LaC21NH12O6 crystallizes in the trigonal R32 space group. La(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(3), and four equivalent O(2) atoms. Both La(1)-O(1) bond lengths are 2.45 Å. Both La(1)-O(3) bond lengths are 2.41 Å. There are two shorter (2.51 Å) and two longer (2.87 Å) La(1)-O(2) bond lengths. There are twelve inequivalent C sites. In the first C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(2) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-H(2) bond length is 1.09 Å. In the second 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 1.40 Å. The C(4)-C(7) bond length is 1.48 Å. In the third C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one H(3) atom. The C(5)-C(6) bond length is 1.38 Å. The C(5)-H(3) bond length is 1.09 Å. In the fourth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(4) atom. The C(6)-C(1) bond length is 1.41 Å. The C(6)-H(4) bond length is 1.09 Å. In the fifth C site, C(7) is bonded in a bent 120 degrees geometry to one C(4), 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 1.29 Å. In the sixth C site, C(8) is bonded in a distorted trigonal planar geometry to two equivalent C(9) and one N(1) atom. Both C(8)-C(9) bond lengths are 1.40 Å. The C(8)-N(1) bond length is 1.43 Å. In the seventh C site, C(9) is bonded in a distorted single-bond geometry to one C(10), one C(8), and one H(5) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-H(5) bond length is 1.09 Å. In the eighth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11), one C(9), and one H(6) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-H(6) bond length is 1.09 Å. In the ninth C site, C(11) is bonded in a trigonal planar geometry to one C(12) and two equivalent C(10) atoms. The C(11)-C(12) bond length is 1.49 Å. In the tenth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(11) and two equivalent O(3) atoms. Both C(12)-O(3) bond lengths are 1.28 Å. In the eleventh C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one C(6), and one N(1) atom. The C(1)-C(2) bond length is 1.41 Å. The C(1)-N(1) bond length is 1.41 Å. In the twelfth 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 1.09 Å. N(1) is bonded in a trigonal planar geometry to one C(8) and two equivalent C(1) atoms. 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(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one La(1) and one C(7) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent La(1) and one C(7) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one La(1) and one C(12) atom. Linkers: 3 [O]C(=O)c1ccc(N(c2ccc(C([O])=O)cc2)c2ccc(C([O])=O)cc2)cc1. Metal clusters: 3 [La]. RCSR code: acs. The MOF has largest included sphere 9.29 A, density 1.14 g/cm3, surface area 3442.17 m2/g, accessible volume 0.51 cm3/g