Struktur atom saka Samarium lan neptunium
Konfigurasi elektron
[Xe] 4F 6 6s 2
[Rn] 5F 4 6D 1 7s 2
Struktur Crystal
Rhombohedral (RHO)
Orthorhombic (Orth)
Crystal pola
RHO-Crystal-Structure-of-Samarium.jpg#100
ORTH-Crystal-Structure-of-Neptunium.jpg#100
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya