Materials Data on TeI by Materials Project

TeI crystallizes in the triclinic P-1 space group. The structure is one-dimensional and consists of two TeI ribbons oriented in the (1, 0, 0) direction. there are four inequivalent Te sites. In the first Te site, Te is bonded in a distorted single-bond geometry to two Te and one I atom. There are one shorter (2.87 Å) and one longer (2.89 Å) Te–Te bond lengths. The Te–I bond length is 2.78 Å. In the second Te site, Te is bonded in a rectangular see-saw-like geometry to two Te and two I atoms. The Te–Te bond length is 2.87 Å. There are one shorter (3.23 Å) and one longer (3.26 Å) Te–I bond lengths. In the third Te site, Te is bonded in a distorted single-bond geometry to two Te and one I atom. The Te–Te bond length is 2.89 Å. The Te–I bond length is 2.78 Å. In the fourth Te site, Te is bonded in a rectangular see-saw-like geometry to two Te and two I atoms. There are one shorter (3.18 Å) and one longer (3.20 Å) Te–I bond lengths. There are four inequivalent I sites. In the first I site, I is bonded in a single-bond geometry to one Te atom. In the second I site, I is bonded in a single-bond geometry to one Te atom. In the third I site, I is bonded in an L-shaped geometry to two Te atoms. In the fourth I site, I is bonded in an L-shaped geometry to two Te atoms.