Two-Dimensional Infrared Spectroscopy Resolves the Vibrational Landscape in Donor–Bridge–Acceptor Complexes with Site-Specific Isotopic Labeling - James D. Shipp; Ricardo J. Fernández-Terán; Alexander J. Auty; Heather Carson; Andrew J. Sadler; Michael Towrie; Igor V. Sazanovich; Paul M. Donaldson; Anthony J. H. M. Meijer; Julia A. Weinstein (ACS Physical Chemistry Au)