CoTiO3 crystallizes in the triclinic P-1 space group. Ti(1) is bonded to one O(1), one O(2), and two equivalent O(3) atoms to form TiO4 tetrahedra that share corners with five equivalent Co(1)O4 tetrahedra and  an edgeedge with one Ti(1)O4 tetrahedra. Co(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form distorted CoO4 tetrahedra that share corners with five equivalent Ti(1)O4 tetrahedra and  an edgeedge with one Co(1)O4 tetrahedra. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Ti(1) and two equivalent Co(1) atoms. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Ti(1) and one Co(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to two equivalent Ti(1) and one Co(1) atom.
CoTiO3 crystallizes in the triclinic P-1 space group. Ti(1) is bonded to one O(1), one O(2), and two equivalent O(3) atoms to form TiO4 tetrahedra that share corners with five equivalent Co(1)O4 tetrahedra and  an edgeedge with one Ti(1)O4 tetrahedra. The Ti(1)-O(1) bond length is 1.82 Å. The Ti(1)-O(2) bond length is 1.75 Å. There is one shorter (1.91 Å) and one longer (1.93 Å) Ti(1)-O(3) bond length. Co(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form distorted CoO4 tetrahedra that share corners with five equivalent Ti(1)O4 tetrahedra and  an edgeedge with one Co(1)O4 tetrahedra. The Co(1)-O(2) bond length is 1.91 Å. The Co(1)-O(3) bond length is 1.97 Å. There is one shorter (1.98 Å) and one longer (1.99 Å) Co(1)-O(1) bond length. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Ti(1) and two equivalent Co(1) atoms. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Ti(1) and one Co(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to two equivalent Ti(1) and one Co(1) atom.