LiCo(PtO2)3 crystallizes in the monoclinic Pm space group. Li(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(4), and two equivalent O(5) atoms. Co(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), two equivalent O(5), and two equivalent O(6) atoms. There are three inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a square co-planar geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second Pt site, Pt(2) is bonded to one O(5), one O(6), two equivalent O(3), and two equivalent O(4) atoms to form edge-sharing PtO6 octahedra. In the third Pt site, Pt(3) is bonded in a 5-coordinate geometry to one O(6), two equivalent O(1), and two equivalent O(2) atoms. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Co(1), one Pt(1), and two equivalent Pt(3) atoms to form distorted OLiCoPt3 trigonal bipyramids that share corners with three equivalent O(2)LiPt3 tetrahedra, corners with two equivalent O(1)LiCoPt3 trigonal bipyramids, edges with two equivalent O(6)Co2Pt2 tetrahedra,  an edgeedge with one O(3)CoPt3 trigonal pyramid,  an edgeedge with one O(4)LiPt3 trigonal pyramid, and  a faceface with one O(2)LiPt3 tetrahedra. In the second O site, O(2) is bonded to one Li(1), one Pt(1), and two equivalent Pt(3) atoms to form distorted OLiPt3 tetrahedra that share corners with two equivalent O(6)Co2Pt2 tetrahedra, corners with two equivalent O(2)LiPt3 tetrahedra, corners with three equivalent O(1)LiCoPt3 trigonal bipyramids,  a cornercorner with one O(3)CoPt3 trigonal pyramid, corners with two equivalent O(4)LiPt3 trigonal pyramids, and  a faceface with one O(1)LiCoPt3 trigonal bipyramid. In the third O site, O(3) is bonded to one Co(1), one Pt(1), and two equivalent Pt(2) atoms to form distorted OCoPt3 trigonal pyramids that share  a cornercorner with one O(2)LiPt3 tetrahedra, corners with four equivalent O(6)Co2Pt2 tetrahedra, corners with two equivalent O(3)CoPt3 trigonal pyramids, corners with three equivalent O(4)LiPt3 trigonal pyramids,  an edgeedge with one O(1)LiCoPt3 trigonal bipyramid, and  an edgeedge with one O(4)LiPt3 trigonal pyramid. In the fourth O site, O(4) is bonded to one Li(1), one Pt(1), and two equivalent Pt(2) atoms to form OLiPt3 trigonal pyramids that share corners with two equivalent O(6)Co2Pt2 tetrahedra, corners with two equivalent O(2)LiPt3 tetrahedra, corners with two equivalent O(4)LiPt3 trigonal pyramids, corners with three equivalent O(3)CoPt3 trigonal pyramids,  an edgeedge with one O(1)LiCoPt3 trigonal bipyramid, and  an edgeedge with one O(3)CoPt3 trigonal pyramid. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to two equivalent Li(1), two equivalent Co(1), and one Pt(2) atom. In the sixth O site, O(6) is bonded to two equivalent Co(1), one Pt(2), and one Pt(3) atom to form distorted OCo2Pt2 tetrahedra that share corners with two equivalent O(6)Co2Pt2 tetrahedra, corners with two equivalent O(2)LiPt3 tetrahedra, corners with two equivalent O(4)LiPt3 trigonal pyramids, corners with four equivalent O(3)CoPt3 trigonal pyramids, and edges with two equivalent O(1)LiCoPt3 trigonal bipyramids.
LiCo(PtO2)3 crystallizes in the monoclinic Pm space group. Li(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(4), and two equivalent O(5) atoms. The Li(1)-O(1) bond length is 2.27 Å. The Li(1)-O(2) bond length is 2.35 Å. The Li(1)-O(4) bond length is 1.99 Å. Both Li(1)-O(5) bond lengths are 1.97 Å. Co(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), two equivalent O(5), and two equivalent O(6) atoms. The Co(1)-O(1) bond length is 2.23 Å. The Co(1)-O(3) bond length is 2.53 Å. Both Co(1)-O(5) bond lengths are 2.14 Å. Both Co(1)-O(6) bond lengths are 2.07 Å. There are three inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a square co-planar geometry to one O(1), one O(2), one O(3), and one O(4) atom. The Pt(1)-O(1) bond length is 2.07 Å. The Pt(1)-O(2) bond length is 1.99 Å. The Pt(1)-O(3) bond length is 2.02 Å. The Pt(1)-O(4) bond length is 2.09 Å. In the second Pt site, Pt(2) is bonded to one O(5), one O(6), two equivalent O(3), and two equivalent O(4) atoms to form edge-sharing PtO6 octahedra. The Pt(2)-O(5) bond length is 2.07 Å. The Pt(2)-O(6) bond length is 2.04 Å. Both Pt(2)-O(3) bond lengths are 2.06 Å. Both Pt(2)-O(4) bond lengths are 2.08 Å. In the third Pt site, Pt(3) is bonded in a 5-coordinate geometry to one O(6), two equivalent O(1), and two equivalent O(2) atoms. The Pt(3)-O(6) bond length is 2.28 Å. Both Pt(3)-O(1) bond lengths are 2.07 Å. Both Pt(3)-O(2) bond lengths are 2.04 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Co(1), one Pt(1), and two equivalent Pt(3) atoms to form distorted OLiCoPt3 trigonal bipyramids that share corners with three equivalent O(2)LiPt3 tetrahedra, corners with two equivalent O(1)LiCoPt3 trigonal bipyramids, edges with two equivalent O(6)Co2Pt2 tetrahedra,  an edgeedge with one O(3)CoPt3 trigonal pyramid,  an edgeedge with one O(4)LiPt3 trigonal pyramid, and  a faceface with one O(2)LiPt3 tetrahedra. In the second O site, O(2) is bonded to one Li(1), one Pt(1), and two equivalent Pt(3) atoms to form distorted OLiPt3 tetrahedra that share corners with two equivalent O(6)Co2Pt2 tetrahedra, corners with two equivalent O(2)LiPt3 tetrahedra, corners with three equivalent O(1)LiCoPt3 trigonal bipyramids,  a cornercorner with one O(3)CoPt3 trigonal pyramid, corners with two equivalent O(4)LiPt3 trigonal pyramids, and  a faceface with one O(1)LiCoPt3 trigonal bipyramid. In the third O site, O(3) is bonded to one Co(1), one Pt(1), and two equivalent Pt(2) atoms to form distorted OCoPt3 trigonal pyramids that share  a cornercorner with one O(2)LiPt3 tetrahedra, corners with four equivalent O(6)Co2Pt2 tetrahedra, corners with two equivalent O(3)CoPt3 trigonal pyramids, corners with three equivalent O(4)LiPt3 trigonal pyramids,  an edgeedge with one O(1)LiCoPt3 trigonal bipyramid, and  an edgeedge with one O(4)LiPt3 trigonal pyramid. In the fourth O site, O(4) is bonded to one Li(1), one Pt(1), and two equivalent Pt(2) atoms to form OLiPt3 trigonal pyramids that share corners with two equivalent O(6)Co2Pt2 tetrahedra, corners with two equivalent O(2)LiPt3 tetrahedra, corners with two equivalent O(4)LiPt3 trigonal pyramids, corners with three equivalent O(3)CoPt3 trigonal pyramids,  an edgeedge with one O(1)LiCoPt3 trigonal bipyramid, and  an edgeedge with one O(3)CoPt3 trigonal pyramid. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to two equivalent Li(1), two equivalent Co(1), and one Pt(2) atom. In the sixth O site, O(6) is bonded to two equivalent Co(1), one Pt(2), and one Pt(3) atom to form distorted OCo2Pt2 tetrahedra that share corners with two equivalent O(6)Co2Pt2 tetrahedra, corners with two equivalent O(2)LiPt3 tetrahedra, corners with two equivalent O(4)LiPt3 trigonal pyramids, corners with four equivalent O(3)CoPt3 trigonal pyramids, and edges with two equivalent O(1)LiCoPt3 trigonal bipyramids.