BaCoC7NH10O10CH3 crystallizes in the triclinic P-1 space group. The structure consists of two 02329_fluka molecules inside a BaCoC7NH10O10 framework. In the BaCoC7NH10O10 framework, Ba(1) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(7), one O(9), and two equivalent O(5) atoms. The Ba(1)-O(1) bond length is 2.90 Å. The Ba(1)-O(10) bond length is 2.89 Å. The Ba(1)-O(2) bond length is 2.85 Å. The Ba(1)-O(3) bond length is 2.89 Å. The Ba(1)-O(4) bond length is 2.85 Å. The Ba(1)-O(7) bond length is 2.90 Å. The Ba(1)-O(9) bond length is 2.73 Å. There is one shorter (2.74 Å) and one longer (2.92 Å) Ba(1)-O(5) bond length. Co(1) is bonded in a 5-coordinate geometry to one N(1), one O(1), one O(3), one O(6), and one O(7) atom. The Co(1)-N(1) bond length is 2.25 Å. The Co(1)-O(1) bond length is 2.00 Å. The Co(1)-O(3) bond length is 2.02 Å. The Co(1)-O(6) bond length is 1.99 Å. The Co(1)-O(7) bond length is 2.02 Å. There are seven inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal non-coplanar geometry to one N(1), one H(1), and one H(2) atom. The C(1)-N(1) bond length is 1.47 Å. The C(1)-H(1) bond length is 1.10 Å. The C(1)-H(2) bond length is 1.10 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(6) atom. The C(2)-O(2) bond length is 1.25 Å. The C(2)-O(6) bond length is 1.29 Å. In the third C site, C(3) is bonded in a distorted trigonal non-coplanar geometry to one N(1), one H(3), and one H(4) atom. The C(3)-N(1) bond length is 1.47 Å. The C(3)-H(3) bond length is 1.10 Å. The C(3)-H(4) bond length is 1.10 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(4)-O(3) bond length is 1.29 Å. The C(4)-O(4) bond length is 1.26 Å. In the fifth C site, C(5) is bonded in a distorted trigonal non-coplanar geometry to one N(1), one H(5), and one H(6) atom. The C(5)-N(1) bond length is 1.47 Å. The C(5)-H(5) bond length is 1.10 Å. The C(5)-H(6) bond length is 1.10 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(5) atom. The C(6)-O(1) bond length is 1.29 Å. The C(6)-O(5) bond length is 1.26 Å. In the seventh C site, C(8) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(8)-O(7) bond length is 1.29 Å. The C(8)-O(8) bond length is 1.27 Å. N(1) is bonded in a distorted tetrahedral geometry to one Co(1), one C(1), one C(3), and one C(5) atom. There are ten inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(3) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(5) atom. In the seventh H site, H(10) is bonded in a distorted single-bond geometry to one O(6) and one O(9) atom. The H(10)-O(6) bond length is 1.68 Å. The H(10)-O(9) bond length is 1.00 Å. In the eighth H site, H(11) is bonded in a single-bond geometry to one O(9) atom. The H(11)-O(9) bond length is 0.97 Å. In the ninth H site, H(12) is bonded in a single-bond geometry to one O(10) atom. The H(12)-O(10) bond length is 0.99 Å. In the tenth H site, H(13) is bonded in a single-bond geometry to one O(10) atom. The H(13)-O(10) bond length is 0.99 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 Ba(1), one Co(1), and one C(6) atom. In the second O site, O(2) is bonded in a single-bond geometry to one Ba(1) and one C(2) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Ba(1), one Co(1), and one C(4) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one Ba(1) and one C(4) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one C(6) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Co(1), one C(2), and one H(10) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one Ba(1), one Co(1), and one C(8) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one C(8) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one Ba(1), one H(10), and one H(11) atom. In the tenth O site, O(10) is bonded in a water-like geometry to one Ba(1), one H(12), and one H(13) atom. Linkers: 2 [O]C(=O)CN(CC([O])=O)CC([O])=O ,2 CC([O])=O. Metal clusters: 2 [Ba] ,2 [Co]. The MOF has largest included sphere 1.79 A, density 2.34 g/cm3, surface area 2872.87 m2/g, accessible volume 0.08 cm3/g