DySi2
Mayer, I.Yanir, E.Shidlovsky, I.
Inorganic Chemistry (1967) 6, 842-844
a=3.83Å b=3.83Å c=4.12Å
α=90° β=90° γ=120°
LuSi2
a=3.75Å b=3.75Å c=4.05Å
Si2Tb
Mayer, I.Shidlovsky, I.Yanir, E.
a=3.84Å b=3.84Å c=4.14Å
Si2Tm
a=3.77Å b=3.77Å c=4.07Å
Si2Y
a=3.83Å b=3.83Å c=4.14Å