Ba2C28H13O19(CH)4 crystallizes in the triclinic P-1 space group. The structure consists of eight 02329_fluka molecules inside a Ba2C28H13O19 framework. In the Ba2C28H13O19 framework, there are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 8-coordinate geometry to one O(10), one O(16), one O(19), one O(3), one O(4), one O(7), and two equivalent O(17) atoms. The Ba(1)-O(10) bond length is 2.73 Å. The Ba(1)-O(16) bond length is 2.80 Å. The Ba(1)-O(19) bond length is 2.78 Å. The Ba(1)-O(3) bond length is 2.88 Å. The Ba(1)-O(4) bond length is 2.85 Å. The Ba(1)-O(7) bond length is 2.81 Å. There is one shorter (2.84 Å) and one longer (3.07 Å) Ba(1)-O(17) bond length. In the second Ba site, Ba(2) is bonded in a 9-coordinate geometry to one O(12), one O(16), one O(17), one O(19), one O(2), one O(3), one O(9), and two equivalent O(18) atoms. The Ba(2)-O(12) bond length is 2.74 Å. The Ba(2)-O(16) bond length is 3.01 Å. The Ba(2)-O(17) bond length is 3.05 Å. The Ba(2)-O(19) bond length is 3.04 Å. The Ba(2)-O(2) bond length is 2.75 Å. The Ba(2)-O(3) bond length is 2.78 Å. The Ba(2)-O(9) bond length is 2.76 Å. There is one shorter (2.72 Å) and one longer (3.34 Å) Ba(2)-O(18) bond length. There are twenty-eight inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one O(8) atom. The C(1)-O(8) bond length is 1.39 Å. In the second C site, C(2) is bonded in a bent 120 degrees geometry to one C(11) and one C(4) atom. The C(2)-C(11) bond length is 1.39 Å. The C(2)-C(4) bond length is 1.40 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(5) and one H(1) atom. The C(3)-C(5) bond length is 1.39 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(15), one C(2), and one C(9) atom. The C(4)-C(15) bond length is 1.49 Å. The C(4)-C(9) bond length is 1.39 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(13), one C(24), and one C(3) atom. The C(5)-C(13) bond length is 1.38 Å. The C(5)-C(24) bond length is 1.49 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(8) and one H(2) atom. The C(6)-C(8) bond length is 1.38 Å. The C(6)-H(2) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(10) and one H(3) atom. The C(7)-C(10) bond length is 1.38 Å. 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(19), and one C(6) atom. The C(8)-C(13) bond length is 1.38 Å. The C(8)-C(19) 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(4), 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(26), one C(7), and one C(9) atom. The C(10)-C(26) bond length is 1.50 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(2) and one O(13) atom. The C(11)-O(13) bond length is 1.40 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(21), one O(11), and one O(12) atom. The C(12)-C(21) bond length is 1.51 Å. The C(12)-O(11) bond length is 1.24 Å. The C(12)-O(12) bond length is 1.26 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(5), one C(8), and one H(5) atom. The C(13)-H(5) bond length is 0.93 Å. In the fourteenth C site, C(14) is bonded in a trigonal planar geometry to one C(17), one C(23), and one C(28) atom. The C(14)-C(17) bond length is 1.51 Å. The C(14)-C(23) bond length is 1.39 Å. The C(14)-C(28) bond length is 1.40 Å. In the fifteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(14), and one O(15) atom. The C(15)-O(14) bond length is 1.32 Å. The C(15)-O(15) bond length is 1.21 Å. In the sixteenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(16), and one O(19) atom. The C(17)-O(16) bond length is 1.26 Å. The C(17)-O(19) bond length is 1.26 Å. In the seventeenth C site, C(18) is bonded in a distorted single-bond geometry to one C(21) and one O(8) atom. The C(18)-C(21) bond length is 1.40 Å. The C(18)-O(8) bond length is 1.39 Å. In the eighteenth C site, C(19) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(6), and one O(7) atom. The C(19)-O(6) bond length is 1.31 Å. The C(19)-O(7) bond length is 1.21 Å. In the nineteenth C site, C(20) is bonded in a trigonal planar geometry to one C(21), one C(22), and one C(30) atom. The C(20)-C(21) bond length is 1.40 Å. The C(20)-C(22) bond length is 1.51 Å. The C(20)-C(30) bond length is 1.39 Å. In the twentieth C site, C(21) is bonded in a trigonal planar geometry to one C(12), one C(18), and one C(20) atom. In the twenty-first C site, C(22) is bonded in a distorted bent 120 degrees geometry to one C(20), one O(10), and one O(9) atom. The C(22)-O(10) bond length is 1.25 Å. The C(22)-O(9) bond length is 1.25 Å. In the twenty-second C site, C(23) is bonded in a distorted single-bond geometry to one C(14) and one O(13) atom. The C(23)-O(13) bond length is 1.39 Å. In the twenty-third C site, C(24) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(4), and one O(5) atom. The C(24)-O(4) bond length is 1.21 Å. The C(24)-O(5) bond length is 1.31 Å. In the twenty-fourth C site, C(26) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(1), and one O(2) atom. The C(26)-O(1) bond length is 1.30 Å. The C(26)-O(2) bond length is 1.22 Å. In the twenty-fifth C site, C(27) is bonded in a distorted bent 120 degrees geometry to one C(28), one O(17), and one O(18) atom. The C(27)-C(28) bond length is 1.50 Å. The C(27)-O(17) bond length is 1.28 Å. The C(27)-O(18) bond length is 1.25 Å. In the twenty-sixth C site, C(28) is bonded in a trigonal planar geometry to one C(14), one C(27), and one C(29) atom. The C(28)-C(29) bond length is 1.39 Å. In the twenty-seventh C site, C(29) is bonded in a distorted single-bond geometry to one C(28) and one H(8) atom. The C(29)-H(8) bond length is 0.93 Å. In the twenty-eighth C site, C(30) is bonded in a distorted single-bond geometry to one C(20) and one H(9) atom. The C(30)-H(9) bond length is 0.93 Å. There are thirteen 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(6) 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(13) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(29) atom. In the seventh H site, H(9) is bonded in a single-bond geometry to one C(30) atom. In the eighth H site, H(12) is bonded in a single-bond geometry to one O(1) atom. The H(12)-O(1) bond length is 0.77 Å. In the ninth H site, H(13) is bonded in a single-bond geometry to one O(3) atom. The H(13)-O(3) bond length is 0.85 Å. In the tenth H site, H(14) is bonded in a single-bond geometry to one O(3) atom. The H(14)-O(3) bond length is 0.85 Å. In the eleventh H site, H(15) is bonded in a single-bond geometry to one O(5) atom. The H(15)-O(5) bond length is 0.81 Å. In the twelfth H site, H(16) is bonded in a single-bond geometry to one O(6) atom. The H(16)-O(6) bond length is 0.70 Å. In the thirteenth H site, H(17) is bonded in a single-bond geometry to one O(14) atom. The H(17)-O(14) bond length is 0.89 Å. There are nineteen inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one C(26) and one H(12) atom. In the second O site, O(2) is bonded in a single-bond geometry to one Ba(2) and one C(26) atom. In the third O site, O(3) is bonded in a water-like geometry to one Ba(1), one Ba(2), one H(13), and one H(14) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Ba(1) and one C(24) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one C(24) and one H(15) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one C(19) and one H(16) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one Ba(1) and one C(19) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one C(1) and one C(18) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Ba(2) and one C(22) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Ba(1) and one C(22) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to one C(12) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Ba(2) and one C(12) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one C(11) and one C(23) atom. In the fourteenth O site, O(14) is bonded in a water-like geometry to one C(15) and one H(17) atom. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one C(15) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one Ba(1), one Ba(2), and one C(17) atom. In the seventeenth O site, O(17) is bonded in a distorted single-bond geometry to one Ba(2), two equivalent Ba(1), and one C(27) atom. In the eighteenth O site, O(18) is bonded in a distorted single-bond geometry to two equivalent Ba(2) and one C(27) atom. In the nineteenth O site, O(19) is bonded in a distorted single-bond geometry to one Ba(1), one Ba(2), and one C(17) atom. Linkers: 2 [O]C(=O)c1cccc(Oc2[c]c(C(=O)O)cc(C(=O)O)c2)c1C([O])=O ,2 [O]C(=O)c1cccc(Oc2cc(C(=O)O)cc(C(=O)O)c2)c1C([O])=O. Metal clusters: 4 [Ba]. The MOF has largest included sphere 5.21 A, density 1.71 g/cm3, surface area 3394.07 m2/g, accessible volume 0.19 cm3/g