IRC_DIRECTION

IRC_DIRECTION = -1 | 1
Default: IRC_DIRECTION = 1 

Description: TI_LAMBDA defines the coupling parameter [math]\displaystyle{ \lambda }[/math] used in Thermodynamic integration with harmonic reference. The value of [math]\displaystyle{ \lambda }[/math] must be from the inverval [math]\displaystyle{ \langle 0, 1 \rangle }[/math].