Al2CP3H2O14 crystallizes in the triclinic P-1 space group. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(10), one O(4), one O(6), and one O(8) atom to form AlO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The Al(1)-O(10) bond length is 1.75 Å. The Al(1)-O(4) bond length is 1.72 Å. The Al(1)-O(6) bond length is 1.72 Å. The Al(1)-O(8) bond length is 1.73 Å. In the second Al site, Al(2) is bonded to one O(1), one O(13), one O(14), one O(2), one O(7), and one O(9) atom to form AlO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. The Al(2)-O(1) bond length is 1.86 Å. The Al(2)-O(13) bond length is 2.04 Å. The Al(2)-O(14) bond length is 2.00 Å. The Al(2)-O(2) bond length is 1.82 Å. The Al(2)-O(7) bond length is 1.86 Å. The Al(2)-O(9) bond length is 1.87 Å. C(1) is bonded in a distorted bent 120 degrees geometry to one O(13) and one O(14) atom. The C(1)-O(13) bond length is 1.25 Å. The C(1)-O(14) bond length is 1.26 Å. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share corners with two equivalent Al(2)O6 octahedra and  a cornercorner with one Al(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 15-44°. The P(1)-O(1) bond length is 1.52 Å. The P(1)-O(2) bond length is 1.50 Å. The P(1)-O(3) bond length is 1.56 Å. The P(1)-O(4) bond length is 1.52 Å. In the second P site, P(2) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Al(2)O6 octahedra and corners with two equivalent Al(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 42°. The P(2)-O(5) bond length is 1.51 Å. The P(2)-O(6) bond length is 1.53 Å. The P(2)-O(7) bond length is 1.53 Å. The P(2)-O(8) bond length is 1.54 Å. In the third P site, P(3) is bonded to one O(10), one O(11), one O(12), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Al(2)O6 octahedra and  a cornercorner with one Al(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 47°. The P(3)-O(10) bond length is 1.54 Å. The P(3)-O(11) bond length is 1.57 Å. The P(3)-O(12) bond length is 1.49 Å. The P(3)-O(9) bond length is 1.52 Å. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(3) atom. The H(1)-O(3) bond length is 0.67 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(11) atom. The H(2)-O(11) bond length is 0.79 Å. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Al(2) and one P(1) atom. In the second O site, O(2) is bonded in a linear geometry to one Al(2) and one P(1) atom. In the third O site, O(3) is bonded in a water-like geometry to one P(1) and one H(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Al(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one P(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Al(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Al(2) and one P(2) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Al(1) and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Al(2) and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Al(1) and one P(3) atom. In the eleventh O site, O(11) is bonded in a water-like geometry to one P(3) and one H(2) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one P(3) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one Al(2) and one C(1) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one Al(2) and one C(1) atom. Linkers: 1 [O]C(=O)C([O])=O. Metal clusters: 4 [Al]. The MOF has largest included sphere 4.50 A, density 1.62 g/cm3, surface area 3030.52 m2/g, accessible volume 0.32 cm3/g