Materials Data on KTeO5 by Materials Project
KTeO5 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. K is bonded in a square co-planar geometry to four O atoms. All K–O bond lengths are 2.74 Å. Te is bonded to six O atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 1°. There are a spread of Te–O bond distances ranging from 1.84–2.22 Å. There are five inequivalent O sites. In the first O site, O is bonded in a 3-coordinate geometry to two equivalent K and one Te atom. In the second O site, O is bonded in a 3-coordinate geometry to two equivalent K and one Te atom. In the third O site, O is bonded in a distorted bent 120 degrees geometry to one Te and one O atom. The O–O bond length is 1.35 Å. In the fourth O site, O is bonded in a distorted bent 120 degrees geometry to one Te and one O atom. In the fifth O site, O is bonded in a linear geometry to two equivalent Te atoms.