Ac2CuSi is Heusler structured and crystallizes in the cubic Fm-3m space group. Ac(1) is bonded in a body-centered cubic geometry to four equivalent Cu(1) and four equivalent Si(1) atoms. Cu(1) is bonded in a body-centered cubic geometry to eight equivalent Ac(1) atoms. Si(1) is bonded in a body-centered cubic geometry to eight equivalent Ac(1) atoms.
Ac2CuSi is Heusler structured and crystallizes in the cubic Fm-3m space group. Ac(1) is bonded in a body-centered cubic geometry to four equivalent Cu(1) and four equivalent Si(1) atoms. All Ac(1)-Cu(1) bond lengths are 3.32 Å. All Ac(1)-Si(1) bond lengths are 3.32 Å. Cu(1) is bonded in a body-centered cubic geometry to eight equivalent Ac(1) atoms. Si(1) is bonded in a body-centered cubic geometry to eight equivalent Ac(1) atoms.