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Infrared predissociation of SiF4 and CF3Br clusters in a molecular-beam experiment

✍ Scribed by J. Geraedts; M.N.N. Snels; S. Stolte; J. Reuss

Publisher: Elsevier Science
Year: 1984
Tongue: English
Weight: 430 KB
Volume: 106
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(84)85321-x

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✦ Synopsis

IR predissociation spectra of SiF4 and CF-,Br clusters have been studied by attenuating a molecular beam with a Linetunable cw CO* laser. The (SiFa)z dimer dissociation spectrum of the three-folddegenerate y3 spectrum behaves sirntily to that of (SF&, and permitted the determination of the linewidth (rz = 4.7 ? 0.4 cm-') and line splitting (a = 6.2 c 0.2 cm-') parameters. The predissociation spectrum of (CFsBr)I. excited into the vt vibration, turns out to be vert different from the (SiF& spectrum. A qualitative explanation of the (CFsBr)? spectrum is grven.

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