Si2Yb
Koleshko, V.M.Belitsky, V.F.Khodin, A.A.
Thin Solid Films (1986) 141, 277-285
a=3.771Å b=3.771Å c=4.098Å
α=90° β=90° γ=120°
HoSi2
a=3.816Å b=3.816Å c=4.107Å
ScSi2
a=3.66Å b=3.66Å c=3.87Å