Constants and Conversion Factors
Constants
| Avogadro constant, NA |
6.022·1023 mol-1 |
| Faraday constant, F |
96485 C·mol-1 |
| Proton charge, e |
1.602·10-19 C |
| Electron mass, me |
9.11·10-31 kg |
| Planck constant, h |
6.626·10-34 J·s |
| Speed of light, c |
2.998·108m·s-1 |
| Gas constant, R |
8.314 J·mol-1·K-1 |
| Boltzmann constant, k |
1.381·10-23 J·K-1 |
| Atomic mass unit, u |
1.661·10-27 kg |
| Rydberg constant, Rinf |
1.097·107 m-1 |
Conversion Factors
1 cal = 4.184 J
1 eV = 1.602·10-19 J
1 eV/atom = 96.48 kJ/mol
1 eV ~ 2.418·1014 Hz ~
8.065·105 m-1 ~ 1240 nm ~ 11604 K
1 atm = 1.01325 bar = 101325 Pa = 760 torr (Hg mm)
1 kgf/cm2 = 0.98066 bar = 98066 Pa
1 Å (angstrom) =
10-10 m = 0.1 nm
1 Debye = 3.338·10-30 m·C
1 u = 931.5 MeV
