Pb3C12P4H12(NO6)2 crystallizes in the trigonal R-3 space group. There are three inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 5-coordinate geometry to one O(1), one O(12), one O(2), one O(5), and one O(8) atom. The Pb(1)-O(1) bond length is 2.33 Å. The Pb(1)-O(12) bond length is 2.57 Å. The Pb(1)-O(2) bond length is 2.48 Å. The Pb(1)-O(5) bond length is 2.53 Å. The Pb(1)-O(8) bond length is 2.40 Å. In the second Pb site, Pb(2) is bonded to one O(2), one O(3), one O(5), one O(7), and one O(8) atom to form distorted PbO5 square pyramids that share  a cornercorner with one P(2)CO3 tetrahedra, corners with two equivalent P(1)CO3 tetrahedra, and corners with two equivalent P(3)CO3 tetrahedra. The Pb(2)-O(2) bond length is 2.69 Å. The Pb(2)-O(3) bond length is 2.27 Å. The Pb(2)-O(5) bond length is 2.62 Å. The Pb(2)-O(7) bond length is 2.37 Å. The Pb(2)-O(8) bond length is 2.62 Å. In the third Pb site, Pb(3) is bonded in a 5-coordinate geometry to one N(1), one O(11), one O(4), one O(7), and one O(9) atom. The Pb(3)-N(1) bond length is 2.86 Å. The Pb(3)-O(11) bond length is 2.37 Å. The Pb(3)-O(4) bond length is 2.81 Å. The Pb(3)-O(7) bond length is 2.66 Å. The Pb(3)-O(9) bond length is 2.31 Å. There are twelve inequivalent C sites. In the first C site, C(1) is bonded to one P(2), one N(1), one H(1), and one H(2) atom to form distorted corner-sharing CPH2N tetrahedra. The C(1)-P(2) bond length is 1.83 Å. The C(1)-N(1) bond length is 1.49 Å. The C(1)-H(1) bond length is 0.97 Å. The C(1)-H(2) bond length is 0.97 Å. In the second C site, C(2) is bonded to one P(1); one N(1); and two equivalent H(3,4) atoms to form distorted corner-sharing CPH2N tetrahedra. The C(2)-P(1) bond length is 1.84 Å. The C(2)-N(1) bond length is 1.45 Å. Both C(2)-H(3,4) bond lengths are 0.97 Å. In the third C site, C(3) is bonded in a 2-coordinate geometry to one C(4), one N(1), one H(5), and one H(6) atom. The C(3)-C(4) bond length is 1.50 Å. The C(3)-N(1) bond length is 1.54 Å. The C(3)-H(5) bond length is 0.97 Å. The C(3)-H(6) bond length is 0.97 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(6) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-C(6) bond length is 1.15 Å. In the fifth C site, C(5) is bonded in a single-bond geometry to one C(4) atom. In the sixth C site, C(6) is bonded in a single-bond geometry to one C(4) atom. In the seventh C site, C(7) is bonded to one P(3), one N(2), one H(7), and one H(8) atom to form distorted corner-sharing CPH2N tetrahedra. The C(7)-P(3) bond length is 1.82 Å. The C(7)-N(2) bond length is 1.45 Å. The C(7)-H(7) bond length is 0.97 Å. The C(7)-H(8) bond length is 0.97 Å. In the eighth C site, C(8) is bonded to one P(4), one N(2), one H(10), and one H(9) atom to form distorted corner-sharing CPH2N tetrahedra. The C(8)-P(4) bond length is 1.89 Å. The C(8)-N(2) bond length is 1.44 Å. The C(8)-H(10) bond length is 0.97 Å. The C(8)-H(9) bond length is 0.97 Å. In the ninth C site, C(9) is bonded in a 3-coordinate geometry to one C(10), one N(2), one H(11), and one H(12) atom. The C(9)-C(10) bond length is 1.51 Å. The C(9)-N(2) bond length is 1.52 Å. The C(9)-H(11) bond length is 0.97 Å. The C(9)-H(12) bond length is 0.97 Å. In the tenth C site, C(10) is bonded in a distorted trigonal non-coplanar geometry to one C(11), one C(12), and one C(9) atom. The C(10)-C(11) bond length is 1.49 Å. The C(10)-C(12) bond length is 1.53 Å. In the eleventh C site, C(11) is bonded in a single-bond geometry to one C(10) atom. In the twelfth C site, C(12) is bonded in a single-bond geometry to one C(10) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded to one C(2), one O(1), one O(2), and one O(3) atom to form distorted PCO3 tetrahedra that share corners with two equivalent Pb(2)O5 square pyramids. The P(1)-O(1) bond length is 1.54 Å. The P(1)-O(2) bond length is 1.52 Å. The P(1)-O(3) bond length is 1.53 Å. In the second P site, P(2) is bonded to one C(1), one O(4), one O(5), and one O(6) atom to form PCO3 tetrahedra that share  a cornercorner with one Pb(2)O5 square pyramid. The P(2)-O(4) bond length is 1.54 Å. The P(2)-O(5) bond length is 1.50 Å. The P(2)-O(6) bond length is 1.50 Å. In the third P site, P(3) is bonded to one C(7), one O(7), one O(8), and one O(9) atom to form PCO3 tetrahedra that share corners with two equivalent Pb(2)O5 square pyramids. The P(3)-O(7) bond length is 1.53 Å. The P(3)-O(8) bond length is 1.55 Å. The P(3)-O(9) bond length is 1.51 Å. In the fourth P site, P(4) is bonded in a distorted tetrahedral geometry to one C(8), one O(10), one O(11), and one O(12) atom. The P(4)-O(10) bond length is 1.56 Å. The P(4)-O(11) bond length is 1.51 Å. The P(4)-O(12) bond length is 1.54 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal non-coplanar geometry to one Pb(3), one C(1), one C(2), and one C(3) atom. In the second N site, N(2) is bonded in a trigonal non-coplanar geometry to one C(7), one C(8), and one C(9) atom. There are eleven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(3,4) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(3) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(3) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(7) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(7) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(8) atom. In the ninth H site, H(10) is bonded in a single-bond geometry to one C(8) atom. In the tenth H site, H(11) is bonded in a single-bond geometry to one C(9) atom. In the eleventh H site, H(12) is bonded in a single-bond geometry to one C(9) atom. There are twelve inequivalent O sites. In the first O site, O(3) is bonded in a distorted single-bond geometry to one Pb(2) and one P(1) atom. In the second O site, O(4) is bonded in a single-bond geometry to one Pb(3) and one P(2) atom. In the third O site, O(5) is bonded in a distorted single-bond geometry to one Pb(1), one Pb(2), and one P(2) atom. In the fourth O site, O(6) is bonded in a single-bond geometry to one P(2) atom. In the fifth O site, O(7) is bonded in a distorted single-bond geometry to one Pb(2), one Pb(3), and one P(3) atom. In the sixth O site, O(1) is bonded in a distorted single-bond geometry to one Pb(1) and one P(1) atom. In the seventh O site, O(2) is bonded in a distorted single-bond geometry to one Pb(1), one Pb(2), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Pb(1), one Pb(2), and one P(3) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Pb(3) and one P(3) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one P(4) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Pb(3) and one P(4) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Pb(1) and one P(4) atom. Linkers: 6 [C][C]([C])CN(CP([O])([O])=O)CP([O])([O])=O ,6 [C]C(=[C])CN(CP([O])([O])=O)CP([O])([O])=O. Metal clusters: 18 [Pb]. The MOF has largest included sphere 5.95 A, density 2.80 g/cm3, surface area 2056.14 m2/g, accessible volume 0.11 cm3/g