Gd2H30(C19O6)3(CH)12 crystallizes in the monoclinic C2/c space group. The structure consists of forty-eight 02329_fluka molecules inside a Gd2H30(C19O6)3 framework. In the Gd2H30(C19O6)3 framework, Gd(1) is bonded in a 6-coordinate geometry to one O(4), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. The Gd(1)-O(4) bond length is 2.34 Å. The Gd(1)-O(5) bond length is 2.36 Å. The Gd(1)-O(6) bond length is 2.35 Å. The Gd(1)-O(7) bond length is 2.46 Å. The Gd(1)-O(8) bond length is 2.30 Å. The Gd(1)-O(9) bond length is 2.33 Å. There are twenty-nine inequivalent C sites. In the first C site, C(35) is bonded in a water-like geometry to two equivalent C(5) and two equivalent H(5) atoms. Both C(35)-C(5) bond lengths are 1.52 Å. Both C(35)-H(5) bond lengths are 0.97 Å. In the second C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(31), and one C(6) atom. The C(1)-C(2) bond length is 1.37 Å. The C(1)-C(31) bond length is 1.46 Å. The C(1)-C(6) bond length is 1.47 Å. In the third C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(4) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-H(4) bond length is 0.93 Å. In the fourth C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(29), and one C(4) atom. The C(3)-C(29) bond length is 1.42 Å. The C(3)-C(4) bond length is 1.43 Å. In the fifth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(7) atom. The C(4)-C(5) bond length is 1.38 Å. The C(4)-C(7) bond length is 1.44 Å. In the sixth C site, C(5) is bonded in a trigonal planar geometry to one C(35), one C(4), and one C(6) atom. The C(5)-C(6) bond length is 1.36 Å. In the seventh C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one O(1) atom. The C(6)-O(1) bond length is 1.35 Å. In the eighth C site, C(7) is bonded in a single-bond geometry to one C(4) and one H(6) atom. The C(7)-H(6) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(13), and one C(28) atom. The C(9)-C(10) bond length is 1.38 Å. The C(9)-C(13) bond length is 1.47 Å. The C(9)-C(28) bond length is 1.47 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(9), and one H(8) atom. The C(10)-C(11) bond length is 1.41 Å. The C(10)-H(8) bond length is 0.93 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(33) atom. The C(11)-C(12) bond length is 1.42 Å. The C(11)-C(33) bond length is 1.40 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(14), and one C(16) atom. The C(12)-C(14) bond length is 1.40 Å. The C(12)-C(16) bond length is 1.39 Å. In the thirteenth C site, C(13) is bonded in a single-bond geometry to one C(14), one C(9), and one O(2) atom. The C(13)-C(14) bond length is 1.37 Å. The C(13)-O(2) bond length is 1.37 Å. In the fourteenth C site, C(14) is bonded in a trigonal planar geometry to one C(12), one C(13), and one C(15) atom. The C(14)-C(15) bond length is 1.55 Å. In the fifteenth C site, C(15) is bonded in a water-like geometry to one C(14); one C(21); and two equivalent H(9,10) atoms. The C(15)-C(21) bond length is 1.50 Å. Both C(15)-H(9,10) bond lengths are 0.97 Å. In the sixteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(12) and one H(11) atom. The C(16)-H(11) bond length is 0.93 Å. In the seventeenth C site, C(17) is bonded in a distorted trigonal planar geometry to one C(20), one O(6), and one O(7) atom. The C(17)-C(20) bond length is 1.41 Å. The C(17)-O(6) bond length is 1.31 Å. The C(17)-O(7) bond length is 1.28 Å. In the eighteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(20), one C(21), and one O(3) atom. The C(18)-C(20) bond length is 1.46 Å. The C(18)-C(21) bond length is 1.35 Å. The C(18)-O(3) bond length is 1.32 Å. In the nineteenth C site, C(19) is bonded in a distorted trigonal planar geometry to one C(20), one C(23), and one H(12) atom. The C(19)-C(20) bond length is 1.38 Å. The C(19)-C(23) bond length is 1.39 Å. The C(19)-H(12) bond length is 0.93 Å. In the twentieth C site, C(20) is bonded in a trigonal planar geometry to one C(17), one C(18), and one C(19) atom. In the twenty-first C site, C(21) is bonded in a trigonal planar geometry to one C(15), one C(18), and one C(22) atom. The C(21)-C(22) bond length is 1.41 Å. In the twenty-second C site, C(22) is bonded in a trigonal planar geometry to one C(21), one C(23), and one C(24) atom. The C(22)-C(23) bond length is 1.43 Å. The C(22)-C(24) bond length is 1.42 Å. In the twenty-third C site, C(23) is bonded in a trigonal planar geometry to one C(19), one C(22), and one C(27) atom. The C(23)-C(27) bond length is 1.39 Å. In the twenty-fourth C site, C(24) is bonded in a distorted single-bond geometry to one C(22) and one H(13) atom. The C(24)-H(13) bond length is 0.93 Å. In the twenty-fifth C site, C(27) is bonded in a distorted single-bond geometry to one C(23) and one H(16) atom. The C(27)-H(16) bond length is 0.93 Å. In the twenty-sixth C site, C(28) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(4), and one O(5) atom. The C(28)-O(4) bond length is 1.29 Å. The C(28)-O(5) bond length is 1.20 Å. In the twenty-seventh C site, C(29) is bonded in a distorted single-bond geometry to one C(3) and one H(17) atom. The C(29)-H(17) bond length is 0.93 Å. In the twenty-eighth C site, C(31) is bonded in a bent 120 degrees geometry to one C(1), one O(8), and one O(9) atom. The C(31)-O(8) bond length is 1.24 Å. The C(31)-O(9) bond length is 1.31 Å. In the twenty-ninth C site, C(33) is bonded in a distorted single-bond geometry to one C(11) and one H(20) atom. The C(33)-H(20) bond length is 0.93 Å. There are fourteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. The H(1)-O(1) bond length is 0.82 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. The H(2)-O(2) bond length is 0.82 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(3) atom. The H(3)-O(3) bond length is 0.82 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(35) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(7) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(10) atom. In the eighth H site, H(9,10) is bonded in a single-bond geometry to one C(15) atom. In the ninth H site, H(11) is bonded in a single-bond geometry to one C(16) atom. In the tenth H site, H(12) is bonded in a single-bond geometry to one C(19) atom. In the eleventh H site, H(13) is bonded in a single-bond geometry to one C(24) atom. In the twelfth H site, H(16) is bonded in a single-bond geometry to one C(27) atom. In the thirteenth H site, H(17) is bonded in a single-bond geometry to one C(29) atom. In the fourteenth H site, H(20) is bonded in a single-bond geometry to one C(33) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one C(6) and one H(1) atom. In the second O site, O(2) is bonded in a water-like geometry to one C(13) and one H(2) atom. In the third O site, O(3) is bonded in a water-like geometry to one C(18) and one H(3) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Gd(1) and one C(28) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Gd(1) and one C(28) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Gd(1) and one C(17) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Gd(1) and one C(17) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Gd(1) and one C(31) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Gd(1) and one C(31) atom. Linkers: 12 [O]C(=O)c1cc2ccccc2c(Cc2c(O)c(C([O])=O)cc3ccccc23)c1O. Metal clusters: 4 [C]1O[Gd]234(O1)O[C]O[Gd]1(O[C]O1)(O[C]O2)(O[C]O3)O[C]O4. RCSR code: pcu. The MOF has largest included sphere 8.78 A, density 0.85 g/cm3, surface area 3854.84 m2/g, accessible volume 0.76 cm3/g