Co3C18PN3H12O10 crystallizes in the triclinic P1 space group. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 6-coordinate geometry to one N(3), one O(1), one O(5), one O(7), and two equivalent O(8) atoms. The Co(1)-N(3) bond length is 2.10 Å. The Co(1)-O(1) bond length is 2.02 Å. The Co(1)-O(5) bond length is 2.00 Å. The Co(1)-O(7) bond length is 2.14 Å. There is one shorter (1.97 Å) and one longer (2.58 Å) Co(1)-O(8) bond length. In the second Co site, Co(2) is bonded in a 6-coordinate geometry to one N(1), one O(2), one O(6), one O(7), and two equivalent O(9) atoms. The Co(2)-N(1) bond length is 2.10 Å. The Co(2)-O(2) bond length is 2.03 Å. The Co(2)-O(6) bond length is 1.99 Å. The Co(2)-O(7) bond length is 2.16 Å. There is one shorter (1.97 Å) and one longer (2.60 Å) Co(2)-O(9) bond length. In the third Co site, Co(3) is bonded in a 6-coordinate geometry to one N(2), one O(3), one O(4), one O(7), and two equivalent O(10) atoms. The Co(3)-N(2) bond length is 2.09 Å. The Co(3)-O(3) bond length is 2.02 Å. The Co(3)-O(4) bond length is 2.00 Å. The Co(3)-O(7) bond length is 2.17 Å. There is one shorter (1.97 Å) and one longer (2.60 Å) Co(3)-O(10) bond length. There are seventeen inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(1), and one O(4) atom. The C(1)-C(4) bond length is 1.50 Å. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(4) bond length is 1.27 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(2), and one O(5) atom. The C(2)-C(5) bond length is 1.50 Å. The C(2)-O(2) bond length is 1.27 Å. The C(2)-O(5) bond length is 1.27 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(3), and one O(6) atom. The C(3)-C(6) bond length is 1.50 Å. The C(3)-O(3) bond length is 1.27 Å. The C(3)-O(6) bond length is 1.27 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(1), one C(16), and one C(7) atom. The C(4)-C(16) bond length is 1.40 Å. The C(4)-C(7) bond length is 1.40 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(17), one C(2), and one C(8) atom. The C(5)-C(17) bond length is 1.40 Å. The C(5)-C(8) bond length is 1.40 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(18), one C(3), and one C(9) atom. The C(6)-C(18) bond length is 1.40 Å. The C(6)-C(9) bond length is 1.40 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(10), one C(4), and one H(1) atom. The C(7)-C(10) bond length is 1.39 Å. The C(7)-H(1) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(11), one C(5), and one H(2) atom. The C(8)-C(11) bond length is 1.39 Å. The C(8)-H(2) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(6) and one H(3,10,11,12) atom. The C(9)-H(3,10,11,12) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(7), one N(1), and one H(4) atom. The C(10)-N(1) bond length is 1.35 Å. The C(10)-H(4) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(8), one N(2), and one H(5) atom. The C(11)-N(2) bond length is 1.35 Å. The C(11)-H(5) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one N(3) and one H(6) atom. The C(12)-N(3) bond length is 1.35 Å. The C(12)-H(6) bond length is 1.09 Å. In the thirteenth C site, C(13,14) is bonded in a distorted trigonal planar geometry to one N(1) and one H(7) atom. The C(13,14)-N(1) bond length is 1.35 Å. The C(13,14)-H(7) bond length is 1.09 Å. In the fourteenth C site, C(15) is bonded in a distorted trigonal planar geometry to one N(3) and one H(9) atom. The C(15)-N(3) bond length is 1.35 Å. The C(15)-H(9) bond length is 1.09 Å. In the fifteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(4) and one H(3,10,11,12) atom. The C(16)-H(3,10,11,12) bond length is 1.09 Å. In the sixteenth C site, C(17) is bonded in a distorted single-bond geometry to one C(5) and one H(3,10,11,12) atom. The C(17)-H(3,10,11,12) bond length is 1.09 Å. In the seventeenth C site, C(18) is bonded in a distorted single-bond geometry to one C(6) and one H(3,10,11,12) atom. The C(18)-H(3,10,11,12) bond length is 1.09 Å. P(1) is bonded in a tetrahedral geometry to one O(10), one O(7), one O(8), and one O(9) atom. The P(1)-O(10) bond length is 1.55 Å. The P(1)-O(7) bond length is 1.58 Å. The P(1)-O(8) bond length is 1.55 Å. The P(1)-O(9) bond length is 1.55 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Co(2); one C(10); and one C(13,14) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Co(3); one C(11); and one C(13,14) atom. The N(2)-C(13,14) bond length is 1.35 Å. In the third N site, N(3) is bonded in a trigonal planar geometry to one Co(1), one C(12), and one C(15) atom. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(7) 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(3,10,11,12) is bonded in a single-bond geometry to one C(9) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(10) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(11) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(12) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(13,14) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(13,14) atom. The H(8)-C(13,14) bond length is 1.09 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(15) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one C(2) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Co(3) and one C(3) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Co(3) and one C(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one C(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Co(2) and one C(3) atom. In the seventh O site, O(7) is bonded in a distorted tetrahedral geometry to one Co(1), one Co(2), one Co(3), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to two equivalent Co(1) and one P(1) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to two equivalent Co(2) and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to two equivalent Co(3) and one P(1) atom. Linkers: 3 [O]C(=O)c1ccncc1. Metal clusters: 3 [Co]. The MOF has largest included sphere 1.79 A, density 2.12 g/cm3, surface area 2962.01 m2/g, accessible volume 0.08 cm3/g