Tc2FeSi is Heusler structured and crystallizes in the cubic Fm-3m space group. Tc(1) is bonded in a distorted body-centered cubic geometry to four equivalent Fe(1) and four equivalent Si(1) atoms. Fe(1) is bonded in a distorted body-centered cubic geometry to eight equivalent Tc(1) and six equivalent Si(1) atoms. Si(1) is bonded in a distorted body-centered cubic geometry to eight equivalent Tc(1) and six equivalent Fe(1) atoms.
Tc2FeSi is Heusler structured and crystallizes in the cubic Fm-3m space group. Tc(1) is bonded in a distorted body-centered cubic geometry to four equivalent Fe(1) and four equivalent Si(1) atoms. All Tc(1)-Fe(1) bond lengths are 2.56 Å. All Tc(1)-Si(1) bond lengths are 2.56 Å. Fe(1) is bonded in a distorted body-centered cubic geometry to eight equivalent Tc(1) and six equivalent Si(1) atoms. All Fe(1)-Si(1) bond lengths are 2.95 Å. Si(1) is bonded in a distorted body-centered cubic geometry to eight equivalent Tc(1) and six equivalent Fe(1) atoms.