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The correlation of vibrational broadening of core lines in x-ray photoelectron spectra with valence bond resonance structures

✍ Scribed by William L. Jolly; Theodore F. Schaaf

Publisher: Elsevier Science
Year: 1975
Tongue: English
Weight: 303 KB
Volume: 33
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(75)80149-7

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✦ Synopsis

V&en core ionization of zn atom in B molecule causes sigr!iflcmt changes il bond orders, the core-hole ion is formed L-I x strained configuration. Tnis s:rain cases vibrational broadeting of the core lisle. The core-hole ion cm be represented as an ordinary chemicti species by applying the equivalent cores approximation.

Then simp!e rules of chssicz! valence bond theo-I-.. can be used to predict changes in the weighting of resonance structures and corresponding changes in bond orders. Thus qwlitrtive cixnges iz~ relative linewidths can be predicted.

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High-resolution gas-phase core-level X-ray photoelectron spectroscopy of PH3 and H2S with a synchrotron source: observations of vibrational structure on resolved spin—orbit core (2p) lines

✍ Ronald G. Cavell; Kim H. Tan 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 375 KB

High-resolution core-level photoelectron spectroscopy of PH, and HsS gave well-resolved spin-orbit components (A..,. PH, 860 meV, H$, 12 10 meV ). The v' = 1 vibrational components of PHs were clearly discemable (299 meV, 2411 cm-' ). The vibrationally excited component on the core (2~) photoelectro