Abstract
The electronic structure of di-t-butylchlorophosphine [(t-butyl) 2PCl] has been studied by photoemission spectroscopy (PES) and inner-shell electronic spectroscopy. The photoemission spectrum of (t-butyl) 2PCl exhibits features in good agreement with molecular orbital assignments based on modified neglect of differential overlap semiempirical calculations. The unoccupied electronic structure of (t-butyl) 2PCl has been investigated through P 2p, P 2s, Cl 2p, and C 1s core excitation spectra recorded by dipole-regime inner shell electron energy loss spectroscopy (ISEELS). The P 2p and P 2s spectra of (tbutyl) 2PCl exhibit features in common with PCl3 and P(CH3) 3, whereas the Cl 2p spectrum resembles that of PCl 3 and the C 1s spectrum resembles P(CH3) 3. Comparison of the photoemission and the ISEELS results emphasizes the local structural sensitivity of core excitation in contrast to the more extended picture of electronic structure provided by PES. q 1998 Elsevier Science B.V. All rights reserved
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