Dy2CoC40H28(N3O5)4 crystallizes in the triclinic P-1 space group. Dy(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(2), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. The Dy(1)-O(1) bond length is 2.38 Å. The Dy(1)-O(10) bond length is 2.24 Å. The Dy(1)-O(2) bond length is 2.29 Å. The Dy(1)-O(4) bond length is 2.35 Å. The Dy(1)-O(5) bond length is 2.43 Å. The Dy(1)-O(7) bond length is 2.46 Å. The Dy(1)-O(8) bond length is 2.44 Å. The Dy(1)-O(9) bond length is 2.39 Å. Co(1) is bonded in an octahedral geometry to two equivalent N(2), two equivalent N(6), and two equivalent O(3) atoms. Both Co(1)-N(2) bond lengths are 1.96 Å. Both Co(1)-N(6) bond lengths are 1.91 Å. Both Co(1)-O(3) bond lengths are 2.26 Å. There are twenty inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(3), and one O(6) atom. The C(1)-C(8) bond length is 1.51 Å. The C(1)-O(3) bond length is 1.26 Å. The C(1)-O(6) bond length is 1.28 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(7), one C(8), and one H(1) atom. The C(2)-C(7) bond length is 1.40 Å. The C(2)-C(8) bond length is 1.40 Å. The C(2)-H(1) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(19), one O(1), and one O(2) atom. The C(3)-C(19) bond length is 1.51 Å. The C(3)-O(1) bond length is 1.27 Å. The C(3)-O(2) bond length is 1.27 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(15), one C(19), and one H(2) atom. The C(4)-C(15) bond length is 1.40 Å. The C(4)-C(19) bond length is 1.40 Å. The C(4)-H(2) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(16), one N(6), and one H(3) atom. The C(5)-C(16) bond length is 1.38 Å. The C(5)-N(6) bond length is 1.37 Å. The C(5)-H(3) bond length is 1.08 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(18), one C(8), and one H(4) atom. The C(6)-C(18) bond length is 1.39 Å. The C(6)-C(8) bond length is 1.40 Å. The C(6)-H(4) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(10), one C(2), and one N(3) atom. The C(7)-C(10) bond length is 1.39 Å. The C(7)-N(3) bond length is 1.43 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(1), one C(2), and one C(6) atom. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(20), one N(2), and one H(5) atom. The C(9)-C(20) bond length is 1.37 Å. The C(9)-N(2) bond length is 1.37 Å. The C(9)-H(5) bond length is 1.08 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(18), one C(7), and one H(6) atom. The C(10)-C(18) bond length is 1.40 Å. The C(10)-H(6) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a bent 120 degrees geometry to one C(18), one O(5), and one O(7) atom. The C(11)-C(18) bond length is 1.49 Å. The C(11)-O(5) bond length is 1.26 Å. The C(11)-O(7) bond length is 1.29 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(13), one C(14), and one C(17) atom. The C(12)-C(13) bond length is 1.50 Å. The C(12)-C(14) bond length is 1.40 Å. The C(12)-C(17) bond length is 1.39 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(10), and one O(4) atom. The C(13)-O(10) bond length is 1.26 Å. The C(13)-O(4) bond length is 1.27 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(12), one C(15), and one H(7) atom. The C(14)-C(15) bond length is 1.40 Å. The C(14)-H(7) bond length is 1.09 Å. In the fifteenth C site, C(15) is bonded in a distorted trigonal planar geometry to one C(14), one C(4), and one N(1) atom. The C(15)-N(1) bond length is 1.44 Å. In the sixteenth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(5), one N(3), and one H(8) atom. The C(16)-N(3) bond length is 1.36 Å. The C(16)-H(8) bond length is 1.08 Å. In the seventeenth C site, C(17) is bonded in a distorted single-bond geometry to one C(12), one C(19), and one H(9) atom. The C(17)-C(19) bond length is 1.40 Å. The C(17)-H(9) bond length is 1.09 Å. In the eighteenth C site, C(18) is bonded in a trigonal planar geometry to one C(10), one C(11), and one C(6) atom. In the nineteenth C site, C(19) is bonded in a trigonal planar geometry to one C(17), one C(3), and one C(4) atom. In the twentieth C site, C(20) is bonded in a distorted bent 120 degrees geometry to one C(9), one N(1), and one H(10) atom. The C(20)-N(1) bond length is 1.36 Å. The C(20)-H(10) bond length is 1.08 Å. There are six inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one C(15), one C(20), and one N(5) atom. The N(1)-N(5) bond length is 1.35 Å. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Co(1), one C(9), and one N(5) atom. The N(2)-N(5) bond length is 1.32 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one C(16), one C(7), and one N(4) atom. The N(3)-N(4) bond length is 1.34 Å. In the fourth N site, N(4) is bonded in a water-like geometry to one N(3) and one N(6) atom. The N(4)-N(6) bond length is 1.31 Å. In the fifth N site, N(5) is bonded in a water-like geometry to one N(1) and one N(2) atom. In the sixth N site, N(6) is bonded in a distorted trigonal planar geometry to one Co(1), one C(5), and one N(4) atom. There are fourteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(14) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(16) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(17) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(20) atom. In the eleventh H site, H(11) is bonded in a distorted single-bond geometry to one O(6) and one O(8) atom. The H(11)-O(6) bond length is 1.64 Å. The H(11)-O(8) bond length is 1.00 Å. In the twelfth H site, H(12) is bonded in a single-bond geometry to one O(8) atom. The H(12)-O(8) bond length is 0.97 Å. In the thirteenth H site, H(13) is bonded in a distorted single-bond geometry to one O(7) and one O(9) atom. The H(13)-O(7) bond length is 1.65 Å. The H(13)-O(9) bond length is 1.00 Å. In the fourteenth H site, H(14) is bonded in a distorted single-bond geometry to one O(6) and one O(9) atom. The H(14)-O(6) bond length is 1.63 Å. The H(14)-O(9) bond length is 1.00 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and one C(3) atom. In the second O site, O(2) is bonded in a linear geometry to one Dy(1) and one C(3) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and one C(13) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Dy(1) and one C(11) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one C(1), one H(11), and one H(14) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Dy(1), one C(11), and one H(13) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one Dy(1), one H(11), and one H(12) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one Dy(1), one H(13), and one H(14) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Dy(1) and one C(13) atom. 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Metal clusters: 2 [Dy]. The MOF has largest included sphere 2.18 A, density 2.14 g/cm3, surface area 3003.58 m2/g, accessible volume 0.10 cm3/g