Thermally Activated and Nonactivated Excited State Decay of [Cr(dgpy)2]3+ | Inorganic Chemistry pubs.acs.org/doi/10.1021/... @LabHeinze and co-workers @InorgChem #chromium #aliphatic #guanidines #thermally_activated_nonactivated #EnT #bISC #spin_flip #VibrationalOvertones #NIR