A Photoelectron Photoion Coincidence Study of the Vinyl Bromide and Tribromoethane Ion Dissociation Dynamics: Heats of Formation of C <sub/>2</sub> H <sub/>3</sub><sup>+</sup> , C <sub/>2</sub> H <sub/>3</sub> Br, C <sub/>2</sub> H <sub/>3</sub> Br <sup>+</sup> , C <sub/>2</sub> H <sub/>3</sub> Br <sub/>2</sub><sup>+</sup> , and C <sub/>2</sub> H <sub/>3</sub> Br <sub/>3</sub><sup>†</sup>.PDF下载