CoZnPO5 crystallizes in the triclinic P1 space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(2), one O(4), one O(5), one O(7), and one O(9) atom to form CoO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 40-41°. In the second Co site, Co(2) is bonded to one O(1), one O(10), one O(3), one O(6), one O(8), and one O(9) atom to form CoO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 40-41°. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. In the second Zn site, Zn(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(9) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(7), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Co(1)O6 octahedra and corners with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-51°. In the second P site, P(2) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form PO4 tetrahedra that share corners with two equivalent Co(1)O6 octahedra and corners with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-51°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Co(2), one Zn(2), and one P(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Co(1), one Zn(1), one Zn(2), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Co(2), one Zn(1), and one P(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Co(1), one Zn(1), one Zn(2), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Co(1), one Zn(2), and one P(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Co(2), one Zn(2), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted T-shaped geometry to one Co(1), one Zn(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Co(2), one Zn(1), and one P(1) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one Zn(2) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one Zn(1) atom.
CoZnPO5 crystallizes in the triclinic P1 space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(2), one O(4), one O(5), one O(7), and one O(9) atom to form CoO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 40-41°. The Co(1)-O(10) bond length is 1.86 Å. The Co(1)-O(2) bond length is 2.14 Å. The Co(1)-O(4) bond length is 2.13 Å. The Co(1)-O(5) bond length is 2.10 Å. The Co(1)-O(7) bond length is 2.11 Å. The Co(1)-O(9) bond length is 1.85 Å. In the second Co site, Co(2) is bonded to one O(1), one O(10), one O(3), one O(6), one O(8), and one O(9) atom to form CoO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 40-41°. The Co(2)-O(1) bond length is 2.11 Å. The Co(2)-O(10) bond length is 1.87 Å. The Co(2)-O(3) bond length is 2.11 Å. The Co(2)-O(6) bond length is 2.10 Å. The Co(2)-O(8) bond length is 2.10 Å. The Co(2)-O(9) bond length is 1.88 Å. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. The Zn(1)-O(10) bond length is 1.96 Å. The Zn(1)-O(2) bond length is 2.20 Å. The Zn(1)-O(3) bond length is 2.15 Å. The Zn(1)-O(4) bond length is 2.56 Å. The Zn(1)-O(7) bond length is 2.13 Å. The Zn(1)-O(8) bond length is 2.11 Å. In the second Zn site, Zn(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(9) atom. The Zn(2)-O(1) bond length is 2.16 Å. The Zn(2)-O(2) bond length is 2.54 Å. The Zn(2)-O(4) bond length is 2.20 Å. The Zn(2)-O(5) bond length is 2.15 Å. The Zn(2)-O(6) bond length is 2.09 Å. The Zn(2)-O(9) bond length is 1.96 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(7), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Co(1)O6 octahedra and corners with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-51°. The P(1)-O(1) bond length is 1.55 Å. The P(1)-O(2) bond length is 1.57 Å. The P(1)-O(7) bond length is 1.55 Å. The P(1)-O(8) bond length is 1.57 Å. In the second P site, P(2) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form PO4 tetrahedra that share corners with two equivalent Co(1)O6 octahedra and corners with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-51°. The P(2)-O(3) bond length is 1.55 Å. The P(2)-O(4) bond length is 1.57 Å. The P(2)-O(5) bond length is 1.55 Å. The P(2)-O(6) bond length is 1.57 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Co(2), one Zn(2), and one P(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Co(1), one Zn(1), one Zn(2), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Co(2), one Zn(1), and one P(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Co(1), one Zn(1), one Zn(2), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Co(1), one Zn(2), and one P(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Co(2), one Zn(2), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted T-shaped geometry to one Co(1), one Zn(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Co(2), one Zn(1), and one P(1) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one Zn(2) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(2), and one Zn(1) atom.