Struktur atom saka krom lan prometium
Konfigurasi elektron
[Ar] 3d 5 4s 1
[Xe] 4F 5 6s 2
Struktur Crystal
Body tengah kubik (Bcc)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
BCC-Crystal-Structure-.jpg#100
DHCP-Crystal-Structure-of-Promethium.jpg#100
Constant pola
ora Sumadhiya
pola Angles
π/2, π/2, π/2
Unknown
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya