|
|
| Fluorine | |
| Electron Configuration | 2,7 |
| Electron Configuration | 1s2 2s2 2p5 |
| Ground state | 2P°3/2 |
| Atomic Volume | 17.1 g/cm3 |
| Electronegativity | 3.98 |
| Magnetic ordering | Non-magnetic |
 Thermal Properties |
|
| Enthalpy of Atomization | 79.08 kJ mol-1 @25°C |
| Enthalpy of Fusion | 1.02 kJ mol-1 |
| Enthalpy of Vaporisation | 3.26 kJ mol-1 |
| Heat Capacity | 31.304 J mol-1 K-1 |
| Thermal Conductivity | 27.7 W m-1 K-1 |
| Thermal Expansion | No data. |
| Electrical Properties |
|
| Electrical resistivity | No data. |
| Electrical conductivity | No data. |
| Chemical Properties |
|
| Electrochemical Equivalent | 0.70883 g Ah-1 |
| Valence Electron Potential (-eV) | -10.1 |
| Ionization Potential | |
 First
|
17.422 |
| Second
|
34.97 |
| Third
|
62.707 |
| Incompatibilities | Water, nitric acid (HNO3), oxidizers, organic compounds. |
| Flammability |
|
| Non-flammable gas (extreme oxidizer)
|
| Optical Properties |
|
| Refractive Index (gas) | 1.000195 |
| Energy Levels |
|
| Kα1 (intensity 100) |
0.6768 KeV |
| Atomic Radii |
|
| Empirical
|
50 pm |
| Bohr Radius
|
42 pm |
| Covalent Radius
|
71 pm |
| Van der Waals
|
147 pm |
| Triple covalent
|
53 pm |
| Metallic
|
No data. |
| Ionic Radii (Å) |
||||
| Charge | Coordination | Crystal | Ionic | Key |
| -1 | II | 1.145 | 1.285 | |
| III | 1.16 | 1.3 | ||
| IV | 1.17 | 1.31 | ||
| VI | 1.19 | 1.33 | ||
| 7 | VI | 0.22 | 0.08 | A |
| 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
|
F-1 |
| Other
|
|
Ionisation Energies (kJ mol-1)  |
|
| M - M+ |
1681 |
| M+ - M2+ |
3374 |
| M2+ - M3+ |
6050 |
| M3+ - M4+ |
8408 |
| M4+ - M5+ |
11023 |
| M5+ - M6+ |
15164 |
| M6+ - M7+ |
17867 |
| M7+ - M8+ |
92036 |
| M8+ - M9+ |
106432 |
| Covalent Bonds (kJ mol-1) |
|
| F-F
|
159 |
| F-O
|
190 |
| F-N
|
272 |
| C-F
|
484 |
| Vapour Pressure |
||||||
| P (Pa) | 1 | 10 | 100 | 1K | 10K | 100K |
| T (K) | 38 | 44 | 50 | 58 | 69 | 85 |
| Crystal Structure |
|
| Structure
|
Monoclinic |
 |
a = 550 pm |
| b = 328 pm | |
| c = 728 pm | |
| α = 90° | |
| β = 90° | |
| γ = 90° | |