|
|
| Xenon | |
| Electron Configuration | 2,8,18,18,8 |
| Electron Configuration | [Kr] 4d10 5s2 5p6 |
| Ground state | 1S0 |
| Atomic Volume | 37.3 g/cm3 |
| 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 | No data. |
| 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. |
| Ionic Radii (Å) |
||||
| Charge | Coordination | Crystal | Ionic | Key |
| 8 | IV | 0.54 | 0.4 | |
| VI | 0.62 | 0.48 | ||
| R, From r3 vs V plots. |
| C, Calculated from bond length - bond strength equations. |
| E, Estimated. |
| *, Most Reliable. |
| M, From Metallic Oxides. |
| A, Ahrens (1952) Ionic radius. |
| P, Pauling's (1960) Crystal Radius. |
| Oxidation States |
|
| Main
|
Xe0, Xe+2, Xe+4 |
| Other
|
Xe+6, Xe+8 |
Ionisation Energies (kJ mol-1)  |
|
| 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° | |