Dy2C28H13O13 crystallizes in the monoclinic P2_1/c space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(3), one O(4), one O(6), and one O(9) atom. The Dy(1)-O(1) bond length is 2.34 Å. The Dy(1)-O(10) bond length is 2.36 Å. The Dy(1)-O(3) bond length is 2.46 Å. The Dy(1)-O(4) bond length is 2.42 Å. The Dy(1)-O(6) bond length is 2.28 Å. The Dy(1)-O(9) bond length is 2.48 Å. In the second Dy site, Dy(2) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(13), one O(2), one O(5), one O(7), and one O(8) atom. The Dy(2)-O(11) bond length is 2.40 Å. The Dy(2)-O(12) bond length is 2.45 Å. The Dy(2)-O(13) bond length is 2.35 Å. The Dy(2)-O(2) bond length is 2.28 Å. The Dy(2)-O(5) bond length is 2.32 Å. The Dy(2)-O(7) bond length is 2.46 Å. The Dy(2)-O(8) bond length is 2.35 Å. There are twenty-eight 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 1.41 Å. The C(1)-C(6) bond length is 1.41 Å. The C(1)-C(7) bond length is 1.46 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 0.93 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 1.46 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(2) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-H(2) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(9) atom. The C(5)-C(6) bond length is 1.39 Å. The C(5)-C(9) bond length is 1.46 Å. In the sixth 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 seventh 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 1.22 Å. The C(7)-O(2) bond length is 1.26 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.25 Å. The C(8)-O(4) bond length is 1.22 Å. In the ninth C site, C(9) is bonded in a linear geometry to one C(10) and one C(5) atom. The C(9)-C(10) bond length is 1.17 Å. In the tenth C site, C(10) is bonded in a linear geometry to one C(11) and one C(9) atom. The C(10)-C(11) bond length is 1.44 Å. In the eleventh 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 1.42 Å. The C(11)-C(16) bond length is 1.37 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(11), one C(13), and one H(4) atom. The C(12)-C(13) bond length is 1.38 Å. The C(12)-H(4) bond length is 0.93 Å. In the thirteenth C site, C(13) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(17) atom. The C(13)-C(14) bond length is 1.37 Å. The C(13)-C(17) bond length is 1.48 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(13), one C(15), and one H(5) atom. The C(14)-C(15) bond length is 1.43 Å. The C(14)-H(5) bond length is 0.93 Å. In the fifteenth C site, C(15) is bonded in a trigonal planar geometry to one C(14), one C(16), and one C(18) atom. The C(15)-C(16) bond length is 1.39 Å. The C(15)-C(18) bond length is 1.44 Å. In the sixteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(11), one C(15), and one H(6) atom. The C(16)-H(6) bond length is 0.93 Å. In the seventeenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(13), one O(5), and one O(6) atom. The C(17)-O(5) bond length is 1.32 Å. The C(17)-O(6) bond length is 1.29 Å. In the eighteenth C site, C(18) is bonded in a bent 120 degrees geometry to one C(15), one O(7), and one O(8) atom. The C(18)-O(7) bond length is 1.21 Å. The C(18)-O(8) bond length is 1.21 Å. In the nineteenth C site, C(19) is bonded in a trigonal planar geometry to one C(20), one C(24), and one C(25) atom. The C(19)-C(20) bond length is 1.41 Å. The C(19)-C(24) bond length is 1.41 Å. The C(19)-C(25) bond length is 1.50 Å. In the twentieth C site, C(20) is bonded in a distorted single-bond geometry to one C(19), one C(21), and one H(7) atom. The C(20)-C(21) bond length is 1.38 Å. The C(20)-H(7) bond length is 0.93 Å. In the twenty-first C site, C(21) is bonded in a trigonal planar geometry to one C(20), one C(22), and one C(27) atom. The C(21)-C(22) bond length is 1.39 Å. The C(21)-C(27) bond length is 1.43 Å. In the twenty-second C site, C(22) is bonded in a single-bond geometry to one C(21), one C(23), and one H(8) atom. The C(22)-C(23) bond length is 1.40 Å. The C(22)-H(8) bond length is 0.93 Å. In the twenty-third C site, C(23) is bonded in a trigonal planar geometry to one C(22), one C(24), and one C(26) atom. The C(23)-C(24) bond length is 1.37 Å. The C(23)-C(26) bond length is 1.48 Å. In the twenty-fourth C site, C(24) is bonded in a distorted single-bond geometry to one C(19), one C(23), and one H(9) atom. The C(24)-H(9) bond length is 0.93 Å. In the twenty-fifth C site, C(25) is bonded in a bent 120 degrees geometry to one C(19), one O(10), and one O(9) atom. The C(25)-O(10) bond length is 1.24 Å. The C(25)-O(9) bond length is 1.27 Å. In the twenty-sixth C site, C(26) is bonded in a distorted bent 120 degrees geometry to one C(23), one O(11), and one O(12) atom. The C(26)-O(11) bond length is 1.18 Å. The C(26)-O(12) bond length is 1.34 Å. In the twenty-seventh C site, C(27) is bonded in a linear geometry to one C(21) and one C(27) atom. The C(27)-C(27) bond length is 1.16 Å. In the twenty-eighth C site, C(28) is bonded in a tetrahedral geometry to three equivalent H(10,11,12) and one O(13) atom. All C(28)-H(10,11,12) bond lengths are 0.96 Å. The C(28)-O(13) bond length is 1.54 Å. There are eleven 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(4) is bonded in a single-bond geometry to one C(12) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(14) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(16) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(20) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(22) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(24) atom. In the tenth H site, H(10,11,12) is bonded in a single-bond geometry to one C(28) atom. In the eleventh H site, H(13) is bonded in a single-bond geometry to one O(13) atom. The H(13)-O(13) bond length is 0.85 Å. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Dy(1) and one C(7) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Dy(2) and one C(7) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Dy(1) and one C(8) atom. In the fourth O site, O(4) is bonded in an L-shaped geometry to one Dy(1) and one C(8) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Dy(2) and one C(17) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Dy(1) and one C(17) atom. In the seventh O site, O(7) is bonded in a distorted L-shaped geometry to one Dy(2) and one C(18) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Dy(2) and one C(18) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Dy(1) and one C(25) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one Dy(1) and one C(25) atom. In the eleventh O site, O(11) is bonded in a distorted L-shaped geometry to one Dy(2) and one C(26) atom. In the twelfth O site, O(12) is bonded in a distorted L-shaped geometry to one Dy(2) and one C(26) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 120 degrees geometry to one Dy(2), one C(28), and one H(13) atom. Linkers: 6 [O]C(=O)c1cc(C#Cc2cc(C([O])=O)cc(C([O])=O)c2)cc(C([O])=O)c1. Metal clusters: 4 CO.O=[C]O[Dy]12(O[C]O1)O[C]O[Dy]13(O[C]O2)(O[C]O1)O[C]O3. The MOF has largest included sphere 5.96 A, density 1.33 g/cm3, surface area 3336.92 m2/g, accessible volume 0.40 cm3/g