Antimony
Electron Configuration: 2,8,18,18,5
Enthalpy of Fusion (kJ mol-1): 20.9
Enthalpy of Vaporisation (kJ mol-1): 165.8
Atomic Radii
Atomic Radius 145 pm
Bohr Radius 133 pm
Covalent Radius 138 pm
Van der Waals 0 pm
Oxidation States
Main Sb+3, Sb+5
Other Sb-3
Ionisation Energies (kJ mol-1) show graph
M - M+ 833.7
M+ - M2+ 1794
M2+ - M3+ 2443
M3+ - M4+ 4260
M4+ - M5+ 5400
M5+ - M6+ 10400
M6+ - M7+ 12700
M7+ - M8+ 15200
M8+ - M9+ 17800
M9+ - M10+ 20400
Covalent Bonds (kJ mol-1)
Sb-H 257
Sb-C 215
Sb-O 314
Sb-F 389
Sb-Cl 313
Sb-Sb 299