geometry to one C(36); one C(42); and one H(39,40) atom. The C(44)-H(39,40) bond length is 1.09 Å. In the fortieth C site, C(45,46) is bonded in a distorted trigonal planar geometry to one C(47), one N(13), and one H(9) atom. The C(45,46)-C(47) bond length is 1.39 Å. The C(45,46)-N(13) bond length is 1.34 Å. The C(45,46)-H(9) bond length is 1.09 Å. In the forty-first C site, C(47) is bonded in a distorted single-bond geometry to one C(45,46); one C(49); and one H(11,12) atom. The C(47)-C(49) bond length is 1.40 Å. The C(47)-H(11,12) bond length is 1.09 Å. In the forty-second C site, C(48) is bonded in a distorted single-bond geometry to one C(45,46); one C(50); and one H(11,12) atom. The C(48)-C(45,46) bond length is 1.39 Å. The C(48)-C(50) bond length is 1.40 Å. The C(48)-H(11,12) bond length is 1.09 Å. In the forty-third C site, C(49) is bonded in a trigonal planar geometry to one C(47), one C(51), and one C(55) atom. The C(49)-C(51) bond length is 1.40 Å. The C(49)-C(55) bond length is 1.47 Å. In the forty-fourth C site, C(50) is bonded in a trigonal planar geometry to one C(48), one C(52), and one C(56) atom. The C(50)-C(52) bond length is 1.40 Å. The C(50)-C(56) bond length is 1.47 Å. In the forty-fifth C site, C(51) is bonded in a distorted single-bond geometry to one C(49); one C(53,54); and one H(13,14) atom. The C(51)-C(53,54) bond length is 1.39 Å. The C(51)-H(13,14) bond length is 1.09 Å. In the forty-sixth C site, C(52) is bonded in a distorted single-bond geometry to one C(50); one C(53,54); and one H(13,14) atom. The C(52)-C(53,54) bond length is 1.39 Å. The C(52)-H(13,14) bond length is 1.09 Å. In the forty-seventh C site, C(53,54) is bonded in a distorted trigonal planar geometry to one C(51), one N(13), and one H(15) atom. The C(53,54)-N(13) bond length is 1.35 Å. The C(53,54)-H(15) bond length is 1.09 Å. In the forty-eighth C site, C(55) is bonded in a trigonal planar geometry to one C(49), one C(57), and one C(63) atom. The C(55)-C(57) bond length is 1.40 Å. The C(55)-C(63) bond length is 1.40 Å. In the forty-ninth C site, C(56) is bonded in a trigonal planar geometry to one C(50), one C(58), and one C(64) atom. The C(56)-C(58) bond length is 1.40 Å. The C(56)-C(64) bond length is 1.40 Å. In the fiftieth C site, C(57) is bonded in a distorted single-bond geometry to one C(55); one C(59); and one H(17,18) atom. The C(57)-C(59) bond length is 1.39 Å. The C(57)-H(17,18) bond length is 1.09 Å. In the fifty-first C site, C(58) is bonded in a distorted single-bond geometry to one C(56); one C(60); and one H(17,18) atom. The C(58)-C(60) bond length is 1.39 Å. The C(58)-H(17,18) bond length is 1.09 Å. In the fifty-second C site, C(59) is bonded in a distorted trigonal planar geometry to one C(57), one N(15), and one H(19) atom. The C(59)-N(15) bond length is 1.34 Å. The C(59)-H(19) bond length is 1.09 Å. In the fifty-third C site, C(60) is bonded in a distorted trigonal planar geometry to one C(58), one N(16), and one H(20) atom. The C(60)-N(16) bond length is 1.34 Å. The C(60)-H(20) bond length is 1.09 Å. In the fifty-fourth C site, C(61) is bonded in a distorted trigonal planar geometry to one C(63), one N(15), and one H(21) atom. The C(61)-C(63) bond length is 1.39 Å. The C(61)-N(15) bond length is 1.35 Å. The C(61)-H(21) bond length is 1.09 Å. In the fifty-fifth C site, C(62) is bonded in a distorted trigonal planar geometry to one C(64), one N(16), and one H(22) atom. The C(62)-C(64) bond length is 1.39 Å. The C(62)-N(16) bond length is 1.35 Å. The C(62)-H(22) bond length is 1.09 Å. In the fifty-sixth C site, C(63) is bonded in a distorted single-bond geometry to one C(55), one C(61), and one H(23) atom. The C(63)-H(23) bond length is 1.09 Å. In the fifty-seventh C site, C(64) is bonded in a distorted single-bond geometry to one C(56), one C(62), and one H(24) atom. The C(64)-H(24) bond length is 1.09 Å. There are fifteen inequivalent N sites. In the first N site, N(1,2) is bonded in a bent 120 degrees geometry to one C(3) and one C(9) atom. In the second N site, N(3) is bonded in a distorted trigonal planar geometry to one Cd(2); one C(5,6); and one C(7,8) atom. In the third N site, N(4) is bonded in a distorted trigonal planar geometry to one Cd(1); one C(5,6); and one C(7,8) atom. The N(4)-C(5,6) bond length is 1.35 Å. The N(4)-C(7,8) bond length is 1.34 Å. In the fourth N site, N(5) is bonded in a bent 120 degrees geometry to one C(15) and one C(21) atom. In the fifth N site, N(6) is bonded in a bent 120 degrees geometry to one C(16) and one C(22) atom. In the sixth N site, N(7) is bonded in a distorted trigonal planar geometry to one Cd(3), one C(17), and one C(19) atom. In the seventh N site, N(8) is bonded in a distorted trigonal planar geometry to one Cd(4), one C(18), and one C(20) atom. In the eighth N site, N(9) is bonded in a trigonal planar geometry to one Cd(3), one C(25), and one C(33) atom. In the ninth N site, N(10) is bonded in a trigonal planar geometry to one Cd(4), one C(26), and one C(34) atom. In the tenth N site, N(11) is bonded in a trigonal planar geometry to one Cd(3), one C(39), and one C(41) atom. In the eleventh N site, N(12) is bonded in a trigonal planar geometry to one Cd(4), one C(40), and one C(42) atom. In the twelfth N site, N(13) is bonded in a trigonal planar geometry to one Cd(1); one C(45,46); and one C(53,54) atom. In the thirteenth N site, N(14) is bonded in a trigonal planar geometry to one Cd(2); one C(45,46); and one C(53,54) atom. The N(14)-C(45,46) bond length is 1.34 Å. The N(14)-C(53,54) bond length is 1.35 Å. In the fourteenth N site, N(15) is bonded in a trigonal planar geometry to one Cd(1), one C(59), and one C(61) atom. In the fifteenth N site, N(16) is bonded in a trigonal planar geometry to one Cd(2), one C(60), and one C(62) atom. There are twenty-nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(7,8) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(7,8) atom. The H(2)-C(7,8) bond length is 1.09 Å. In the third H site, H(3,4) is bonded in a single-bond geometry to one C(9) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(19) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(20) atom. In the sixth H site, H(7,8) is bonded in a single-bond geometry to one C(21) atom. In the seventh H site, H(9) is bonded in a single-bond geometry to one C(45,46) atom. In the eighth H site, H(10) is bonded in a single-bond geometry to one C(45,46) atom. The H(10)-C(45,46) bond length is 1.09 Å. In the ninth H site, H(11,12) is bonded in a single-bond geometry to one C(47) atom. In the tenth H site, H(13,14) is bonded in a single-bond geometry to one C(51) atom. In the eleventh H site, H(15) is bonded in a single-bond geometry to one C(53,54) atom. In the twelfth H site, H(16) is bonded in a single-bond geometry to one C(53,54) atom. The H(16)-C(53,54) bond length is 1.09 Å. In the thirteenth H site, H(17,18) is bonded in a single-bond geometry to one C(57) atom. In the fourteenth H site, H(19) is bonded in a single-bond geometry to one C(59) atom. In the fifteenth H site, H(20) is bonded in a single-bond geometry to one C(60) atom. In the sixteenth H site, H(21) is bonded in a single-bond geometry to one C(61) atom. In the seventeenth H site, H(22) is bonded in a single-bond geometry to one C(62) atom. In the eighteenth H site, H(23) is bonded in a single-bond geometry to one C(63) atom. In the nineteenth H site, H(24) is bonded in a single-bond geometry to one C(64) atom. In the twentieth H site, H(25,31) is bonded in a single-bond geometry to one C(25) atom. In the twenty-first H site, H(26,32) is bonded in a single-bond geometry to one C(26) atom. In the twenty-second H site, H(27,28) is bonded in a single-bond geometry to one C(27) atom. In the twenty-third H site, H(29,30) is bonded in a single-bond geometry to one C(31) atom. In the twenty-fourth H site, H(33,34) is bonded in a single-bond geometry to one C(37,38) atom. In the twenty-fifth H site, H(35) is bonded in a single-bond geometry to one C(39) atom. In the twenty-sixth H site, H(36) is bonded in a single-bond geometry to one C(40) atom. In the twenty-seventh H site, H(37) is bonded in a single-bond geometry to one C(41) atom. In the twenty-eighth H site, H(38) is bonded in a single-bond geometry to one C(42) atom. In the twenty-ninth H site, H(39,40) is bonded in a single-bond geometry to one C(43) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Cd(1) and one C(1,2) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Cd(2) and one C(1,2) atom. The O(2)-C(1,2) bond length is 1.27 Å. In the third O site, O(3) is bonded in a single-bond geometry to one Cd(1) and one C(1,2) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one Cd(2) and one C(1,2) atom. The O(4)-C(1,2) bond length is 1.26 Å. In the fifth O site, O(5) is bonded in a single-bond geometry to one C(11) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one C(12) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Cd(2), one Cd(3), and one C(11) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Cd(1), one Cd(4), and one C(12) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Cd(1) and one C(13) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Cd(2) and one C(14) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Cd(4) and one C(13) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Cd(3) and one C(14) atom. In the thirteenth O site, O(13) is bonded in a single-bond geometry to one C(23) atom. In the fourteenth O site, O(14) is bonded in a single-bond geometry to one C(24) atom. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one Cd(3) and one C(23) atom. In the sixteenth O site, O(16) is bonded in a bent 120 degrees geometry to one Cd(4) and one C(24) atom. Linkers: 4 [O]C(=O)c1nccnc1C([O])=O. Metal clusters: 4 [Cd]. The MOF has largest included sphere 4.24 A, density 1.65 g/cm3, surface area 3945.67 m2/g, accessible volume 0.15 cm3/g