Zn2P2O11 crystallizes in the tetragonal P4_2bc space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(11), one O(2), one O(3), one O(5), and one O(9) atom. The Zn(1)-O(1) bond length is 2.05 Å. The Zn(1)-O(10) bond length is 1.96 Å. The Zn(1)-O(11) bond length is 2.01 Å. The Zn(1)-O(2) bond length is 1.93 Å. The Zn(1)-O(3) bond length is 1.81 Å. The Zn(1)-O(5) bond length is 1.97 Å. The Zn(1)-O(9) bond length is 1.78 Å. In the second Zn site, Zn(2) is bonded to one O(4), one O(6), one O(7), and one O(8) atom to form ZnO4 tetrahedra that share corners with three equivalent P(2)O4 tetrahedra. The Zn(2)-O(4) bond length is 1.91 Å. The Zn(2)-O(6) bond length is 1.94 Å. The Zn(2)-O(7) bond length is 1.95 Å. The Zn(2)-O(8) bond length is 1.93 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(11), one O(2), one O(3), one O(4), and one O(9) atom. The P(1)-O(1) bond length is 1.43 Å. The P(1)-O(10) bond length is 1.60 Å. The P(1)-O(11) bond length is 1.42 Å. The P(1)-O(2) bond length is 1.62 Å. The P(1)-O(3) bond length is 1.59 Å. The P(1)-O(4) bond length is 1.58 Å. The P(1)-O(9) bond length is 1.66 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 three equivalent Zn(2)O4 tetrahedra. The P(2)-O(5) bond length is 1.51 Å. The P(2)-O(6) bond length is 1.52 Å. The P(2)-O(7) bond length is 1.51 Å. The P(2)-O(8) bond length is 1.53 Å. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Zn(1), one P(1), and one O(9) atom. The O(1)-O(9) bond length is 0.96 Å. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Zn(1) and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Zn(1), one P(1), and one O(11) atom. The O(3)-O(11) bond length is 0.68 Å. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Zn(2) and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Zn(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Zn(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Zn(2) and one P(2) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Zn(2) and one P(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Zn(1), one P(1), and one O(1) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Zn(1) and one P(1) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to one Zn(1), one P(1), and one O(3) atom. Linkers: 8 [O]OP1([O])(O[O])OO1. Metal clusters: 16 [Zn]. The MOF has largest included sphere 3.88 A, density 2.54 g/cm3, surface area 2268.08 m2/g, accessible volume 0.16 cm3/g