Modern Molecular Photochemistry

absorption acceptor addition allowed atom benzene bond Chem chemical complex compounds configuration consider correlation corresponds coupling depends diagram diradical direct donor effect efficiency electron emission emission spectrum energy transfer ethylene example excited expected experimental factors field Figure fluorescence formation function geometry given ground hydrogen abstraction important increases initial interaction intersystem crossing involved jump kcal/mole ketones latter lifetime light magnetic measured mechanism mixing molecular molecule motion nuclear observed occur orbital organic oscillator overlap pair pathway phosphorescence photochemical photoreactions Phys positive possess possible probability processes quantum quantum mechanical quenching radiationless radiative radical rate constant reaction reactive Reference relative representative result ring rule sensitizer separation singlet solvent species spectrum spin spin-orbit structure surface symmetry Table temperature transition triplet Type undergo vibrational wave yield Zero Order