ZnAl7(PO4)8 is quartz (alpha)-derived structured and crystallizes in the monoclinic P2_1 space group. Zn(1) is bonded to one O(23), one O(28), one O(30), and one O(31) atom to form ZnO4 tetrahedra that share  a cornercorner with one P(5)O4 tetrahedra,  a cornercorner with one P(6)O4 tetrahedra,  a cornercorner with one P(7)O4 tetrahedra, and  a cornercorner with one P(8)O4 tetrahedra. The Zn(1)-O(23) bond length is 1.77 Å. The Zn(1)-O(28) bond length is 1.74 Å. The Zn(1)-O(30) bond length is 1.75 Å. The Zn(1)-O(31) bond length is 1.72 Å. There are four inequivalent Al sites. In the first Al site, Al(1,5) is bonded to one O(10), one O(13), one O(16), and one O(4) atom to form AlO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The Al(1,5)-O(10) bond length is 1.82 Å. The Al(1,5)-O(13) bond length is 1.78 Å. The Al(1,5)-O(16) bond length is 1.83 Å. The Al(1,5)-O(4) bond length is 1.79 Å. In the second Al site, Al(2,6) is bonded to one O(1), one O(11), one O(19), and one O(8) atom to form AlO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. The Al(2,6)-O(1) bond length is 1.78 Å. The Al(2,6)-O(11) bond length is 1.79 Å. The Al(2,6)-O(19) bond length is 1.77 Å. The Al(2,6)-O(8) bond length is 1.77 Å. In the third Al site, Al(3,7) is bonded to one O(18), one O(5), one O(6), and one O(9) atom to form AlO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and  a cornercorner with one P(7)O4 tetrahedra. The Al(3,7)-O(18) bond length is 1.78 Å. The Al(3,7)-O(5) bond length is 1.74 Å. The Al(3,7)-O(6) bond length is 1.74 Å. The Al(3,7)-O(9) bond length is 1.77 Å. In the fourth Al site, Al(4) is bonded to one O(12), one O(14), one O(15), and one O(7) atom to form AlO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The Al(4)-O(12) bond length is 1.74 Å. The Al(4)-O(14) bond length is 1.75 Å. The Al(4)-O(15) bond length is 1.72 Å. The Al(4)-O(7) bond length is 1.77 Å. There are eight inequivalent P sites. In the first P site, P(1) is bonded to one O(11), one O(14), one O(16), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Al(1,5)O4 tetrahedra;  a cornercorner with one Al(2,6)O4 tetrahedra;  a cornercorner with one Al(3,7)O4 tetrahedra; and  a cornercorner with one Al(4)O4 tetrahedra. The P(1)-O(11) bond length is 1.51 Å. The P(1)-O(14) bond length is 1.50 Å. The P(1)-O(16) bond length is 1.50 Å. The P(1)-O(6) bond length is 1.51 Å. In the second P site, P(2) is bonded to one O(1), one O(15), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Al(1,5)O4 tetrahedra;  a cornercorner with one Al(4)O4 tetrahedra; and corners with two equivalent Al(2,6)O4 tetrahedra. The P(2)-O(1) bond length is 1.51 Å. The P(2)-O(15) bond length is 1.51 Å. The P(2)-O(3) bond length is 1.53 Å. The P(2)-O(4) bond length is 1.51 Å. In the third P site, P(3) is bonded to one O(10), one O(2), one O(7), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Al(1,5)O4 tetrahedra;  a cornercorner with one Al(4)O4 tetrahedra; and corners with two equivalent Al(3,7)O4 tetrahedra. The P(3)-O(10) bond length is 1.51 Å. The P(3)-O(2) bond length is 1.52 Å. The P(3)-O(7) bond length is 1.52 Å. The P(3)-O(9) bond length is 1.52 Å. In the fourth P site, P(4) is bonded to one O(12), one O(13), one O(5), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Al(1,5)O4 tetrahedra;  a cornercorner with one Al(2,6)O4 tetrahedra;  a cornercorner with one Al(3,7)O4 tetrahedra; and  a cornercorner with one Al(4)O4 tetrahedra. The P(4)-O(12) bond length is 1.51 Å. The P(4)-O(13) bond length is 1.49 Å. The P(4)-O(5) bond length is 1.52 Å. The P(4)-O(8) bond length is 1.51 Å. In the fifth P site, P(5) is bonded to one O(22), one O(27), one O(30), and one O(32) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(1)O4 tetrahedra;  a cornercorner with one Al(1,5)O4 tetrahedra;  a cornercorner with one Al(2,6)O4 tetrahedra; and  a cornercorner with one Al(3,7)O4 tetrahedra. The P(5)-O(22) bond length is 1.51 Å. The P(5)-O(27) bond length is 1.51 Å. The P(5)-O(30) bond length is 1.50 Å. The P(5)-O(32) bond length is 1.50 Å. In the sixth P site, P(6) is bonded to one O(17), one O(19), one O(20), and one O(31) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(1)O4 tetrahedra;  a cornercorner with one Al(1,5)O4 tetrahedra; and corners with two equivalent Al(2,6)O4 tetrahedra. The P(6)-O(17) bond length is 1.51 Å. The P(6)-O(19) bond length is 1.53 Å. The P(6)-O(20) bond length is 1.51 Å. The P(6)-O(31) bond length is 1.51 Å. In the seventh P site, P(7) is bonded to one O(18), one O(23), one O(25), and one O(26) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(1)O4 tetrahedra;  a cornercorner with one Al(1,5)O4 tetrahedra; and corners with two equivalent Al(3,7)O4 tetrahedra. The P(7)-O(18) bond length is 1.52 Å. The P(7)-O(23) bond length is 1.52 Å. The P(7)-O(25) bond length is 1.52 Å. The P(7)-O(26) bond length is 1.51 Å. In the eighth P site, P(8) is bonded to one O(21), one O(24), one O(28), and one O(29) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(1)O4 tetrahedra;  a cornercorner with one Al(1,5)O4 tetrahedra;  a cornercorner with one Al(2,6)O4 tetrahedra; and  a cornercorner with one Al(3,7)O4 tetrahedra. The P(8)-O(21) bond length is 1.52 Å. The P(8)-O(24) bond length is 1.51 Å. The P(8)-O(28) bond length is 1.51 Å. The P(8)-O(29) bond length is 1.49 Å. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Al(2,6) and one P(2) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Al(3,7) and one P(3) atom. The O(2)-Al(3,7) bond length is 1.78 Å. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Al(2,6) and one P(2) atom. The O(3)-Al(2,6) bond length is 1.77 Å. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Al(1,5) and one P(2) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Al(3,7) and one P(4) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Al(3,7) and one P(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Al(4) and one P(3) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Al(2,6) and one P(4) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Al(3,7) and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Al(1,5) and one P(3) atom. In the eleventh O site, O(11) is bonded in a bent 150 degrees geometry to one Al(2,6) and one P(1) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Al(4) and one P(4) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to one Al(1,5) and one P(4) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Al(4) and one P(1) atom. In the fifteenth O site, O(15) is bonded in a bent 150 degrees geometry to one Al(4) and one P(2) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Al(1,5) and one P(1) atom. In the seventeenth O site, O(17) is bonded in a bent 150 degrees geometry to one Al(2,6) and one P(6) atom. The O(17)-Al(2,6) bond length is 1.78 Å. In the eighteenth O site, O(18) is bonded in a distorted bent 150 degrees geometry to one Al(3,7) and one P(7) atom. In the nineteenth O site, O(19) is bonded in a distorted bent 150 degrees geometry to one Al(2,6) and one P(6) atom. In the twentieth O site, O(20) is bonded in a bent 150 degrees geometry to one Al(1,5) and one P(6) atom. The O(20)-Al(1,5) bond length is 1.79 Å. In the twenty-first O site, O(21) is bonded in a bent 150 degrees geometry to one Al(3,7) and one P(8) atom. The O(21)-Al(3,7) bond length is 1.74 Å. In the twenty-second O site, O(22) is bonded in a bent 150 degrees geometry to one Al(3,7) and one P(5) atom. The O(22)-Al(3,7) bond length is 1.74 Å. In the twenty-third O site, O(23) is bonded in a bent 150 degrees geometry to one Zn(1) and one P(7) atom. In the twenty-fourth O site, O(24) is bonded in a bent 150 degrees geometry to one Al(2,6) and one P(8) atom. The O(24)-Al(2,6) bond length is 1.77 Å. In the twenty-fifth O site, O(25) is bonded in a bent 150 degrees geometry to one Al(3,7) and one P(7) atom. The O(25)-Al(3,7) bond length is 1.77 Å. In the twenty-sixth O site, O(26) is bonded in a bent 150 degrees geometry to one Al(1,5) and one P(7) atom. The O(26)-Al(1,5) bond length is 1.82 Å. In the twenty-seventh O site, O(27) is bonded in a bent 150 degrees geometry to one Al(2,6) and one P(5) atom. The O(27)-Al(2,6) bond length is 1.79 Å. In the twenty-eighth O site, O(28) is bonded in a bent 150 degrees geometry to one Zn(1) and one P(8) atom. In the twenty-ninth O site, O(29) is bonded in a linear geometry to one Al(1,5) and one P(8) atom. The O(29)-Al(1,5) bond length is 1.78 Å. In the thirtieth O site, O(30) is bonded in a bent 150 degrees geometry to one Zn(1) and one P(5) atom. In the thirty-first O site, O(31) is bonded in a bent 150 degrees geometry to one Zn(1) and one P(6) atom. In the thirty-second O site, O(32) is bonded in a bent 150 degrees geometry to one Al(1,5) and one P(5) atom. The O(32)-Al(1,5) bond length is 1.83 Å. Linkers: 16 [O]P([O])([O])=O. Metal clusters: 14 [Al] ,2 [Zn]. The MOF has largest included sphere 4.95 A, density 1.78 g/cm3, surface area 2607.00 m2/g, accessible volume 0.27 cm3/g