Materials Data on Si3Ge by Materials Project
GeSi3 is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ge4+ is bonded in a body-centered cubic geometry to eight equivalent Si+1.33- atoms. All Ge–Si bond lengths are 2.74 Å. There are two inequivalent Si+1.33- sites. In the first Si+1.33- site, Si+1.33- is bonded in a body-centered cubic geometry to four equivalent Ge4+ and four equivalent Si+1.33- atoms. All Si–Si bond lengths are 2.74 Å. In the second Si+1.33- site, Si+1.33- is bonded in a body-centered cubic geometry to eight equivalent Si+1.33- atoms.
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