Materials Data on Cr2AsSe by Materials Project
Cr2AsSe crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Cr+2.50+ is bonded in a 7-coordinate geometry to one Cr+2.50+, three equivalent As3-, and three equivalent Se2- atoms. The Cr–Cr bond length is 2.22 Å. All Cr–As bond lengths are 2.50 Å. All Cr–Se bond lengths are 2.60 Å. As3- is bonded in a 6-coordinate geometry to six equivalent Cr+2.50+ atoms. Se2- is bonded in a 6-coordinate geometry to six equivalent Cr+2.50+ atoms.