MnC7H3O4C3H2C5H4O crystallizes in the monoclinic P2_1/c space group. The structure consists of four 2,3-dimethyl-1,3-butadiene molecules and eight 3-methoxy-2-methylprop-1-ene molecules inside a MnC7H3O4 framework. In the MnC7H3O4 framework, there are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a trigonal pyramidal geometry to one O(1), one O(4), one O(8), and one O(9) atom. The Mn(1)-O(1) bond length is 2.10 Å. The Mn(1)-O(4) bond length is 2.10 Å. The Mn(1)-O(8) bond length is 2.06 Å. The Mn(1)-O(9) bond length is 2.15 Å. In the second Mn site, Mn(2) is bonded in a distorted see-saw-like geometry to one O(10), one O(2), one O(3), and one O(7) atom. The Mn(2)-O(10) bond length is 2.07 Å. The Mn(2)-O(2) bond length is 2.15 Å. The Mn(2)-O(3) bond length is 2.20 Å. The Mn(2)-O(7) bond length is 2.09 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 1.49 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one H(1) atom. The C(2)-H(1) bond length is 0.93 Å. In the third C site, C(4) is bonded in a distorted single-bond geometry to one C(5) and one H(2) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(2) bond length is 0.93 Å. In the fourth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(8) atom. The C(5)-C(6) bond length is 1.38 Å. The C(5)-C(8) bond length is 1.49 Å. In the fifth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(3) atom. The C(6)-H(3) bond length is 0.93 Å. In the sixth C site, C(7) is bonded in a bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.28 Å. The C(7)-O(2) bond length is 1.26 Å. In the seventh C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.28 Å. The C(8)-O(4) bond length is 1.23 Å. In the eighth C site, C(23) is bonded in a distorted single-bond geometry to one C(24) and one H(14) atom. The C(23)-C(24) bond length is 1.40 Å. The C(23)-H(14) bond length is 0.93 Å. In the ninth C site, C(24) is bonded in a trigonal planar geometry to one C(23), one C(25), and one C(28) atom. The C(24)-C(25) bond length is 1.38 Å. The C(24)-C(28) bond length is 1.45 Å. In the tenth C site, C(25) is bonded in a distorted single-bond geometry to one C(24), one C(26), and one H(15) atom. The C(25)-C(26) bond length is 1.39 Å. The C(25)-H(15) bond length is 0.93 Å. In the eleventh C site, C(26) is bonded in a trigonal planar geometry to one C(25), one C(27), and one C(29) atom. The C(26)-C(27) bond length is 1.39 Å. The C(26)-C(29) bond length is 1.50 Å. In the twelfth C site, C(27) is bonded in a distorted single-bond geometry to one C(26) and one H(16) atom. The C(27)-H(16) bond length is 0.93 Å. In the thirteenth C site, C(28) is bonded in a distorted bent 120 degrees geometry to one C(24), one O(7), and one O(8) atom. The C(28)-O(7) bond length is 1.27 Å. The C(28)-O(8) bond length is 1.28 Å. In the fourteenth C site, C(29) is bonded in a distorted bent 120 degrees geometry to one C(26), one O(10), and one O(9) atom. The C(29)-O(10) bond length is 1.27 Å. The C(29)-O(9) bond length is 1.25 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(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(14) is bonded in a single-bond geometry to one C(23) atom. In the fifth H site, H(15) is bonded in a single-bond geometry to one C(25) atom. In the sixth H site, H(16) is bonded in a single-bond geometry to one C(27) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Mn(1) and one C(7) atom. In the second O site, O(2) is bonded in a water-like geometry to one Mn(2) and one C(7) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Mn(2) and one C(8) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(8) atom. In the fifth O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Mn(2) and one C(28) atom. In the sixth O site, O(8) is bonded in a bent 150 degrees geometry to one Mn(1) and one C(28) atom. In the seventh O site, O(9) is bonded in a water-like geometry to one Mn(1) and one C(29) atom. In the eighth O site, O(10) is bonded in a bent 150 degrees geometry to one Mn(2) and one C(29) atom. Linkers: 4 [CH]C(=[CH])OCc1ccc(-c2ccc(COc3cc(C([O])=O)cc(C([O])=O)c3)cc2)cc1 ,4 [O]C(=O)c1cc(OCc2ccc(-c3ccc(COc4cc(C([O])=O)cc(C([O])=O)c4)cc3)cc2)cc(C([O])=O)c1 ,4 [CH]=CC(=[CH])c1ccc(COc2cc(C([O])=O)cc(C([O])=O)c2)cc1. Metal clusters: 8 [Mn]. The MOF has largest included sphere 5.71 A, density 1.24 g/cm3, surface area 3889.55 m2/g, accessible volume 0.33 cm3/g