Properties | More Info | Isotopes | Spectra
Compounds | Reactions | Production
Atomic: M.A.C. | Reference
Diagrams: Shell | Atomic Radius | Electron || Images
Xenon
Electrons per shell 2,8,18,18,8
Electron Configuration [Kr] 4d10 5s2 5p6 open electron config
Ground state 1S0
Atomic Volume 37.3 cm3 mol-1
Electronegativity 2.6
Magnetic ordering Non-magnetic
Mass magnetic susceptibility -4.3 x 10-9
Molar magnetic susceptibility -5.65 x 10-10
Speed of sound 1090 m s-1
Thermal Properties
Enthalpy of Atomization No data.
Enthalpy of Fusion 3.1 kJ mol-1
Enthalpy of Vaporisation 12.65 kJ mol-1
Heat Capacity 20.786 J mol-1 K-1
Thermal Conductivity 5.65 W m-1 K-1
Thermal Expansion No data.
Electrical Properties
Electrical resistivity No data.
Electrical conductivity ? 106/cm Ω
Chemical Properties
Ionization Potential  
First 12.13
Second 21.21
Third 32.1
Optical Properties
Refractive Index (gas) 1.000702
Energy Levels
Kα1 (intensity 100) 29.779 KeV
Kα2 (intensity 50) 29.458 KeV
Kβ1 (intensity 20.3) 33.624 KeV
Kβ2 (intensity 6.1) 34.4099 KeV
Kβ3 (intensity 8.7) 33.5574 KeV
Lα1 (intensity 100) 4.1099 KeV
Lβ3 (intensity 10) 4.5118 KeV
Lβ4 (intensity 4) 4.4501 KeV
Lγ2 (intensity 3) 5.2994 KeV
Lγ3 (intensity 2) 3.957 KeV
Ll (intensity 4.5) 3.6399 KeV
Atomic Radii
Empirical 124 pm
Bohr Radius 108 pm
Covalent Radius 130 pm
Van der Waals 216 pm
Triple covalent 122 pm
Metallic No data.
Oxidation States
Main Xe0, Xe+2, Xe+4
Other Xe+6, Xe+8
Ionisation Energies (kJ mol-1) show graph
M - M+ 1170.4
M+ - M2+ 2046
M2+ - M3+ 3097
M3+ - M4+ 4300
M4+ - M5+ 5500
M5+ - M6+ 6600
M6+ - M7+ 9300
M7+ - M8+ 10600
M8+ - M9+ 19800
M9+ - M10+ 2300
Covalent Bonds (kJ mol-1)
Xe-O 84
Vapour Pressure
P (Pa) 1 10 100 1K 10K 100K
T (K) 83 92 103 117 137 165
Crystal Structure
Structure Cubic close packed
a = 620.23 pm
b = 620.23 pm
c = 620.23 pm
α = 90°
β = 90°
γ = 90°