Al3P3HO14 crystallizes in the orthorhombic Pbca space group. There are three inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(10), one O(13), one O(14), one O(2), one O(6), and one O(8) atom to form AlO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  a cornercorner with one Al(2)O5 trigonal bipyramid, and  a cornercorner with one Al(3)O5 trigonal bipyramid. The Al(1)-O(10) bond length is 1.88 Å. The Al(1)-O(13) bond length is 1.87 Å. The Al(1)-O(14) bond length is 1.89 Å. The Al(1)-O(2) bond length is 1.89 Å. The Al(1)-O(6) bond length is 1.88 Å. The Al(1)-O(8) bond length is 1.89 Å. In the second Al site, Al(2) is bonded to one O(1), one O(14), one O(4), one O(5), and one O(9) atom to form AlO5 trigonal bipyramids that share  a cornercorner with one Al(1)O6 octahedra,  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 corner-sharing octahedral tilt angles are 54°. The Al(2)-O(1) bond length is 1.92 Å. The Al(2)-O(14) bond length is 1.90 Å. The Al(2)-O(4) bond length is 1.76 Å. The Al(2)-O(5) bond length is 1.79 Å. The Al(2)-O(9) bond length is 1.78 Å. In the third Al site, Al(3) is bonded to one O(11), one O(12), one O(13), one O(3), and one O(7) atom to form AlO5 trigonal bipyramids that share  a cornercorner with one Al(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 50°. The Al(3)-O(11) bond length is 1.86 Å. The Al(3)-O(12) bond length is 1.80 Å. The Al(3)-O(13) bond length is 1.90 Å. The Al(3)-O(3) bond length is 1.80 Å. The Al(3)-O(7) bond length is 1.81 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  a cornercorner with one Al(1)O6 octahedra,  a cornercorner with one Al(3)O5 trigonal bipyramid, and corners with two equivalent Al(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 51°. 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 1.54 Å. The P(1)-O(4) bond length is 1.53 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 corners with two equivalent Al(1)O6 octahedra,  a cornercorner with one Al(2)O5 trigonal bipyramid, and  a cornercorner with one Al(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 50-52°. The P(2)-O(5) bond length is 1.54 Å. The P(2)-O(6) bond length is 1.53 Å. The P(2)-O(7) bond length is 1.54 Å. The P(2)-O(8) bond length is 1.52 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(1)O6 octahedra,  a cornercorner with one Al(2)O5 trigonal bipyramid, and corners with two equivalent Al(3)O5 trigonal bipyramids. 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 1.52 Å. The P(3)-O(12) bond length is 1.54 Å. The P(3)-O(9) bond length is 1.54 Å. H(1) is bonded in a single-bond geometry to one O(13) atom. The H(1)-O(13) bond length is 0.91 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 bent 120 degrees geometry to one Al(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Al(3) and one P(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Al(2) and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Al(2) and one P(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Al(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Al(3) and one P(2) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Al(1) and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Al(2) and one P(3) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Al(1) and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Al(3) and one P(3) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Al(3) and one P(3) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Al(1), one Al(3), and one H(1) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one Al(1) and one Al(2) atom. Linkers: 24 [O]P([O])([O])=O ,8 [OH]. Metal clusters: 24 [Al]. The MOF has largest included sphere 4.39 A, density 1.86 g/cm3, surface area 2297.00 m2/g, accessible volume 0.18 cm3/g