Mn3P6H44(C12O11)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(11), one O(2), one O(3), one O(5), and two equivalent O(8) atoms to form distorted MnO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one P(1)CO3 tetrahedra,  a cornercorner with one P(3)CO3 tetrahedra, corners with two equivalent P(2)CO3 tetrahedra, and  an edgeedge with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 64°. The Mn(1)-O(11) bond length is 2.10 Å. The Mn(1)-O(2) bond length is 2.38 Å. The Mn(1)-O(3) bond length is 2.17 Å. The Mn(1)-O(5) bond length is 2.11 Å. There is one shorter (2.11 Å) and one longer (2.40 Å) Mn(1)-O(8) bond length. In the second Mn site, Mn(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent P(1)CO3 tetrahedra, and corners with two equivalent P(2)CO3 tetrahedra. The corner-sharing octahedral tilt angles are 64°. Both Mn(2)-O(1) bond lengths are 2.23 Å. Both Mn(2)-O(2) bond lengths are 2.27 Å. Both Mn(2)-O(6) bond lengths are 2.06 Å. There are twelve 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 C(7) atom. The C(1)-C(2) bond length is 1.41 Å. The C(1)-C(6) bond length is 1.41 Å. The C(1)-C(7) bond length is 1.51 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(8) atom. The C(2)-C(3) bond length is 1.41 Å. The C(2)-C(8) bond length is 1.50 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(9) atom. The C(3)-C(4) bond length is 1.41 Å. The C(3)-C(9) bond length is 1.51 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(10), one C(3), and one C(5) atom. The C(4)-C(10) bond length is 1.51 Å. The C(4)-C(5) bond length is 1.41 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(11), one C(4), and one C(6) atom. The C(5)-C(11) bond length is 1.51 Å. The C(5)-C(6) bond length is 1.41 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(1), one C(12), and one C(5) atom. The C(6)-C(12) bond length is 1.51 Å. In the seventh C site, C(7) is bonded in a distorted water-like geometry to one C(1), one P(1), one H(8), and one H(9) atom. The C(7)-P(1) bond length is 1.83 Å. The C(7)-H(8) bond length is 1.10 Å. The C(7)-H(9) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted trigonal non-coplanar geometry to one C(2), one H(10), one H(11), and one H(12) atom. The C(8)-H(10) bond length is 1.09 Å. The C(8)-H(11) bond length is 1.10 Å. The C(8)-H(12) bond length is 1.10 Å. In the ninth C site, C(9) is bonded in a distorted water-like geometry to one C(3), one P(2), one H(13), and one H(14) atom. The C(9)-P(2) bond length is 1.82 Å. The C(9)-H(13) bond length is 1.10 Å. The C(9)-H(14) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted trigonal non-coplanar geometry to one C(4), one H(15), one H(16), and one H(17) atom. The C(10)-H(15) bond length is 1.10 Å. The C(10)-H(16) bond length is 1.10 Å. The C(10)-H(17) bond length is 1.10 Å. In the eleventh C site, C(11) is bonded in a distorted water-like geometry to one C(5), one P(3), one H(18), and one H(19) atom. The C(11)-P(3) bond length is 1.82 Å. The C(11)-H(18) bond length is 1.10 Å. The C(11)-H(19) bond length is 1.10 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal non-coplanar geometry to one C(6), one H(20), one H(21), and one H(22) atom. The C(12)-H(20) bond length is 1.09 Å. The C(12)-H(21) bond length is 1.09 Å. The C(12)-H(22) bond length is 1.10 Å. There are three inequivalent P sites. In the first P site, P(1) is bonded to one C(7), one O(1), one O(4), and one O(5) atom to form PCO3 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra and  a cornercorner with one Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-50°. The P(1)-O(1) bond length is 1.53 Å. The P(1)-O(4) bond length is 1.58 Å. The P(1)-O(5) bond length is 1.54 Å. In the second P site, P(2) is bonded to one C(9), one O(6), one O(7), and one O(8) atom to form PCO3 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra and corners with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-56°. The P(2)-O(6) bond length is 1.51 Å. The P(2)-O(7) bond length is 1.58 Å. The P(2)-O(8) bond length is 1.55 Å. In the third P site, P(3) is bonded to one C(11), one O(10), one O(11), and one O(9) atom to form PCO3 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 40°. The P(3)-O(10) bond length is 1.53 Å. The P(3)-O(11) bond length is 1.53 Å. The P(3)-O(9) bond length is 1.59 Å. There are twenty-two inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(2) and one O(5) atom. The H(1)-O(2) bond length is 1.01 Å. The H(1)-O(5) bond length is 1.68 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. The H(2)-O(2) bond length is 0.97 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(3) atom. The H(3)-O(3) bond length is 0.98 Å. In the fourth H site, H(4) is bonded in a distorted linear geometry to one O(1) and one O(3) atom. The H(4)-O(1) bond length is 1.60 Å. The H(4)-O(3) bond length is 1.01 Å. In the fifth H site, H(5) is bonded in a distorted single-bond geometry to one O(10) and one O(4) atom. The H(5)-O(10) bond length is 1.68 Å. The H(5)-O(4) bond length is 1.01 Å. In the sixth H site, H(6) is bonded in a distorted linear geometry to one O(11) and one O(7) atom. The H(6)-O(11) bond length is 1.62 Å. The H(6)-O(7) bond length is 1.01 Å. In the seventh H site, H(7) is bonded in a linear geometry to one O(10) and one O(9) atom. The H(7)-O(10) bond length is 1.50 Å. The H(7)-O(9) bond length is 1.04 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(7) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(7) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(8) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(8) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(8) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(9) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(9) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one C(10) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one C(10) atom. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one C(10) atom. In the eighteenth H site, H(18) is bonded in a single-bond geometry to one C(11) atom. In the nineteenth H site, H(19) is bonded in a single-bond geometry to one C(11) atom. In the twentieth H site, H(20) is bonded in a single-bond geometry to one C(12) atom. In the twenty-first H site, H(21) is bonded in a single-bond geometry to one C(12) atom. In the twenty-second H site, H(22) is bonded in a single-bond geometry to one C(12) atom. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mn(2), one P(1), and one H(4) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Mn(1), one Mn(2), one H(1), and one H(2) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Mn(1), one H(3), and one H(4) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one P(1) and one H(5) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Mn(1), one P(1), and one H(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one P(2) and one H(6) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to two equivalent Mn(1) and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one P(3) and one H(7) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one P(3), one H(5), and one H(7) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one P(3), and one H(6) atom. Linkers: 2 Cc1c(CP([O])(=O)O)c(C)c(CP([O])(=O)O)c(C)c1CP([O])(=O)O. Metal clusters: 3 [Mn]. The MOF has largest included sphere 2.53 A, density 1.81 g/cm3, surface area 3392.15 m2/g, accessible volume 0.13 cm3/g