CoZn(PO4)2 crystallizes in the monoclinic P2 space group. There are two inequivalent Co sites. In the first Co site, Co(1,4) is bonded to one O(13), one O(14), one O(3), and one O(4) atom to form CoO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. The Co(1,4)-O(13) bond length is 1.92 Å. The Co(1,4)-O(14) bond length is 1.96 Å. The Co(1,4)-O(3) bond length is 1.93 Å. The Co(1,4)-O(4) bond length is 1.94 Å. In the second Co site, Co(2,3) is bonded to one O(1), one O(26), one O(32), and one O(7) atom to form CoO4 tetrahedra that share  a cornercorner with one P(7)O4 tetrahedra,  a cornercorner with one P(8)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. The Co(2,3)-O(1) bond length is 1.85 Å. The Co(2,3)-O(26) bond length is 1.95 Å. The Co(2,3)-O(32) bond length is 1.82 Å. The Co(2,3)-O(7) bond length is 1.81 Å. There are two inequivalent Zn sites. In the first Zn site, Zn(1,3) is bonded to one O(2), one O(25), one O(31), and one O(8) atom to form ZnO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent P(7)O4 tetrahedra. The Zn(1,3)-O(2) bond length is 1.95 Å. The Zn(1,3)-O(25) bond length is 1.85 Å. The Zn(1,3)-O(31) bond length is 1.81 Å. The Zn(1,3)-O(8) bond length is 1.82 Å. In the second Zn site, Zn(2,4) is bonded to one O(11), one O(12), one O(5), and one O(6) atom to form ZnO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The Zn(2,4)-O(11) bond length is 1.93 Å. The Zn(2,4)-O(12) bond length is 1.94 Å. The Zn(2,4)-O(5) bond length is 1.92 Å. The Zn(2,4)-O(6) bond length is 1.96 Å. There are eight inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(4), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Co(1,4)O4 tetrahedra;  a cornercorner with one Zn(1,3)O4 tetrahedra; and corners with two equivalent Co(2,3)O4 tetrahedra. The P(1)-O(1) bond length is 1.50 Å. The P(1)-O(4) bond length is 1.52 Å. The P(1)-O(7) bond length is 1.47 Å. The P(1)-O(8) bond length is 1.40 Å. In the second P site, P(2) is bonded to one O(2), one O(3), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Co(1,4)O4 tetrahedra;  a cornercorner with one Zn(1,3)O4 tetrahedra; and corners with two equivalent Zn(2,4)O4 tetrahedra. The P(2)-O(2) bond length is 1.56 Å. The P(2)-O(3) bond length is 1.52 Å. The P(2)-O(5) bond length is 1.53 Å. The P(2)-O(6) bond length is 1.53 Å. In the third P site, P(3) is bonded to one O(12), one O(15), one O(16), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(1,3)O4 tetrahedra;  a cornercorner with one Zn(2,4)O4 tetrahedra; and corners with two equivalent Co(2,3)O4 tetrahedra. The P(3)-O(12) bond length is 1.52 Å. The P(3)-O(15) bond length is 1.47 Å. The P(3)-O(16) bond length is 1.40 Å. The P(3)-O(9) bond length is 1.50 Å. In the fourth P site, P(4) is bonded to one O(10), one O(11), one O(13), and one O(14) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(1,3)O4 tetrahedra;  a cornercorner with one Zn(2,4)O4 tetrahedra; and corners with two equivalent Co(1,4)O4 tetrahedra. The P(4)-O(10) bond length is 1.56 Å. The P(4)-O(11) bond length is 1.52 Å. The P(4)-O(13) bond length is 1.53 Å. The P(4)-O(14) bond length is 1.53 Å. In the fifth P site, P(5) is bonded to one O(17), one O(20), one O(23), and one O(24) atom to form PO4 tetrahedra that share  a cornercorner with one Co(1,4)O4 tetrahedra;  a cornercorner with one Co(2,3)O4 tetrahedra; and corners with two equivalent Zn(1,3)O4 tetrahedra. The P(5)-O(17) bond length is 1.50 Å. The P(5)-O(20) bond length is 1.52 Å. The P(5)-O(23) bond length is 1.47 Å. The P(5)-O(24) bond length is 1.40 Å. In the sixth P site, P(6) is bonded to one O(18), one O(19), one O(21), and one O(22) atom to form PO4 tetrahedra that share  a cornercorner with one Co(1,4)O4 tetrahedra;  a cornercorner with one Co(2,3)O4 tetrahedra; and corners with two equivalent Zn(2,4)O4 tetrahedra. The P(6)-O(18) bond length is 1.56 Å. The P(6)-O(19) bond length is 1.52 Å. The P(6)-O(21) bond length is 1.53 Å. The P(6)-O(22) bond length is 1.53 Å. In the seventh P site, P(7) is bonded to one O(25), one O(28), one O(31), and one O(32) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2,3)O4 tetrahedra;  a cornercorner with one Zn(2,4)O4 tetrahedra; and corners with two equivalent Zn(1,3)O4 tetrahedra. The P(7)-O(25) bond length is 1.50 Å. The P(7)-O(28) bond length is 1.52 Å. The P(7)-O(31) bond length is 1.47 Å. The P(7)-O(32) bond length is 1.40 Å. In the eighth P site, P(8) is bonded to one O(26), one O(27), one O(29), and one O(30) atom to form PO4 tetrahedra that share  a cornercorner with one Co(2,3)O4 tetrahedra;  a cornercorner with one Zn(2,4)O4 tetrahedra; and corners with two equivalent Co(1,4)O4 tetrahedra. The P(8)-O(26) bond length is 1.56 Å. The P(8)-O(27) bond length is 1.52 Å. The P(8)-O(29) bond length is 1.53 Å. The P(8)-O(30) bond length is 1.53 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 Co(2,3) and one P(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Zn(1,3) and one P(2) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Co(1,4) and one P(2) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Co(1,4) and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Zn(2,4) and one P(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Zn(2,4) and one P(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Co(2,3) and one P(1) atom. In the eighth O site, O(8) is bonded in a linear geometry to one Zn(1,3) and one P(1) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Co(2,3) and one P(3) atom. The O(9)-Co(2,3) bond length is 1.85 Å. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Zn(1,3) and one P(4) atom. The O(10)-Zn(1,3) bond length is 1.95 Å. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Zn(2,4) and one P(4) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Zn(2,4) and one P(3) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 120 degrees geometry to one Co(1,4) and one P(4) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 120 degrees geometry to one Co(1,4) and one P(4) atom. In the fifteenth O site, O(15) is bonded in a bent 150 degrees geometry to one Co(2,3) and one P(3) atom. The O(15)-Co(2,3) bond length is 1.81 Å. In the sixteenth O site, O(16) is bonded in a linear geometry to one Zn(1,3) and one P(3) atom. The O(16)-Zn(1,3) bond length is 1.82 Å. In the seventeenth O site, O(17) is bonded in a bent 150 degrees geometry to one Zn(1,3) and one P(5) atom. The O(17)-Zn(1,3) bond length is 1.85 Å. In the eighteenth O site, O(18) is bonded in a bent 150 degrees geometry to one Co(2,3) and one P(6) atom. The O(18)-Co(2,3) bond length is 1.95 Å. In the nineteenth O site, O(19) is bonded in a distorted bent 150 degrees geometry to one Co(1,4) and one P(6) atom. The O(19)-Co(1,4) bond length is 1.93 Å. In the twentieth O site, O(20) is bonded in a bent 150 degrees geometry to one Co(1,4) and one P(5) atom. The O(20)-Co(1,4) bond length is 1.94 Å. In the twenty-first O site, O(21) is bonded in a distorted bent 120 degrees geometry to one Zn(2,4) and one P(6) atom. The O(21)-Zn(2,4) bond length is 1.92 Å. In the twenty-second O site, O(22) is bonded in a bent 120 degrees geometry to one Zn(2,4) and one P(6) atom. The O(22)-Zn(2,4) bond length is 1.96 Å. In the twenty-third O site, O(23) is bonded in a bent 150 degrees geometry to one Zn(1,3) and one P(5) atom. The O(23)-Zn(1,3) bond length is 1.81 Å. In the twenty-fourth O site, O(24) is bonded in a linear geometry to one Co(2,3) and one P(5) atom. The O(24)-Co(2,3) bond length is 1.82 Å. In the twenty-fifth O site, O(25) is bonded in a bent 150 degrees geometry to one Zn(1,3) and one P(7) atom. In the twenty-sixth O site, O(26) is bonded in a bent 150 degrees geometry to one Co(2,3) and one P(8) atom. In the twenty-seventh O site, O(27) is bonded in a distorted bent 150 degrees geometry to one Zn(2,4) and one P(8) atom. The O(27)-Zn(2,4) bond length is 1.93 Å. In the twenty-eighth O site, O(28) is bonded in a bent 150 degrees geometry to one Zn(2,4) and one P(7) atom. The O(28)-Zn(2,4) bond length is 1.94 Å. In the twenty-ninth O site, O(29) is bonded in a distorted bent 120 degrees geometry to one Co(1,4) and one P(8) atom. The O(29)-Co(1,4) bond length is 1.92 Å. In the thirtieth O site, O(30) is bonded in a distorted bent 120 degrees geometry to one Co(1,4) and one P(8) atom. The O(30)-Co(1,4) bond length is 1.96 Å. In the thirty-first O site, O(31) is bonded in a bent 150 degrees geometry to one Zn(1,3) and one P(7) atom. In the thirty-second O site, O(32) is bonded in a linear geometry to one Co(2,3) and one P(7) atom. Linkers: 16 [O]P([O])([O])=O. Metal clusters: 8 [Zn] ,8 [Co]. The MOF has largest included sphere 4.12 A, density 2.15 g/cm3, surface area 2451.62 m2/g, accessible volume 0.22 cm3/g