Table 1.

Fundamental Constants

Parameter	Symbol	Value	Units
Planck’s constant	ħ	6.5836 × 10−16	eV·s
Boltzmann’s constant	kB	8.6174 × 10−5	eV/K
electron rest mass	m0	9.1072 × 10−28	g
electronic charge	e	−4.802 × 10−10	esu
Bohr radius	aB	0.5291 × 10−8	cm
energy associated with 1 Rydberg	e2/2aB	13.6	eV
speed of light	c	2.9979 × 1010	cm/s
wave length associated with 1 eV	[λ0]	1.2396 × 10−4	cm
wave number associated with 1 eV	[k0]	8.0668 × 103	cm−1
dielectric constant in vacuum	ε	8.854 × 10−12	F/m