Materials Data on CsK2As by Materials Project
CsK2As is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Cs1+ is bonded in a 8-coordinate geometry to eight equivalent K1+ and six equivalent As3- atoms. All Cs–K bond lengths are 3.65 Å. All Cs–As bond lengths are 4.21 Å. K1+ is bonded in a distorted body-centered cubic geometry to four equivalent Cs1+ and four equivalent As3- atoms. All K–As bond lengths are 3.65 Å. As3- is bonded in a body-centered cubic geometry to six equivalent Cs1+ and eight equivalent K1+ atoms.
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