New spectroscopy of free radicals produced by the reactions of fluorine and chlorine with diborane

Jeffrey W. Hudgens; Karl K. Irikura; Russell D. Johnson III

doi:10.1117/12.178120

17 June 1994 New spectroscopy of free radicals produced by the reactions of fluorine and chlorine with diborane

Jeffrey W. Hudgens, Karl K. Irikura, Russell D. Johnson III

Proceedings Volume 2124, Laser Techniques for State-Selected and State-to-State Chemistry II; (1994) https://doi.org/10.1117/12.178120
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

We report the first resonance enhanced multiphoton ionization (REMPI) spectra of the boron-centered free radicals, BF, BCl, B₂, BF₂ and atomic boron. These spectra were observed between 300 and 380 nm by two photon resonances with previously unreported Rydberg states that reside between 58000 and 65600 cm^-1. The radicals were produced by chain reactions of fluorine and chlorine atoms in a flow reactor and ion signals were analyzed by mass spectrometry. The REMPI spectra BF, BCl, B₂, and BF₂ originate from 3s and 4s Rydberg states. The spectrum of boron atoms arises from a new np Rydberg series and from a nf Rydberg series.

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Jeffrey W. Hudgens, Karl K. Irikura, and Russell D. Johnson III "New spectroscopy of free radicals produced by the reactions of fluorine and chlorine with diborane", Proc. SPIE 2124, Laser Techniques for State-Selected and State-to-State Chemistry II, (17 June 1994); https://doi.org/10.1117/12.178120

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