ZnC7NH4O4CH2 crystallizes in the orthorhombic Pna2_1 space group. The structure consists of eight 02329_fluka molecules inside a ZnC7NH4O4 framework. In the ZnC7NH4O4 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 O(1), one O(3), one O(6), and one O(8) atom. The Zn(1)-N(1) bond length is 2.17 Å. The Zn(1)-O(1) bond length is 2.13 Å. The Zn(1)-O(3) bond length is 2.08 Å. The Zn(1)-O(6) bond length is 2.12 Å. The Zn(1)-O(8) bond length is 2.10 Å. In the second Zn site, Zn(2) is bonded in a square pyramidal geometry to one N(2), one O(2), one O(4), one O(5), and one O(7) atom. The Zn(2)-N(2) bond length is 2.15 Å. The Zn(2)-O(2) bond length is 2.11 Å. The Zn(2)-O(4) bond length is 2.09 Å. The Zn(2)-O(5) bond length is 2.10 Å. The Zn(2)-O(7) bond length is 2.13 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(1)-O(1) bond length is 1.26 Å. The C(1)-O(2) bond length is 1.24 Å. In the second C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(3)-O(3) bond length is 1.25 Å. The C(3)-O(4) bond length is 1.24 Å. In the third C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. The C(4)-O(5) bond length is 1.27 Å. The C(4)-O(6) bond length is 1.27 Å. In the fourth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(6)-O(7) bond length is 1.26 Å. The C(6)-O(8) bond length is 1.28 Å. In the fifth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(5) atom. The C(7)-N(1) bond length is 1.31 Å. The C(7)-H(5) bond length is 0.93 Å. In the sixth C site, C(8) is bonded in a distorted single-bond geometry to one C(9) and one H(6) atom. The C(8)-C(9) bond length is 1.39 Å. The C(8)-H(6) bond length is 0.93 Å. In the seventh C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(8) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-C(12) bond length is 1.48 Å. In the eighth C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(9), and one H(7) atom. The C(10)-C(11) bond length is 1.36 Å. The C(10)-H(7) bond length is 0.93 Å. In the ninth C site, C(11) is bonded in a distorted trigonal planar geometry to one C(10), one N(1), and one H(8) atom. The C(11)-N(1) bond length is 1.32 Å. The C(11)-H(8) bond length is 0.93 Å. In the tenth C site, C(12) is bonded in a trigonal planar geometry to one C(13), one C(16), and one C(9) atom. The C(12)-C(13) bond length is 1.39 Å. The C(12)-C(16) bond length is 1.38 Å. In the eleventh C site, C(13) is bonded in a distorted single-bond geometry to one C(12) and one H(9) atom. The C(13)-H(9) bond length is 0.93 Å. In the twelfth C site, C(14) is bonded in a 2-coordinate geometry to one N(2) and one H(10) atom. The C(14)-N(2) bond length is 1.36 Å. The C(14)-H(10) bond length is 0.93 Å. In the thirteenth C site, C(15) is bonded in a distorted trigonal planar geometry to one C(16), one N(2), and one H(11) atom. The C(15)-C(16) bond length is 1.38 Å. The C(15)-N(2) bond length is 1.36 Å. The C(15)-H(11) bond length is 0.93 Å. In the fourteenth C site, C(16) is bonded in a single-bond geometry to one C(12), one C(15), and one H(12) atom. The C(16)-H(12) bond length is 0.93 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(11), and one C(7) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(2), one C(14), and one C(15) atom. There are eight inequivalent H sites. In the first H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the second H site, H(6) is bonded in a single-bond geometry to one C(8) atom. In the third H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the fourth H site, H(8) is bonded in a single-bond geometry to one C(11) atom. In the fifth H site, H(9) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(10) is bonded in a single-bond geometry to one C(14) atom. In the seventh H site, H(11) is bonded in a single-bond geometry to one C(15) atom. In the eighth H site, H(12) is bonded in a single-bond geometry to one C(16) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one C(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(3) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one C(3) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(4) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(4) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(6) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(6) atom. Linkers: 8 [O]C(=O)CC([O])=O ,4 c1cc(-c2ccncc2)ccn1. Metal clusters: 8 [Zn]. RCSR code: hcb. The MOF has largest included sphere 4.09 A, density 1.48 g/cm3, surface area 4134.78 m2/g, accessible volume 0.28 cm3/g