LaC12P3H17O13 crystallizes in the triclinic P-1 space group. La(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(13), one O(3), one O(6), one O(7), one O(8), and one O(9) atom. The La(1)-O(1) bond length is 2.45 Å. The La(1)-O(10) bond length is 2.73 Å. The La(1)-O(13) bond length is 2.46 Å. The La(1)-O(3) bond length is 2.62 Å. The La(1)-O(6) bond length is 2.34 Å. The La(1)-O(7) bond length is 2.73 Å. The La(1)-O(8) bond length is 2.71 Å. The La(1)-O(9) bond length is 2.48 Å. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a 2-coordinate geometry to one C(2), one P(1), one H(9), and one O(4) atom. The C(1)-C(2) bond length is 1.51 Å. The C(1)-P(1) bond length is 1.85 Å. The C(1)-H(9) bond length is 1.10 Å. The C(1)-O(4) bond length is 1.43 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(4) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(4) bond length is 1.40 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(10) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-H(10) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(2), one C(3), and one H(11) atom. The C(4)-H(11) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a 4-coordinate geometry to one C(6), one P(2), one H(12), and one O(8) atom. The C(5)-C(6) bond length is 1.50 Å. The C(5)-P(2) bond length is 1.86 Å. The C(5)-H(12) bond length is 1.10 Å. The C(5)-O(8) bond length is 1.46 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(5), one C(7), and one C(8) atom. The C(6)-C(7) bond length is 1.40 Å. The C(6)-C(8) bond length is 1.40 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(6), one C(8), and one H(13) atom. The C(7)-C(8) bond length is 1.39 Å. The C(7)-H(13) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(6), one C(7), and one H(14) atom. The C(8)-H(14) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted tetrahedral geometry to one C(10), one P(3), one H(15), and one O(12) atom. The C(9)-C(10) bond length is 1.50 Å. The C(9)-P(3) bond length is 1.86 Å. The C(9)-H(15) bond length is 1.11 Å. The C(9)-O(12) bond length is 1.41 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(9) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-C(12) bond length is 1.40 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(10) and one H(16) atom. The C(11)-H(16) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(10) and one H(17) atom. The C(12)-H(17) bond length is 1.09 Å. There are three inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one C(1), one O(1), one O(2), and one O(3) atom. The P(1)-O(1) bond length is 1.53 Å. The P(1)-O(2) bond length is 1.60 Å. The P(1)-O(3) bond length is 1.53 Å. In the second P site, P(2) is bonded in a distorted tetrahedral geometry to one C(5), one O(5), one O(6), and one O(7) atom. The P(2)-O(5) bond length is 1.50 Å. The P(2)-O(6) bond length is 1.53 Å. The P(2)-O(7) bond length is 1.62 Å. In the third P site, P(3) is bonded in a tetrahedral geometry to one C(9), one O(10), one O(11), and one O(9) atom. The P(3)-O(10) bond length is 1.57 Å. The P(3)-O(11) bond length is 1.57 Å. The P(3)-O(9) bond length is 1.53 Å. There are seventeen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(2) atom. The H(1)-O(2) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(4) atom. The H(2)-O(4) bond length is 0.98 Å. In the third H site, H(3) is bonded in a distorted bent 150 degrees geometry to one O(10) and one O(7) atom. The H(3)-O(10) bond length is 1.61 Å. The H(3)-O(7) bond length is 1.01 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(8) atom. The H(4)-O(8) bond length is 0.98 Å. In the fifth H site, H(5) is bonded in a linear geometry to one O(10) and one O(11) atom. The H(5)-O(10) bond length is 1.55 Å. The H(5)-O(11) bond length is 1.02 Å. In the sixth H site, H(6) is bonded in a distorted single-bond geometry to one O(12) and one O(5) atom. The H(6)-O(12) bond length is 1.00 Å. The H(6)-O(5) bond length is 1.69 Å. In the seventh H site, H(7) is bonded in a linear geometry to one O(13) and one O(3) atom. The H(7)-O(13) bond length is 1.01 Å. The H(7)-O(3) bond length is 1.62 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(13) atom. The H(8)-O(13) bond length is 0.98 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(1) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(3) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(4) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(5) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(7) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(8) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one C(9) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one C(11) atom. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one C(12) atom. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one La(1) and one P(1) atom. In the second O site, O(2) is bonded in a water-like geometry to one P(1) and one H(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one La(1), one P(1), and one H(7) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one C(1) and one H(2) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one P(2) and one H(6) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one La(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one La(1), one P(2), and one H(3) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one La(1), one C(5), and one H(4) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one La(1) and one P(3) atom. In the tenth O site, O(10) is bonded in a distorted trigonal non-coplanar geometry to one La(1), one P(3), one H(3), and one H(5) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one P(3) and one H(5) atom. In the twelfth O site, O(12) is bonded in a water-like geometry to one C(9) and one H(6) atom. In the thirteenth O site, O(13) is bonded in a distorted water-like geometry to one La(1), one H(7), and one H(8) atom. Linkers: 2 O[P][C@@H](O)c1ccc([C@@H](O)[P]O)cc1 ,1 [O]P(=O)(O)[C@H](O)c1ccc([C@H](O)P([O])(=O)O)cc1. Metal clusters: 1 O.O.O=[P@@](O)([CH]O)O[La]12(OP(O)O1)OP(O)O2.O=[P@](O)([CH]O)O[La]12(OP(O)O1)OP(O)O2. The MOF has largest included sphere 4.94 A, density 1.62 g/cm3, surface area 3295.51 m2/g, accessible volume 0.26 cm3/g