LiZn(CoO2)4 crystallizes in the monoclinic Cm space group. Li(1) is bonded to one O(1), one O(4), one O(7), and two equivalent O(3) atoms to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Co(3)O6 octahedra, corners with two equivalent Li(1)O5 trigonal bipyramids, and edges with two equivalent Zn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 48°. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded in a 6-coordinate geometry to one O(2), one O(7), two equivalent O(4), and two equivalent O(5) atoms. In the second Co site, Co(2) is bonded in a distorted rectangular see-saw-like geometry to one O(4), one O(8), and two equivalent O(3) atoms. In the third Co site, Co(3) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(8) atoms to form CoO6 octahedra that share  a cornercorner with one Li(1)O5 trigonal bipyramid, corners with two equivalent Zn(1)O5 trigonal bipyramids, and edges with two equivalent Co(3)O6 octahedra. In the fourth Co site, Co(4) is bonded in a 5-coordinate geometry to one O(5), two equivalent O(1), and two equivalent O(7) atoms. Zn(1) is bonded to one O(3), two equivalent O(6), and two equivalent O(7) atoms to form distorted ZnO5 trigonal bipyramids that share corners with two equivalent Co(3)O6 octahedra, edges with two equivalent Li(1)O5 trigonal bipyramids, and edges with two equivalent Zn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 56°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(1), one Co(3), and two equivalent Co(4) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(1) and two equivalent Co(3) atoms. In the third O site, O(3) is bonded to two equivalent Li(1), two equivalent Co(2), and one Zn(1) atom to form distorted OLi2ZnCo2 square pyramids that share edges with two equivalent O(7)LiZn2Co3 octahedra, edges with two equivalent O(3)Li2ZnCo2 square pyramids, and edges with two equivalent O(4)LiCo3 tetrahedra. In the fourth O site, O(4) is bonded to one Li(1), one Co(2), and two equivalent Co(1) atoms to form OLiCo3 tetrahedra that share corners with three equivalent O(7)LiZn2Co3 octahedra, corners with two equivalent O(4)LiCo3 tetrahedra, and edges with two equivalent O(3)Li2ZnCo2 square pyramids. The corner-sharing octahedral tilt angles range from 1-88°. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Co(4) and two equivalent Co(1) atoms. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Co(3) and two equivalent Zn(1) atoms. In the seventh O site, O(7) is bonded to one Li(1), one Co(1), two equivalent Co(4), and two equivalent Zn(1) atoms to form distorted OLiZn2Co3 octahedra that share corners with three equivalent O(4)LiCo3 tetrahedra, edges with two equivalent O(7)LiZn2Co3 octahedra, and edges with two equivalent O(3)Li2ZnCo2 square pyramids. In the eighth O site, O(8) is bonded in a trigonal non-coplanar geometry to one Co(2) and two equivalent Co(3) atoms.
LiZn(CoO2)4 crystallizes in the monoclinic Cm space group. Li(1) is bonded to one O(1), one O(4), one O(7), and two equivalent O(3) atoms to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Co(3)O6 octahedra, corners with two equivalent Li(1)O5 trigonal bipyramids, and edges with two equivalent Zn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 48°. The Li(1)-O(1) bond length is 1.94 Å. The Li(1)-O(4) bond length is 1.97 Å. The Li(1)-O(7) bond length is 2.03 Å. Both Li(1)-O(3) bond lengths are 2.10 Å. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded in a 6-coordinate geometry to one O(2), one O(7), two equivalent O(4), and two equivalent O(5) atoms. The Co(1)-O(2) bond length is 2.03 Å. The Co(1)-O(7) bond length is 2.51 Å. Both Co(1)-O(4) bond lengths are 1.92 Å. Both Co(1)-O(5) bond lengths are 1.92 Å. In the second Co site, Co(2) is bonded in a distorted rectangular see-saw-like geometry to one O(4), one O(8), and two equivalent O(3) atoms. The Co(2)-O(4) bond length is 1.96 Å. The Co(2)-O(8) bond length is 1.80 Å. Both Co(2)-O(3) bond lengths are 1.99 Å. In the third Co site, Co(3) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(8) atoms to form CoO6 octahedra that share  a cornercorner with one Li(1)O5 trigonal bipyramid, corners with two equivalent Zn(1)O5 trigonal bipyramids, and edges with two equivalent Co(3)O6 octahedra. The Co(3)-O(1) bond length is 1.86 Å. The Co(3)-O(6) bond length is 1.88 Å. Both Co(3)-O(2) bond lengths are 1.87 Å. Both Co(3)-O(8) bond lengths are 1.94 Å. In the fourth Co site, Co(4) is bonded in a 5-coordinate geometry to one O(5), two equivalent O(1), and two equivalent O(7) atoms. The Co(4)-O(5) bond length is 1.81 Å. Both Co(4)-O(1) bond lengths are 1.95 Å. Both Co(4)-O(7) bond lengths are 2.03 Å. Zn(1) is bonded to one O(3), two equivalent O(6), and two equivalent O(7) atoms to form distorted ZnO5 trigonal bipyramids that share corners with two equivalent Co(3)O6 octahedra, edges with two equivalent Li(1)O5 trigonal bipyramids, and edges with two equivalent Zn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 56°. The Zn(1)-O(3) bond length is 2.19 Å. Both Zn(1)-O(6) bond lengths are 2.01 Å. Both Zn(1)-O(7) bond lengths are 2.19 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(1), one Co(3), and two equivalent Co(4) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(1) and two equivalent Co(3) atoms. In the third O site, O(3) is bonded to two equivalent Li(1), two equivalent Co(2), and one Zn(1) atom to form distorted OLi2ZnCo2 square pyramids that share edges with two equivalent O(7)LiZn2Co3 octahedra, edges with two equivalent O(3)Li2ZnCo2 square pyramids, and edges with two equivalent O(4)LiCo3 tetrahedra. In the fourth O site, O(4) is bonded to one Li(1), one Co(2), and two equivalent Co(1) atoms to form OLiCo3 tetrahedra that share corners with three equivalent O(7)LiZn2Co3 octahedra, corners with two equivalent O(4)LiCo3 tetrahedra, and edges with two equivalent O(3)Li2ZnCo2 square pyramids. The corner-sharing octahedral tilt angles range from 1-88°. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Co(4) and two equivalent Co(1) atoms. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Co(3) and two equivalent Zn(1) atoms. In the seventh O site, O(7) is bonded to one Li(1), one Co(1), two equivalent Co(4), and two equivalent Zn(1) atoms to form distorted OLiZn2Co3 octahedra that share corners with three equivalent O(4)LiCo3 tetrahedra, edges with two equivalent O(7)LiZn2Co3 octahedra, and edges with two equivalent O(3)Li2ZnCo2 square pyramids. In the eighth O site, O(8) is bonded in a trigonal non-coplanar geometry to one Co(2) and two equivalent Co(3) atoms.