Atomic Structure of Samarium and Lanthanum
Electron Configuration
[Xe] 4f6 6s2
  
[Xe] 5d2 6s2
  
Crystal Structure
Rhombohedral (RHO)
  
Double Hexagonal Close Packed (DHCP)
  
Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100
  
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
  
Atom
  
  
Radius of an Atom
  
  
Atomic Weight
150.36 amu
  
99+
138.91 amu
  
99+
Atomic Volume
19.95 cm3/mol
  
19
20.73 cm3/mol
  
16
Adjacent Atomic Numbers
  
  
Valence Electron Potential
44.80 (-eV)
  
37
40.71 (-eV)
  
99+
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, 2 π/3
  
Lattice C/A Ratio
Not Available