The ultraviolet photodissociation of Cl[sub 2]O at 235 nm and of HOCl at 235 and 266 nm.

Investigates the primary photochemistry of gas phase dichlorine monoxide (Cl[sub 2]O) and of hypochlorous acid after excitation at 235 nanometers. Angular distributions by chlorine spin orbits; Description of the ground state atom partnering by ClO fragments; Rationalization of findings in terms of model potential energy surface.