CH3Pb2C19NH12O9 crystallizes in the triclinic P-1 space group. The structure consists of two 02329_fluka molecules inside a Pb2C19NH12O9 framework. In the Pb2C19NH12O9 framework, there are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 4-coordinate geometry to one O(1), one O(3), one O(4), and one O(9) atom. The Pb(1)-O(1) bond length is 2.43 Å. The Pb(1)-O(3) bond length is 2.44 Å. The Pb(1)-O(4) bond length is 2.42 Å. The Pb(1)-O(9) bond length is 2.61 Å. In the second Pb site, Pb(2) is bonded in a 5-coordinate geometry to one O(6), one O(7), one O(8), and two equivalent O(2) atoms. The Pb(2)-O(6) bond length is 2.43 Å. The Pb(2)-O(7) bond length is 2.40 Å. The Pb(2)-O(8) bond length is 2.66 Å. There is one shorter (2.33 Å) and one longer (2.72 Å) Pb(2)-O(2) bond length. There are nineteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(1), one C(14), and one C(8) atom. The C(1)-C(1) bond length is 1.49 Å. The C(1)-C(14) bond length is 1.41 Å. The C(1)-C(8) bond length is 1.41 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(1), and one O(6) atom. The C(2)-C(7) bond length is 1.50 Å. The C(2)-O(1) bond length is 1.29 Å. The C(2)-O(6) bond length is 1.27 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(13), one C(7), and one H(1) atom. The C(3)-C(13) bond length is 1.40 Å. The C(3)-C(7) bond length is 1.40 Å. The C(3)-H(1) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(15), one C(5), and one H(2) atom. The C(4)-C(15) bond length is 1.40 Å. The C(4)-C(5) bond length is 1.41 Å. The C(4)-H(2) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(5), and one C(6) atom. The C(5)-C(5) bond length is 1.49 Å. The C(5)-C(6) bond length is 1.40 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(11), one C(5), and one H(3) atom. The C(6)-C(11) bond length is 1.40 Å. The C(6)-H(3) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(14), one C(2), and one C(3) atom. The C(7)-C(14) bond length is 1.40 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(1), one C(13), and one H(4) atom. The C(8)-C(13) bond length is 1.40 Å. The C(8)-H(4) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(2), and one O(3) atom. The C(9)-C(11) bond length is 1.50 Å. The C(9)-O(2) bond length is 1.29 Å. The C(9)-O(3) bond length is 1.26 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(15), and one H(5) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-C(15) bond length is 1.40 Å. The C(10)-H(5) 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(6), and one C(9) atom. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(15), one O(4), and one O(5) atom. The C(12)-C(15) bond length is 1.51 Å. The C(12)-O(4) bond length is 1.29 Å. The C(12)-O(5) bond length is 1.27 Å. In the thirteenth C site, C(13) is bonded in a trigonal planar geometry to one C(16), one C(3), and one C(8) atom. The C(13)-C(16) bond length is 1.51 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(1), one C(7), and one H(6) atom. The C(14)-H(6) bond length is 1.09 Å. In the fifteenth C site, C(15) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(4) atom. In the sixteenth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(13), one O(7), and one O(8) atom. The C(16)-O(7) bond length is 1.27 Å. The C(16)-O(8) bond length is 1.28 Å. In the seventeenth C site, C(17) is bonded to one N(1), one H(7), one H(8), and one H(9) atom to form corner-sharing CH3N tetrahedra. The C(17)-N(1) bond length is 1.45 Å. The C(17)-H(7) bond length is 1.09 Å. The C(17)-H(8) bond length is 1.10 Å. The C(17)-H(9) bond length is 1.10 Å. In the eighteenth C site, C(18) is bonded in a distorted bent 120 degrees geometry to one N(1) and one O(9) atom. The C(18)-N(1) bond length is 1.35 Å. The C(18)-O(9) bond length is 1.26 Å. In the nineteenth C site, C(20) is bonded to one N(1), one H(13), one H(14), and one H(15) atom to form corner-sharing CH3N tetrahedra. The C(20)-N(1) bond length is 1.45 Å. The C(20)-H(13) bond length is 1.09 Å. The C(20)-H(14) bond length is 1.10 Å. The C(20)-H(15) bond length is 1.10 Å. N(1) is bonded in a trigonal planar geometry to one C(17), one C(18), and one C(20) atom. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(10) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(14) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(17) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(17) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(17) atom. In the tenth H site, H(13) is bonded in a single-bond geometry to one C(20) atom. In the eleventh H site, H(14) is bonded in a single-bond geometry to one C(20) atom. In the twelfth H site, H(15) is bonded in a single-bond geometry to one C(20) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Pb(1) and one C(2) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Pb(2) and one C(9) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Pb(1) and one C(9) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Pb(1) and one C(12) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one C(12) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one Pb(2) and one C(2) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Pb(2) and one C(16) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one Pb(2) and one C(16) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one Pb(1) and one C(18) atom. Linkers: 2 [O]C(=O)c1cc(C([O])=O)cc(-c2cc(C([O])=O)cc(C([O])=O)c2)c1. Metal clusters: 4 [Pb]. The MOF has largest included sphere 5.39 A, density 2.27 g/cm3, surface area 2556.70 m2/g, accessible volume 0.15 cm3/g