Results for “Sr(CuAs)2”

Materials Data on Sr(CuAs)2 by Materials Project

SrCu2As2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sr2+ is bonded in a body-centered cubic geometry to eight equivalent As3- atoms. All Sr–As bond lengths are 3.30 Å. Cu2+ is bonded to four equivalent As3- atoms to form a mixture of corner and edge-sharing CuAs4 tetrahedra. All Cu–As bond lengths are 2.49 Å. As3- is bonded in a 9-coordinate geometry to four equivalent Sr2+, four equivalent Cu2+, and one As3- atom. The As–As bond length is 2.76 Å.