GdC22H12(NO3)2(CH)2 crystallizes in the triclinic P-1 space group. The structure consists of eight 02329_fluka molecules inside a GdC22H12(NO3)2 framework. In the GdC22H12(NO3)2 framework, there are two inequivalent Gd sites. In the first Gd site, Gd(1) is bonded in a 9-coordinate geometry to one N(1), one N(2), one O(1), one O(10), one O(11), one O(6), one O(7), and two equivalent O(4) atoms. The Gd(1)-N(1) bond length is 2.65 Å. The Gd(1)-N(2) bond length is 2.60 Å. The Gd(1)-O(1) bond length is 2.52 Å. The Gd(1)-O(10) bond length is 2.54 Å. The Gd(1)-O(11) bond length is 2.38 Å. The Gd(1)-O(6) bond length is 2.32 Å. The Gd(1)-O(7) bond length is 2.42 Å. There is one shorter (2.34 Å) and one longer (2.60 Å) Gd(1)-O(4) bond length. In the second Gd site, Gd(2) is bonded in a 8-coordinate geometry to one N(3), one N(4), one O(12), one O(2), one O(3), one O(5), one O(8), and one O(9) atom. The Gd(2)-N(3) bond length is 2.59 Å. The Gd(2)-N(4) bond length is 2.57 Å. The Gd(2)-O(12) bond length is 2.38 Å. The Gd(2)-O(2) bond length is 2.37 Å. The Gd(2)-O(3) bond length is 2.33 Å. The Gd(2)-O(5) bond length is 2.44 Å. The Gd(2)-O(8) bond length is 2.41 Å. The Gd(2)-O(9) bond length is 2.29 Å. There are forty-four inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(1) atom. The C(1)-C(3) bond length is 1.40 Å. The C(1)-C(5) bond length is 1.40 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(2), and one O(3) atom. The C(2)-C(3) bond length is 1.50 Å. The C(2)-O(2) bond length is 1.27 Å. The C(2)-O(3) bond length is 1.27 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(13), and one C(2) atom. The C(3)-C(13) bond length is 1.40 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(10), and one O(4) atom. The C(4)-C(5) bond length is 1.49 Å. The C(4)-O(10) bond length is 1.26 Å. The C(4)-O(4) bond length is 1.28 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(1), one C(10), and one C(4) atom. The C(5)-C(10) bond length is 1.40 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(12), and one O(9) atom. The C(6)-C(9) bond length is 1.50 Å. The C(6)-O(12) bond length is 1.27 Å. The C(6)-O(9) bond length is 1.27 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(15), one C(19), and one C(26) atom. The C(7)-C(15) bond length is 1.40 Å. The C(7)-C(19) bond length is 1.49 Å. The C(7)-C(26) bond length is 1.40 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(17), one C(9), and one H(2) atom. The C(8)-C(17) bond length is 1.40 Å. The C(8)-C(9) bond length is 1.40 Å. The C(8)-H(2) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(20), one C(6), and one C(8) atom. The C(9)-C(20) bond length is 1.41 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(16), one C(5), and one H(3) atom. The C(10)-C(16) bond length is 1.39 Å. The C(10)-H(3) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(31) and one N(2) atom. The C(11)-C(31) bond length is 1.42 Å. The C(11)-N(2) bond length is 1.36 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(25) and one N(1) atom. The C(12)-C(25) bond length is 1.42 Å. The C(12)-N(1) bond length is 1.36 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(3) and one H(4) atom. The C(13)-H(4) bond length is 1.09 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(17), one O(1), and one O(11) atom. The C(14)-C(17) bond length is 1.49 Å. The C(14)-O(1) bond length is 1.28 Å. The C(14)-O(11) bond length is 1.28 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(22), one C(7), and one H(5) atom. The C(15)-C(22) bond length is 1.40 Å. The C(15)-H(5) bond length is 1.09 Å. In the sixteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(10) and one H(6) atom. The C(16)-H(6) bond length is 1.09 Å. In the seventeenth C site, C(17) is bonded in a trigonal planar geometry to one C(14), one C(23), and one C(8) atom. The C(17)-C(23) bond length is 1.40 Å. In the eighteenth C site, C(18) is bonded in a distorted bent 120 degrees geometry to one C(22), one O(6), and one O(7) atom. The C(18)-C(22) bond length is 1.50 Å. The C(18)-O(6) bond length is 1.27 Å. The C(18)-O(7) bond length is 1.28 Å. In the nineteenth C site, C(19) is bonded in a bent 120 degrees geometry to one C(7), one O(5), and one O(8) atom. The C(19)-O(5) bond length is 1.28 Å. The C(19)-O(8) bond length is 1.29 Å. In the twentieth C site, C(20) is bonded in a distorted single-bond geometry to one C(9) and one H(7) atom. The C(20)-H(7) bond length is 1.09 Å. In the twenty-first C site, C(21) is bonded in a distorted trigonal planar geometry to one C(24), one C(32), and one N(3) atom. The C(21)-C(24) bond length is 1.44 Å. The C(21)-C(32) bond length is 1.42 Å. The C(21)-N(3) bond length is 1.36 Å. In the twenty-second C site, C(22) is bonded in a trigonal planar geometry to one C(15), one C(18), and one C(27) atom. The C(22)-C(27) bond length is 1.41 Å. In the twenty-third C site, C(23) is bonded in a distorted trigonal planar geometry to one C(17), one C(29), and one H(8) atom. The C(23)-C(29) bond length is 1.40 Å. The C(23)-H(8) bond length is 1.09 Å. In the twenty-fourth C site, C(24) is bonded in a distorted trigonal planar geometry to one C(21), one C(33), and one N(4) atom. The C(24)-C(33) bond length is 1.42 Å. The C(24)-N(4) bond length is 1.36 Å. In the twenty-fifth C site, C(25) is bonded in a trigonal planar geometry to one C(12), one C(35), and one C(37) atom. The C(25)-C(35) bond length is 1.43 Å. The C(25)-C(37) bond length is 1.41 Å. In the twenty-sixth C site, C(26) is bonded in a distorted single-bond geometry to one C(7) and one H(9) atom. The C(26)-H(9) bond length is 1.09 Å. In the twenty-seventh C site, C(27) is bonded in a distorted single-bond geometry to one C(22) and one H(10) atom. The C(27)-H(10) bond length is 1.09 Å. In the twenty-eighth C site, C(28) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(11) atom. The C(28)-N(1) bond length is 1.33 Å. The C(28)-H(11) bond length is 1.09 Å. In the twenty-ninth C site, C(29) is bonded in a distorted single-bond geometry to one C(23) and one H(12) atom. The C(29)-H(12) bond length is 1.09 Å. In the thirtieth C site, C(30) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(13) atom. The C(30)-N(2) bond length is 1.33 Å. The C(30)-H(13) bond length is 1.09 Å. In the thirty-first C site, C(31) is bonded in a trigonal planar geometry to one C(11), one C(39), and one C(45) atom. The C(31)-C(39) bond length is 1.43 Å. The C(31)-C(45) bond length is 1.41 Å. In the thirty-second C site, C(32) is bonded in a trigonal planar geometry to one C(21), one C(46), and one C(48) atom. The C(32)-C(46) bond length is 1.41 Å. The C(32)-C(48) bond length is 1.43 Å. In the thirty-third C site, C(33) is bonded in a trigonal planar geometry to one C(24), one C(42), and one C(43) atom. The C(33)-C(42) bond length is 1.41 Å. The C(33)-C(43) bond length is 1.43 Å. In the thirty-fourth C site, C(34) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(14) atom. The C(34)-N(4) bond length is 1.33 Å. The C(34)-H(14) bond length is 1.09 Å. In the thirty-fifth C site, C(35) is bonded in a distorted single-bond geometry to one C(25) and one H(15) atom. The C(35)-H(15) bond length is 1.09 Å. In the thirty-sixth C site, C(37) is bonded in a distorted single-bond geometry to one C(25) and one H(17) atom. The C(37)-H(17) bond length is 1.09 Å. In the thirty-seventh C site, C(39) is bonded in a distorted single-bond geometry to one C(31) and one H(19) atom. The C(39)-H(19) bond length is 1.09 Å. In the thirty-eighth C site, C(40) is bonded in a distorted trigonal planar geometry to one C(47), one N(3), and one H(20) atom. The C(40)-C(47) bond length is 1.40 Å. The C(40)-N(3) bond length is 1.33 Å. The C(40)-H(20) bond length is 1.09 Å. In the thirty-ninth C site, C(42) is bonded in a distorted single-bond geometry to one C(33) and one H(22) atom. The C(42)-H(22) bond length is 1.09 Å. In the fortieth C site, C(43) is bonded in a distorted single-bond geometry to one C(33) and one H(23) atom. The C(43)-H(23) bond length is 1.09 Å. In the forty-first C site, C(45) is bonded in a distorted single-bond geometry to one C(31) and one H(25) atom. The C(45)-H(25) bond length is 1.09 Å. In the forty-second C site, C(46) is bonded in a distorted single-bond geometry to one C(32), one C(47), and one H(26) atom. The C(46)-C(47) bond length is 1.38 Å. The C(46)-H(26) bond length is 1.09 Å. In the forty-third C site, C(47) is bonded in a distorted trigonal planar geometry to one C(40), one C(46), and one H(27) atom. The C(47)-H(27) bond length is 1.09 Å. In the forty-fourth C site, C(48) is bonded in a distorted single-bond geometry to one C(32) and one H(28) atom. The C(48)-H(28) bond length is 1.09 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Gd(1), one C(12), and one C(28) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Gd(1), one C(11), and one C(30) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Gd(2), one C(21), and one C(40) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Gd(2), one C(24), and one C(34) atom. There are twenty-four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(8) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(10) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(13) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(15) 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(23) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(26) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(27) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(28) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(29) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(30) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(34) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one C(35) atom. In the sixteenth H site, H(17) is bonded in a single-bond geometry to one C(37) atom. In the seventeenth H site, H(19) is bonded in a single-bond geometry to one C(39) atom. In the eighteenth H site, H(20) is bonded in a single-bond geometry to one C(40) atom. In the nineteenth H site, H(22) is bonded in a single-bond geometry to one C(42) atom. In the twentieth H site, H(23) is bonded in a single-bond geometry to one C(43) atom. In the twenty-first H site, H(25) is bonded in a single-bond geometry to one C(45) atom. In the twenty-second H site, H(26) is bonded in a single-bond geometry to one C(46) atom. In the twenty-third H site, H(27) is bonded in a single-bond geometry to one C(47) atom. In the twenty-fourth H site, H(28) is bonded in a single-bond geometry to one C(48) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Gd(1) and one C(14) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Gd(2) and one C(2) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Gd(2) and one C(2) atom. In the fourth O site, O(4) is bonded in a 1-coordinate geometry to two equivalent Gd(1) and one C(4) atom. In the fifth O site, O(5) is bonded in a distorted L-shaped geometry to one Gd(2) and one C(19) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Gd(1) and one C(18) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Gd(1) and one C(18) atom. In the eighth O site, O(8) is bonded in a distorted L-shaped geometry to one Gd(2) and one C(19) atom. In the ninth O site, O(9) is bonded in a distorted linear geometry to one Gd(2) and one C(6) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Gd(1) and one C(4) atom. In the eleventh O site, O(11) is bonded in a distorted L-shaped geometry to one Gd(1) and one C(14) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Gd(2) and one C(6) atom. Linkers: 6 [O]C(=O)c1cccc(C([O])=O)c1. Metal clusters: 2 [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 4.44 A, density 1.71 g/cm3, surface area 3552.86 m2/g, accessible volume 0.18 cm3/g