Abstract

Time-resolved resonance-enhanced Raman spectrum of a photochemical transient of naphthalene, associated with broad electronic absorption in the = 425 nm region, is reported. The Raman signals at 1570, 1431, 1415 and 1388 cm −1, which decay at nanosecond times, are ascribed to this species. This transient is positively identified as the excited singlet (S 1) electronic state of naphthalene.

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