Zn2C26N4H12O9(CH)2 crystallizes in the monoclinic P2_1/c space group. The structure consists of eight 02329_fluka molecules inside a Zn2C26N4H12O9 framework. In the Zn2C26N4H12O9 framework, there are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a square pyramidal geometry to one N(1), one N(2), one O(1), one O(6), and one O(7) atom. The Zn(1)-N(1) bond length is 2.14 Å. The Zn(1)-N(2) bond length is 2.15 Å. The Zn(1)-O(1) bond length is 2.26 Å. The Zn(1)-O(6) bond length is 2.08 Å. The Zn(1)-O(7) bond length is 2.06 Å. In the second Zn site, Zn(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(8) atom. The Zn(2)-O(1) bond length is 2.07 Å. The Zn(2)-O(2) bond length is 2.47 Å. The Zn(2)-O(3) bond length is 2.44 Å. The Zn(2)-O(4) bond length is 2.04 Å. The Zn(2)-O(5) bond length is 1.97 Å. The Zn(2)-O(8) bond length is 2.00 Å. There are twenty-six inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.21 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(7) atom. The C(2)-C(3) bond length is 1.41 Å. The C(2)-C(7) bond length is 1.35 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(1) atom. The C(3)-C(4) bond length is 1.36 Å. The C(3)-H(1) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(14), one C(3), and one C(5) atom. The C(4)-C(14) bond length is 1.43 Å. The C(4)-C(5) bond length is 1.36 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one H(2) atom. The C(5)-C(6) bond length is 1.44 Å. The C(5)-H(2) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(5), one C(7), and one N(3) atom. The C(6)-C(7) bond length is 1.50 Å. The C(6)-N(3) bond length is 1.47 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one H(3) atom. The C(7)-H(3) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(13), one C(9), and one N(4) atom. The C(8)-C(13) bond length is 1.44 Å. The C(8)-C(9) bond length is 1.38 Å. The C(8)-N(4) bond length is 1.49 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(10), one C(8), and one H(4) atom. The C(9)-C(10) bond length is 1.38 Å. The C(9)-H(4) bond length is 0.93 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(16), and one C(9) atom. The C(10)-C(11) bond length is 1.44 Å. The C(10)-C(16) bond length is 1.46 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(12), and one H(5) atom. The C(11)-C(12) bond length is 1.39 Å. The C(11)-H(5) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(15) atom. The C(12)-C(13) bond length is 1.36 Å. The C(12)-C(15) bond length is 1.50 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(12), one C(8), and one H(6) atom. The C(13)-H(6) bond length is 0.93 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(3), and one O(4) atom. The C(14)-O(3) bond length is 1.29 Å. The C(14)-O(4) bond length is 1.13 Å. In the fifteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(5), and one O(6) atom. The C(15)-O(5) bond length is 1.27 Å. The C(15)-O(6) bond length is 1.23 Å. In the sixteenth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(7), and one O(8) atom. The C(16)-O(7) bond length is 1.23 Å. The C(16)-O(8) bond length is 1.27 Å. In the seventeenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(7) atom. The C(17)-N(1) bond length is 1.26 Å. The C(17)-H(7) bond length is 0.93 Å. In the eighteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(20) and one H(9) atom. The C(19)-C(20) bond length is 1.43 Å. The C(19)-H(9) bond length is 0.93 Å. In the nineteenth C site, C(20) is bonded in a trigonal planar geometry to one C(19), one C(21), and one C(28) atom. The C(20)-C(21) bond length is 1.58 Å. The C(20)-C(28) bond length is 1.45 Å. In the twentieth C site, C(21) is bonded in a distorted single-bond geometry to one C(20) and one H(10) atom. The C(21)-H(10) bond length is 0.93 Å. In the twenty-first C site, C(22) is bonded in a distorted single-bond geometry to one C(23) and one H(11) atom. The C(22)-C(23) bond length is 1.38 Å. The C(22)-H(11) bond length is 0.93 Å. In the twenty-second C site, C(23) is bonded in a trigonal planar geometry to one C(22), one C(24), and one C(27) atom. The C(23)-C(24) bond length is 1.38 Å. The C(23)-C(27) bond length is 1.46 Å. In the twenty-third C site, C(24) is bonded in a distorted single-bond geometry to one C(23) and one H(12) atom. The C(24)-H(12) bond length is 0.93 Å. In the twenty-fourth C site, C(26) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(14) atom. The C(26)-N(2) bond length is 1.31 Å. The C(26)-H(14) bond length is 0.93 Å. In the twenty-fifth C site, C(27) is bonded in a distorted trigonal planar geometry to one C(23), one C(28), and one N(2) atom. The C(27)-C(28) bond length is 1.43 Å. The C(27)-N(2) bond length is 1.36 Å. In the twenty-sixth C site, C(28) is bonded in a distorted trigonal planar geometry to one C(20), one C(27), and one N(1) atom. The C(28)-N(1) bond length is 1.34 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(17), and one C(28) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(1), one C(26), and one C(27) atom. In the third N site, N(3) is bonded in a distorted bent 120 degrees geometry to one C(6) and one N(4) atom. The N(3)-N(4) bond length is 1.18 Å. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one C(8), one N(3), and one O(9) atom. The N(4)-O(9) bond length is 1.41 Å. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(5) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(9) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(11) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(13) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(17) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(19) atom. In the ninth H site, H(10) is bonded in a single-bond geometry to one C(21) atom. In the tenth H site, H(11) is bonded in a single-bond geometry to one C(22) atom. In the eleventh H site, H(12) is bonded in a single-bond geometry to one C(24) atom. In the twelfth H site, H(14) is bonded in a single-bond geometry to one C(26) atom. There are nine inequivalent O sites. In the first O site, O(2) is bonded in a single-bond geometry to one Zn(2) and one C(1) atom. In the second O site, O(3) is bonded in a distorted single-bond geometry to one Zn(2) and one C(14) atom. In the third O site, O(4) is bonded in a water-like geometry to one Zn(2) and one C(14) atom. In the fourth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(15) atom. In the fifth O site, O(6) is bonded in a bent 150 degrees geometry to one Zn(1) and one C(15) atom. In the sixth O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one Zn(2), and one C(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(16) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(16) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one N(4) atom. Linkers: 4 [O]C(=O)c1cc([N]N([O])c2cc(C([O])=O)cc(C([O])=O)c2)cc(C([O])=O)c1 ,2 c1cnc2c(c1)ccc1cccnc12. Metal clusters: 4 [O][C]O[Zn]1(O[C]=O)O[C]O[Zn]O[C]O1. RCSR code: pts. The MOF has largest included sphere 5.58 A, density 1.15 g/cm3, surface area 4097.73 m2/g, accessible volume 0.47 cm3/g