CdC19PNH13O6 crystallizes in the triclinic P-1 space group. Cd(1) is bonded to one N(1), one O(1), one O(3), one O(4), one O(5), and one O(6) atom to form CdNO5 octahedra that share corners with two equivalent P(1)C2O2 tetrahedra. The Cd(1)-N(1) bond length is 2.34 Å. The Cd(1)-O(1) bond length is 2.48 Å. The Cd(1)-O(3) bond length is 2.27 Å. The Cd(1)-O(4) bond length is 2.29 Å. The Cd(1)-O(5) bond length is 2.27 Å. The Cd(1)-O(6) bond length is 2.37 Å. There are nineteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one P(1) atom. The C(1)-C(2) bond length is 1.41 Å. The C(1)-C(6) bond length is 1.40 Å. The C(1)-P(1) bond length is 1.81 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(2) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-H(2) bond length is 1.09 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(3) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-H(3) bond length is 1.09 Å. In the fourth 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 fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(4) atom. The C(5)-H(4) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one H(5) atom. The C(6)-H(5) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.24 Å. The C(7)-O(2) bond length is 1.33 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(13), one C(9), and one P(1) atom. The C(8)-C(13) bond length is 1.40 Å. The C(8)-C(9) bond length is 1.40 Å. The C(8)-P(1) bond length is 1.81 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(8) and one H(6) atom. The C(9)-H(6) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(11) and one H(7) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-H(7) bond length is 1.09 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(14) atom. The C(11)-C(12) bond length is 1.40 Å. The C(11)-C(14) bond length is 1.51 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(11) and one H(8) atom. The C(12)-H(8) bond length is 1.09 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(8) and one H(9) atom. The C(13)-H(9) 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(11), one O(3), and one O(4) atom. The C(14)-O(3) bond length is 1.27 Å. The C(14)-O(4) bond length is 1.27 Å. In the fifteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(10) atom. The C(15)-N(1) bond length is 1.34 Å. The C(15)-H(10) bond length is 1.09 Å. In the sixteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(17) and one H(11) atom. The C(16)-C(17) bond length is 1.40 Å. The C(16)-H(11) bond length is 1.09 Å. In the seventeenth C site, C(17) is bonded in a trigonal planar geometry to one C(16), one C(17), and one C(18) atom. The C(17)-C(17) bond length is 1.48 Å. The C(17)-C(18) bond length is 1.41 Å. In the eighteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(17), one C(19), and one H(12) atom. The C(18)-C(19) bond length is 1.39 Å. The C(18)-H(12) bond length is 1.09 Å. In the nineteenth C site, C(19) is bonded in a distorted trigonal planar geometry to one C(18), one N(1), and one H(13) atom. The C(19)-N(1) bond length is 1.34 Å. The C(19)-H(13) bond length is 1.09 Å. P(1) is bonded to one C(1), one C(8), one O(5), and one O(6) atom to form PC2O2 tetrahedra that share corners with two equivalent Cd(1)NO5 octahedra. The corner-sharing octahedral tilt angles range from 21-49°. The P(1)-O(5) bond length is 1.52 Å. The P(1)-O(6) bond length is 1.54 Å. N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(15), and one C(19) atom. There are thirteen inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(2) and one O(6) atom. The H(1)-O(2) bond length is 1.04 Å. The H(1)-O(6) bond length is 1.53 Å. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(9) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(12) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(13) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(15) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(16) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(18) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(19) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Cd(1) and one C(7) atom. In the second O site, O(2) is bonded in a water-like geometry to one C(7) and one H(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Cd(1) and one C(14) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Cd(1) and one C(14) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cd(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Cd(1), one P(1), and one H(1) atom. Linkers: 2 [O]C(=O)c1ccc(P([O])(=O)c2ccc(C(=O)O)cc2)cc1 ,1 c1cc(-c2ccncc2)ccn1. Metal clusters: 2 [Cd]. RCSR code: bnn. The MOF has largest included sphere 2.68 A, density 1.84 g/cm3, surface area 3855.28 m2/g, accessible volume 0.15 cm3/g