Struktur atom saka prometium lan Samarium
Konfigurasi elektron
[Xe] 4F 5 6s 2
[Xe] 4F 6 6s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Rhombohedral (RHO)
Crystal pola
DHCP-Crystal-Structure-of-Promethium.jpg#100
RHO-Crystal-Structure-of-Samarium.jpg#100
Constant pola
ora Sumadhiya
pola Angles
Unknown
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya