Struktur atom dari Samarium dan praseodymium
Konfigurasi elektron
[Xe] 4f6 6s2
[Xe] 4f3 6s2
Struktur kristal
Rhombohedral (RHO)
Hexagonal Tutup Dikemas (HCP)
kristal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100
HCP-Crystal-Structure-of-Praseodymium.jpg#100
kisi Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3