La4C25N4H11O17(CH)3 crystallizes in the monoclinic Cc space group. The structure consists of twelve 02329_fluka molecules inside a La4C25N4H11O17 framework. In the La4C25N4H11O17 framework, there are four inequivalent La sites. In the first La site, La(1) is bonded in a 5-coordinate geometry to one N(1), one O(1), one O(10), one O(12), and one O(3) atom. The La(1)-N(1) bond length is 2.63 Å. The La(1)-O(1) bond length is 2.51 Å. The La(1)-O(10) bond length is 2.55 Å. The La(1)-O(12) bond length is 2.53 Å. The La(1)-O(3) bond length is 2.55 Å. In the second La site, La(2) is bonded in a 5-coordinate geometry to one N(2), one O(2), one O(4), one O(5), and one O(7) atom. The La(2)-N(2) bond length is 2.67 Å. The La(2)-O(2) bond length is 2.45 Å. The La(2)-O(4) bond length is 2.53 Å. The La(2)-O(5) bond length is 2.58 Å. The La(2)-O(7) bond length is 2.53 Å. In the third La site, La(3) is bonded in a 5-coordinate geometry to one N(3), one O(11), one O(14), one O(16), and one O(9) atom. The La(3)-N(3) bond length is 2.66 Å. The La(3)-O(11) bond length is 2.54 Å. The La(3)-O(14) bond length is 2.47 Å. The La(3)-O(16) bond length is 2.47 Å. The La(3)-O(9) bond length is 2.56 Å. In the fourth La site, La(4) is bonded in a 6-coordinate geometry to one N(4), one O(13), one O(15), one O(17), one O(6), and one O(8) atom. The La(4)-N(4) bond length is 2.63 Å. The La(4)-O(13) bond length is 2.49 Å. The La(4)-O(15) bond length is 2.51 Å. The La(4)-O(17) bond length is 2.60 Å. The La(4)-O(6) bond length is 2.66 Å. The La(4)-O(8) bond length is 2.44 Å. There are twenty-five inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.21 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one N(1) atom. The C(2)-N(1) bond length is 1.26 Å. In the third C site, C(4) is bonded in a distorted single-bond geometry to one C(5) and one H(4) atom. The C(4)-C(5) bond length is 1.37 Å. The C(4)-H(4) bond length is 0.93 Å. In the fourth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one H(5) atom. The C(5)-C(6) bond length is 1.38 Å. The C(5)-H(5) bond length is 0.93 Å. In the fifth C site, C(6) is bonded in a distorted single-bond geometry to one C(5) and one N(1) atom. The C(6)-N(1) bond length is 1.35 Å. In the sixth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(7)-O(3) bond length is 1.20 Å. The C(7)-O(4) bond length is 1.21 Å. In the seventh C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(5), and one O(6) atom. The C(8)-C(9) bond length is 1.53 Å. The C(8)-O(5) bond length is 1.24 Å. The C(8)-O(6) bond length is 1.24 Å. In the eighth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one C(8), and one N(2) atom. The C(9)-C(10) bond length is 1.37 Å. The C(9)-N(2) bond length is 1.33 Å. In the ninth C site, C(10) is bonded in a distorted single-bond geometry to one C(9) and one H(6) atom. The C(10)-H(6) bond length is 0.93 Å. In the tenth C site, C(13) is bonded in a distorted single-bond geometry to one N(2) atom. The C(13)-N(2) bond length is 1.31 Å. In the eleventh C site, C(14) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(14)-O(7) bond length is 1.24 Å. The C(14)-O(8) bond length is 1.27 Å. In the twelfth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(16), one O(10), and one O(9) atom. The C(15)-C(16) bond length is 1.50 Å. The C(15)-O(10) bond length is 1.24 Å. The C(15)-O(9) bond length is 1.29 Å. In the thirteenth C site, C(16) is bonded in a distorted trigonal planar geometry to one C(15), one C(17), and one N(3) atom. The C(16)-C(17) bond length is 1.39 Å. The C(16)-N(3) bond length is 1.35 Å. In the fourteenth C site, C(17) is bonded in a distorted single-bond geometry to one C(16) and one H(9) atom. The C(17)-H(9) bond length is 0.93 Å. In the fifteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(19) and one H(10) atom. The C(18)-C(19) bond length is 1.39 Å. The C(18)-H(10) bond length is 0.93 Å. In the sixteenth C site, C(19) is bonded in a distorted trigonal planar geometry to one C(18), one C(20), and one H(11) atom. The C(19)-C(20) bond length is 1.38 Å. The C(19)-H(11) bond length is 0.93 Å. In the seventeenth C site, C(20) is bonded in a distorted single-bond geometry to one C(19) and one N(3) atom. The C(20)-N(3) bond length is 1.35 Å. In the eighteenth C site, C(21) is bonded in a distorted bent 120 degrees geometry to one O(11) and one O(12) atom. The C(21)-O(11) bond length is 1.29 Å. The C(21)-O(12) bond length is 1.23 Å. In the nineteenth C site, C(22) is bonded in a distorted bent 120 degrees geometry to one C(23), one O(13), and one O(14) atom. The C(22)-C(23) bond length is 1.47 Å. The C(22)-O(13) bond length is 1.32 Å. The C(22)-O(14) bond length is 1.26 Å. In the twentieth C site, C(23) is bonded in a distorted trigonal planar geometry to one C(22), one C(24), and one N(4) atom. The C(23)-C(24) bond length is 1.38 Å. The C(23)-N(4) bond length is 1.35 Å. In the twenty-first C site, C(24) is bonded in a distorted single-bond geometry to one C(23), one C(25), and one H(12) atom. The C(24)-C(25) bond length is 1.41 Å. The C(24)-H(12) bond length is 0.93 Å. In the twenty-second C site, C(25) is bonded in a distorted trigonal planar geometry to one C(24), one C(26), and one H(13) atom. The C(25)-C(26) bond length is 1.40 Å. The C(25)-H(13) bond length is 0.93 Å. In the twenty-third C site, C(26) is bonded in a distorted single-bond geometry to one C(25), one C(27), and one H(14) atom. The C(26)-C(27) bond length is 1.33 Å. The C(26)-H(14) bond length is 0.93 Å. In the twenty-fourth C site, C(27) is bonded in a distorted trigonal planar geometry to one C(26), one C(28), and one N(4) atom. The C(27)-C(28) bond length is 1.47 Å. The C(27)-N(4) bond length is 1.39 Å. In the twenty-fifth C site, C(28) is bonded in a distorted bent 120 degrees geometry to one C(27), one O(15), and one O(16) atom. The C(28)-O(15) bond length is 1.27 Å. The C(28)-O(16) bond length is 1.27 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one La(1), one C(2), and one C(6) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one La(2), one C(13), and one C(9) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one La(3), one C(16), and one C(20) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one La(4), one C(23), and one C(27) atom. There are eleven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(17) atom. The H(1)-O(17) bond length is 0.85 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(17) atom. The H(2)-O(17) bond length is 0.85 Å. In the third H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the sixth H site, H(9) is bonded in a single-bond geometry to one C(17) atom. In the seventh H site, H(10) is bonded in a single-bond geometry to one C(18) atom. In the eighth H site, H(11) is bonded in a single-bond geometry to one C(19) atom. In the ninth H site, H(12) is bonded in a single-bond geometry to one C(24) atom. In the tenth H site, H(13) is bonded in a single-bond geometry to one C(25) atom. In the eleventh H site, H(14) is bonded in a single-bond geometry to one C(26) atom. There are seventeen inequivalent O sites. In the first O site, O(5) is bonded in a distorted single-bond geometry to one La(2) and one C(8) atom. In the second O site, O(6) is bonded in a distorted single-bond geometry to one La(4) and one C(8) atom. In the third O site, O(7) is bonded in a distorted bent 120 degrees geometry to one La(2) and one C(14) atom. In the fourth O site, O(8) is bonded in a bent 150 degrees geometry to one La(4) and one C(14) atom. In the fifth O site, O(9) is bonded in a distorted single-bond geometry to one La(3) and one C(15) atom. In the sixth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one La(1) and one C(15) atom. In the seventh O site, O(11) is bonded in a bent 120 degrees geometry to one La(3) and one C(21) atom. In the eighth O site, O(12) is bonded in a bent 150 degrees geometry to one La(1) and one C(21) atom. In the ninth O site, O(13) is bonded in a bent 120 degrees geometry to one La(4) and one C(22) atom. In the tenth O site, O(14) is bonded in a bent 150 degrees geometry to one La(3) and one C(22) atom. In the eleventh O site, O(15) is bonded in a distorted bent 120 degrees geometry to one La(4) and one C(28) atom. In the twelfth O site, O(16) is bonded in a distorted bent 150 degrees geometry to one La(3) and one C(28) atom. In the thirteenth O site, O(17) is bonded in a water-like geometry to one La(4), one H(1), and one H(2) atom. In the fourteenth O site, O(1) is bonded in a distorted single-bond geometry to one La(1) and one C(1) atom. In the fifteenth O site, O(2) is bonded in a distorted bent 150 degrees geometry to one La(2) and one C(1) atom. In the sixteenth O site, O(3) is bonded in a distorted bent 120 degrees geometry to one La(1) and one C(7) atom. In the seventeenth O site, O(4) is bonded in a bent 150 degrees geometry to one La(2) and one C(7) atom. Linkers: 16 [O]C(=O)c1cccc(C([O])=O)n1. Metal clusters: 16 [La]. The MOF has largest included sphere 9.36 A, density 1.04 g/cm3, surface area 3153.82 m2/g, accessible volume 0.66 cm3/g