Struktur atom saka thorium lan Samarium
Konfigurasi elektron
[Rn] 6D 2 7s 2
[Xe] 4F 6 6s 2
Struktur Crystal
Face tengah kubik (FCC)
Rhombohedral (RHO)
Crystal pola
FCC-Crystal-Structure-of-Thorium.jpg#100
RHO-Crystal-Structure-of-Samarium.jpg#100
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya