2+1 (2+2) Rempi-Tof Study of the Lowest Rydberg States (6s, 6s’) of Methyl and Propyl Iodides | Zendy

Stelios Couris | Zendy; P. Agapaki | Zendy; Paul Brint | Zendy

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2+1 (2+2) Rempi-Tof Study of the Lowest Rydberg States (6s, 6s’) of Methyl and Propyl Iodides

Author(s) -

Stelios Couris,

P. Agapaki,

Paul Brint

Publication year - 1993

Publication title -

laser chemistry

Language(s) - English

Resource type - Journals

eISSN - 1026-8014

pISSN - 0278-6273

DOI - 10.1155/1993/34268

Subject(s) - chemistry , rydberg formula , resonance enhanced multiphoton ionization , substituent , alkyl , methyl iodide , rydberg state , photochemistry , chromophore , spectral line , iodide , ionization , medicinal chemistry , photoionization , organic chemistry , ion , physics , astronomy

Resonance enhanced multiphoton ionisation (REMPI) combined with time of flight mass analysis undersupersonic beam conditions has been used to investigate the nature of the UV absorption spectra broadeningof the 6s Rydberg states in alkyl iodides.The increase of the size of the alkyl substituent was associated with this broadening although it wasnot known whether this was due to an increase in vibronic activity or to Rydberg state substituentinteraction.The Jet cooled REMPI spectra of methyl and propyl iodide obtained have confirmed that the sourceof broadening of the 6s Rydberg states is solely due to vibronic activity of the alkyl group attached tothe spectroscopic chromophore.

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