Zn3(PO3)4 crystallizes in the monoclinic P2_1/c space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a tetrahedral geometry to one O(1), one O(3), one O(4), and one O(7) atom. The Zn(1)-O(1) bond length is 1.95 Å. The Zn(1)-O(3) bond length is 1.94 Å. The Zn(1)-O(4) bond length is 1.92 Å. The Zn(1)-O(7) bond length is 1.95 Å. In the second Zn site, Zn(2) is bonded in a tetrahedral geometry to one O(10), one O(2), one O(5), and one O(6) atom. The Zn(2)-O(10) bond length is 1.94 Å. The Zn(2)-O(2) bond length is 1.95 Å. The Zn(2)-O(5) bond length is 1.92 Å. The Zn(2)-O(6) bond length is 1.93 Å. In the third Zn site, Zn(3) is bonded in a tetrahedral geometry to one O(11), one O(12), one O(8), and one O(9) atom. The Zn(3)-O(11) bond length is 1.93 Å. The Zn(3)-O(12) bond length is 1.95 Å. The Zn(3)-O(8) bond length is 1.92 Å. The Zn(3)-O(9) bond length is 1.97 Å. There are four inequivalent P sites. In the first P site, P(1) is bonded in a trigonal non-coplanar geometry to one O(1), one O(12), and one O(2) atom. The P(1)-O(1) bond length is 1.49 Å. The P(1)-O(12) bond length is 1.51 Å. The P(1)-O(2) bond length is 1.50 Å. In the second P site, P(2) is bonded in a trigonal non-coplanar geometry to one O(3), one O(4), and one O(5) atom. The P(2)-O(3) bond length is 1.52 Å. The P(2)-O(4) bond length is 1.52 Å. The P(2)-O(5) bond length is 1.48 Å. In the third P site, P(3) is bonded in a trigonal non-coplanar geometry to one O(6), one O(7), and one O(8) atom. The P(3)-O(6) bond length is 1.52 Å. The P(3)-O(7) bond length is 1.50 Å. The P(3)-O(8) bond length is 1.52 Å. In the fourth P site, P(4) is bonded in a trigonal non-coplanar geometry to one O(10), one O(11), and one O(9) atom. The P(4)-O(10) bond length is 1.53 Å. The P(4)-O(11) bond length is 1.50 Å. The P(4)-O(9) bond length is 1.50 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one P(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(2) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one P(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(2) 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(3) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Zn(3) and one P(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Zn(3) and one P(4) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Zn(2) and one P(4) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Zn(3) and one P(4) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Zn(3) and one P(1) atom. Linkers: 16 [O]P([O])[O]. Metal clusters: 12 [Zn]. The MOF has largest included sphere 5.39 A, density 1.33 g/cm3, surface area 3027.04 m2/g, accessible volume 0.54 cm3/g