| π |
π |
3.14159 26535 89793 23846 ... |
|
| e (math) |
e |
2.71828 18284 59045 23536 ... |
| |
| Speed of light (vacium) |
c |
2.99792458 ·108 m/s |
| Gravitational constant |
C |
6.673 ·10-11 N m2/kg2 |
| Acceleration constant |
g0 |
9.80665 m/s2 |
| Universal unity of mass |
u |
1.6605402 ·10-27 kg |
| Avogadro number |
NA |
6.0221367 ·1023 mol-1 |
|
| General gas constant |
R |
8.3143 J/mol K |
= NAkB |
| Permeability constant of vacuum |
μ0 |
1.2566370614... ·10-6 Vs/Am |
= 4π ·10-7 |
| Permittivity constant of vacuum |
ε0 |
8.854187817... ·10-12 As/Vm |
= 1/(μ0c2) |
| Fine structure constant |
α |
7.29735308 ·10-3 |
= e22π/hc |
| Elementary charge |
e |
1.60217733 ·10-19 As |
(e/m0 = 1.75881962 ·1011 As/kg) |
| Electron rest mass |
me |
9.1093897 ·10-31 kg |
= 5.48659 ·10-4 u |
| Electron radius |
re |
2.81792 ·10-15 m |
| Electron g factor |
ge |
2.002319304386 |
| Electron gyromagnetic ratio |
γe |
1.7608592 ·1011 /sT |
= 2πgeμB/h |
| Electron magnetic moment |
μe |
-9.2847701 ·10-24 J/T |
= -ge·μB/2 |
| Proton rest mass |
mp |
1.6726231 ·10-27 kg |
= 1.0072859 u |
| Proton g factor (Lande factor) |
gH |
5.585 |
| Proton gyromagnetic ratio (H2O) |
γp |
2.67515255 ·108 /sT |
| Proton magnetic moment |
μp |
1.41060761e ·10-26 J/T |
| Neutron rest mass |
mn |
1.6749286 ·10-27 kg |
= 1.00867 u |
| Bohr radius (hydrogen) |
a0 |
5.29177249 ·10-11 m |
|
| Bohr magneton |
μB |
9.2740154 ·10-24 Am2 |
= eh/me4π |
|
μN(uclear) |
5.0507866 ·10-27 Am2 |
= eh/mp4π |
| Botlzmann constant |
k |
1.380658 ·10-23 J/K |
= R/NA |
| Compton electron wavelength |
λc |
2.42631058 ·10-12 m |
= h/mec |
| Compton proton wavelength |
λcp |
1.32140 ·10-15 m |
= h/mpc |
| Faraday constant |
F |
96485.309 As/mol |
= NA·e |
| Planck's constant |
h |
6.6260755 ·10-34 Js |
(h = h/2π = 1.05457266 ·10-34 Js) |
| Stefan-boltzmann constant |
σ |
5.67051 ·10-8 W/m2K4 |
| Rydberg constant |
R∞ |
10973731.534 m-1 |
(RH = 10967758 m-1) |