Na2CoH6(C7O4)2(CH)2 crystallizes in the monoclinic P2_1/c space group. The structure consists of eight 02329_fluka molecules inside a Na2CoH6(C7O4)2 framework. In the Na2CoH6(C7O4)2 framework, there are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 4-coordinate geometry to one O(1), one O(4), one O(6), and one O(7) atom. The Na(1)-O(1) bond length is 2.85 Å. The Na(1)-O(4) bond length is 2.35 Å. The Na(1)-O(6) bond length is 2.41 Å. The Na(1)-O(7) bond length is 2.43 Å. In the second Na site, Na(2) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(4), and two equivalent O(6) atoms. Both Na(2)-O(1) bond lengths are 2.42 Å. Both Na(2)-O(4) bond lengths are 2.37 Å. Both Na(2)-O(6) bond lengths are 2.32 Å. In the third Na site, Na(3) is bonded in a distorted octahedral geometry to two equivalent O(2), two equivalent O(5), and two equivalent O(8) atoms. Both Na(3)-O(2) bond lengths are 2.46 Å. Both Na(3)-O(5) bond lengths are 2.25 Å. Both Na(3)-O(8) bond lengths are 2.48 Å. Co(1) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(6), one O(7), and one O(8) atom. The Co(1)-O(2) bond length is 1.98 Å. The Co(1)-O(3) bond length is 2.05 Å. The Co(1)-O(6) bond length is 2.03 Å. The Co(1)-O(7) bond length is 2.32 Å. The Co(1)-O(8) bond length is 2.03 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(7) atom. The C(1)-C(2) bond length is 1.39 Å. The C(1)-C(6) bond length is 1.39 Å. The C(1)-C(7) bond length is 1.51 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-H(1) bond length is 0.95 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(8) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-C(8) bond length is 1.50 Å. In the fourth C site, C(4) is bonded in a single-bond geometry to one C(3) and one H(2) atom. The C(4)-H(2) bond length is 0.95 Å. In the fifth C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one H(4) atom. The C(6)-H(4) bond length is 0.95 Å. In the sixth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.24 Å. The C(7)-O(2) bond length is 1.28 Å. In the seventh C site, C(8) is bonded in a bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.27 Å. The C(8)-O(4) bond length is 1.24 Å. In the eighth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(14), and one C(15) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-C(14) bond length is 1.40 Å. The C(9)-C(15) bond length is 1.50 Å. In the ninth C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(9), and one H(5) atom. The C(10)-C(11) bond length is 1.39 Å. The C(10)-H(5) bond length is 0.95 Å. In the tenth C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(16) atom. The C(11)-C(12) bond length is 1.40 Å. The C(11)-C(16) bond length is 1.49 Å. In the eleventh C site, C(12) is bonded in a distorted single-bond geometry to one C(11) and one H(6) atom. The C(12)-H(6) bond length is 0.95 Å. In the twelfth C site, C(14) is bonded in a distorted single-bond geometry to one C(9) and one H(8) atom. The C(14)-H(8) bond length is 0.95 Å. In the thirteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(5), and one O(6) atom. The C(15)-O(5) bond length is 1.23 Å. The C(15)-O(6) bond length is 1.30 Å. In the fourteenth C site, C(16) is bonded in a bent 120 degrees geometry to one C(11), one O(7), and one O(8) atom. The C(16)-O(7) bond length is 1.26 Å. The C(16)-O(8) bond length is 1.28 Å. There are six 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(4) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(10) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(12) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(14) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one C(7) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(3), one Co(1), and one C(7) atom. In the third O site, O(3) is bonded in a water-like geometry to one Co(1) and one C(8) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one C(8) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Na(3) and one C(15) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Na(1), one Na(2), one Co(1), and one C(15) atom. In the seventh O site, O(7) is bonded in a distorted T-shaped geometry to one Na(1), one Co(1), and one C(16) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Na(3), one Co(1), and one C(16) atom. Linkers: 8 [O]C(=O)c1cccc(C([O])=O)c1. Metal clusters: 8 [Na] ,4 [Co]. The MOF has largest included sphere 3.98 A, density 1.41 g/cm3, surface area 3405.52 m2/g, accessible volume 0.24 cm3/g