Er3Zn6C58N16H37O29(CH3CN)2 crystallizes in the orthorhombic Pnma space group. The structure consists of eight dimethylamine molecules inside a Er3Zn6C58N16H37O29 framework. In the Er3Zn6C58N16H37O29 framework, there are two inequivalent Er sites. In the first Er site, Er(1) is bonded to one O(1), one O(14), one O(3), one O(5), and two equivalent O(4) atoms to form distorted ErO6 pentagonal pyramids that share  a cornercorner with one Zn(2)N3O2 trigonal bipyramid and  an edgeedge with one Er(1)O6 pentagonal pyramid. The Er(1)-O(1) bond length is 2.57 Å. The Er(1)-O(14) bond length is 2.30 Å. The Er(1)-O(3) bond length is 2.27 Å. The Er(1)-O(5) bond length is 2.36 Å. There is one shorter (2.43 Å) and one longer (2.58 Å) Er(1)-O(4) bond length. In the second Er site, Er(2) is bonded in a distorted pentagonal bipyramidal geometry to one O(15), two equivalent O(12), two equivalent O(13), and two equivalent O(2) atoms. The Er(2)-O(15) bond length is 2.49 Å. Both Er(2)-O(12) bond lengths are 2.33 Å. Both Er(2)-O(13) bond lengths are 2.27 Å. Both Er(2)-O(2) bond lengths are 2.34 Å. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in an octahedral geometry to one N(1), one N(5), one N(7), one O(10), one O(8), and one O(9) atom. The Zn(1)-N(1) bond length is 2.13 Å. The Zn(1)-N(5) bond length is 2.17 Å. The Zn(1)-N(7) bond length is 2.13 Å. The Zn(1)-O(10) bond length is 2.27 Å. The Zn(1)-O(8) bond length is 2.29 Å. The Zn(1)-O(9) bond length is 2.22 Å. In the second Zn site, Zn(2) is bonded to one N(3), one N(4), one N(8), one O(1), and one O(6) atom to form ZnN3O2 trigonal bipyramids that share  a cornercorner with one Er(1)O6 pentagonal pyramid. The Zn(2)-N(3) bond length is 2.09 Å. The Zn(2)-N(4) bond length is 2.06 Å. The Zn(2)-N(8) bond length is 2.10 Å. The Zn(2)-O(1) bond length is 2.38 Å. The Zn(2)-O(6) bond length is 2.20 Å. In the third Zn site, Zn(3) is bonded in a see-saw-like geometry to one N(2), one N(6), one O(11), and one O(7) atom. The Zn(3)-N(2) bond length is 2.07 Å. The Zn(3)-N(6) bond length is 2.07 Å. The Zn(3)-O(11) bond length is 2.16 Å. The Zn(3)-O(7) bond length is 2.21 Å. There are thirty inequivalent C sites. In the first C site, C(31) is bonded in a 6-coordinate geometry to one C(32), two equivalent H(18), two equivalent H(19), and two equivalent H(20) atoms. The C(31)-C(32) bond length is 1.55 Å. Both C(31)-H(18) bond lengths are 0.96 Å. Both C(31)-H(19) bond lengths are 0.96 Å. Both C(31)-H(20) bond lengths are 0.96 Å. In the second C site, C(32) is bonded in a trigonal planar geometry to one C(31) and two equivalent N(7) atoms. Both C(32)-N(7) bond lengths are 1.37 Å. In the third C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(4) atom. The C(1)-O(1) bond length is 1.31 Å. The C(1)-O(4) bond length is 1.32 Å. In the fourth C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(16), one O(11), and one O(2) atom. The C(2)-C(16) bond length is 1.51 Å. The C(2)-O(11) bond length is 1.32 Å. The C(2)-O(2) bond length is 1.27 Å. In the fifth C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(5), and one O(6) atom. The C(3)-C(9) bond length is 1.53 Å. The C(3)-O(5) bond length is 1.28 Å. The C(3)-O(6) bond length is 1.31 Å. In the sixth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(5), one C(9), and one N(6) atom. The C(4)-C(5) bond length is 1.49 Å. The C(4)-C(9) bond length is 1.40 Å. The C(4)-N(6) bond length is 1.42 Å. In the seventh C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(14), and one O(7) atom. The C(5)-O(14) bond length is 1.29 Å. The C(5)-O(7) bond length is 1.31 Å. In the eighth C site, C(6) is bonded in a distorted single-bond geometry to one N(5) atom. The C(6)-N(5) bond length is 1.43 Å. In the ninth C site, C(7) is bonded in a distorted single-bond geometry to one N(4) atom. The C(7)-N(4) bond length is 1.41 Å. In the tenth C site, C(8) is bonded in a distorted single-bond geometry to one N(7) atom. The C(8)-N(7) bond length is 1.39 Å. In the eleventh C site, C(9) is bonded in a distorted single-bond geometry to one C(3), one C(4), and one N(3) atom. The C(9)-N(3) bond length is 1.39 Å. In the twelfth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(25), one N(1), and one N(2) atom. The C(10)-C(25) bond length is 1.50 Å. The C(10)-N(1) bond length is 1.41 Å. The C(10)-N(2) bond length is 1.36 Å. In the thirteenth C site, C(11) is bonded in a distorted single-bond geometry to one C(16) and one N(1) atom. The C(11)-C(16) bond length is 1.39 Å. The C(11)-N(1) bond length is 1.40 Å. In the fourteenth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one O(10) and one O(12) atom. The C(12)-O(10) bond length is 1.25 Å. The C(12)-O(12) bond length is 1.31 Å. In the fifteenth C site, C(13) is bonded in a trigonal planar geometry to one C(17), one C(18), and one C(29) atom. The C(13)-C(17) bond length is 1.51 Å. The C(13)-C(18) bond length is 1.38 Å. The C(13)-C(29) bond length is 1.45 Å. In the sixteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(9) atom. The C(14)-O(3) bond length is 1.29 Å. The C(14)-O(9) bond length is 1.28 Å. In the seventeenth C site, C(15) is bonded in a distorted trigonal planar geometry to one C(26), one N(4), and one N(5) atom. The C(15)-C(26) bond length is 1.51 Å. The C(15)-N(4) bond length is 1.35 Å. The C(15)-N(5) bond length is 1.41 Å. In the eighteenth C site, C(16) is bonded in a 3-coordinate geometry to one C(11), one C(2), and one N(2) atom. The C(16)-N(2) bond length is 1.45 Å. In the nineteenth C site, C(17) is bonded in a trigonal planar geometry to one C(13), one C(20), and one C(22) atom. The C(17)-C(20) bond length is 1.42 Å. The C(17)-C(22) bond length is 1.48 Å. In the twentieth C site, C(18) is bonded in a distorted single-bond geometry to one C(13), one C(30), and one H(1) atom. The C(18)-C(30) bond length is 1.31 Å. The C(18)-H(1) bond length is 0.93 Å. In the twenty-first C site, C(19) is bonded in a distorted bent 120 degrees geometry to one O(13) and one O(8) atom. The C(19)-O(13) bond length is 1.33 Å. The C(19)-O(8) bond length is 1.28 Å. In the twenty-second C site, C(20) is bonded in a distorted single-bond geometry to one C(17) and one H(2,3) atom. The C(20)-H(2,3) bond length is 0.93 Å. In the twenty-third C site, C(21) is bonded in a distorted trigonal planar geometry to one C(24), one N(3), and one N(6) atom. The C(21)-C(24) bond length is 1.46 Å. The C(21)-N(3) bond length is 1.37 Å. The C(21)-N(6) bond length is 1.42 Å. In the twenty-fourth C site, C(22) is bonded in a distorted single-bond geometry to one C(17) and one H(2,3) atom. The C(22)-H(2,3) bond length is 0.93 Å. In the twenty-fifth C site, C(23) is bonded in a distorted bent 120 degrees geometry to one N(8) and one H(4) atom. The C(23)-N(8) bond length is 1.34 Å. The C(23)-H(4) bond length is 0.93 Å. In the twenty-sixth C site, C(24) is bonded in a trigonal non-coplanar geometry to one C(21); one H(7); and two equivalent H(5,6) atoms. The C(24)-H(7) bond length is 0.96 Å. Both C(24)-H(5,6) bond lengths are 0.96 Å. In the twenty-seventh C site, C(25) is bonded in a trigonal non-coplanar geometry to one C(10), one H(10), one H(8), and one H(9) atom. The C(25)-H(10) bond length is 0.96 Å. The C(25)-H(8) bond length is 0.96 Å. The C(25)-H(9) bond length is 0.96 Å. In the twenty-eighth C site, C(26) is bonded in a trigonal non-coplanar geometry to one C(15), one H(11), one H(12), and one H(13) atom. The C(26)-H(11) bond length is 0.96 Å. The C(26)-H(12) bond length is 0.96 Å. The C(26)-H(13) bond length is 0.96 Å. In the twenty-ninth C site, C(29) is bonded in a distorted single-bond geometry to one C(13) and one H(16) atom. The C(29)-H(16) bond length is 0.93 Å. In the thirtieth C site, C(30) is bonded in a distorted trigonal planar geometry to one C(18), one N(8), and one H(17) atom. The C(30)-N(8) bond length is 1.50 Å. The C(30)-H(17) bond length is 0.93 Å. There are eight inequivalent N sites. In the first N site, N(8) is bonded in a trigonal planar geometry to one Zn(2), one C(23), and one C(30) atom. In the second N site, N(1) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(10), and one C(11) atom. In the third N site, N(2) is bonded in a 3-coordinate geometry to one Zn(3), one C(10), and one C(16) atom. In the fourth N site, N(3) is bonded in a distorted trigonal planar geometry to one Zn(2), one C(21), and one C(9) atom. In the fifth N site, N(4) is bonded in a distorted trigonal planar geometry to one Zn(2), one C(15), and one C(7) atom. In the sixth N site, N(5) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one C(15), and one C(6) atom. In the seventh N site, N(6) is bonded in a distorted trigonal planar geometry to one Zn(3), one C(21), and one C(4) atom. In the eighth N site, N(7) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(32), and one C(8) atom. There are seventeen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(18) atom. In the second H site, H(2,3) is bonded in a single-bond geometry to one C(20) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(23) atom. In the fourth H site, H(5,6) is bonded in a single-bond geometry to one C(24) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one C(24) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(25) atom. In the seventh H site, H(9) is bonded in a single-bond geometry to one C(25) atom. In the eighth H site, H(10) is bonded in a single-bond geometry to one C(25) atom. In the ninth H site, H(11) is bonded in a single-bond geometry to one C(26) atom. In the tenth H site, H(12) is bonded in a single-bond geometry to one C(26) atom. In the eleventh H site, H(13) is bonded in a single-bond geometry to one C(26) atom. In the twelfth H site, H(16) is bonded in a single-bond geometry to one C(29) atom. In the thirteenth H site, H(17) is bonded in a single-bond geometry to one C(30) atom. In the fourteenth H site, H(18) is bonded in a distorted single-bond geometry to one C(31) atom. In the fifteenth H site, H(19) is bonded in a distorted single-bond geometry to one C(31) atom. In the sixteenth H site, H(20) is bonded in a distorted single-bond geometry to one C(31) atom. In the seventeenth H site, H(22) is bonded in a single-bond geometry to one O(15) atom. The H(22)-O(15) bond length is 0.86 Å. There are fifteen inequivalent O sites. In the first O site, O(15) is bonded in a water-like geometry to one Er(2) and one H(22) atom. In the second O site, O(1) is bonded in a distorted single-bond geometry to one Er(1), one Zn(2), and one C(1) atom. In the third O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Er(2) and one C(2) atom. In the fourth O site, O(3) is bonded in a bent 150 degrees geometry to one Er(1) and one C(14) atom. In the fifth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent Er(1) and one C(1) atom. In the sixth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Er(1) and one C(3) atom. In the seventh O site, O(6) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(3) atom. In the eighth O site, O(7) is bonded in a distorted single-bond geometry to one Zn(3) and one C(5) atom. In the ninth O site, O(8) is bonded in a water-like geometry to one Zn(1) and one C(19) atom. In the tenth O site, O(9) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(14) atom. In the eleventh O site, O(10) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(12) atom. In the twelfth O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Zn(3) and one C(2) atom. In the thirteenth O site, O(12) is bonded in a bent 150 degrees geometry to one Er(2) and one C(12) atom. In the fourteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Er(2) and one C(19) atom. In the fifteenth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one Er(1) and one C(5) atom. Linkers: 20 CC1=NC(C([O])=O)=C(C([O])=O)[N]1 ,1 C.[H].[H].[O]C(=O)C1=N[C]N=C1C([O])=O ,2 C.[H].[H].[O]C(=O)C1=C(C([O])=O)N=[C][N]1 ,4 CC1=N[C](C([O])=O)C(C([O])=O)=N1 ,1 C.[H].[H].[O]C(=O)[C]1N=[C]N=C1C([O])=O. Metal clusters: 12 [Er] ,24 [Zn]. The MOF has largest included sphere 6.80 A, density 1.58 g/cm3, surface area 3483.75 m2/g, accessible volume 0.28 cm3/g