Constants

The constant values used by NAMD are:

Symbol	Value	Name
$K_{\text{b}}$	1.987191 $\times$ 10-3 kcal/(mol$\cdot$K)	Boltzman's constant
$N_{\text{a}}$	6.022045 $\times$ 1023 1/mol	Avogadro's number
C	332.0636 kcal$\cdot$Å/(mol$\cdot$e2)	Coulomb's constant
e	1.6021892 coulombs	electron charge
$\pi$	3.1415926535898	pi