Materials Data on Tl2CuTe2 by Materials Project
CuTl2Te2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Cu2+ is bonded in a body-centered cubic geometry to eight equivalent Te2- atoms. All Cu–Te bond lengths are 3.41 Å. Tl1+ is bonded in a 8-coordinate geometry to four equivalent Tl1+ and four equivalent Te2- atoms. All Tl–Tl bond lengths are 3.09 Å. All Tl–Te bond lengths are 3.39 Å. Te2- is bonded in a 9-coordinate geometry to four equivalent Cu2+, four equivalent Tl1+, and one Te2- atom. The Te–Te bond length is 2.89 Å.