sodium iodide; 18-crown-6 ether; tetra-(n-butyl)ammonium iodide T=85°C; 15 h;

in gaseous matrix T=160.1 - 196.8°C; reversible retro-Diels-Alder reaction; equilibrium const. and rate, activation parameter ( log A, Ea, ΔH(excit.), Σ(excit.), ΔG(excit.)), equilibrium data ( ΔH0, ΔS0, ΔG0); Thermodynamic dataEquilibrium constantKinetics;

T=240.5°C; Kinetics;

T=240.5°C; Kinetics;

in gaseous matrix T=160.1 - 196.8°C; reversible retro-Diels-Alder reaction; equilibrium const. and rate, activation parameter ( log A, Ea, ΔH(excit.), Σ(excit.), ΔG(excit.)), equilibrium data ( ΔH0, ΔS0, ΔG0); Thermodynamic dataEquilibrium constantKinetics;