Studies of the X-ray Absorption Spectra of Some Methylcyano Esters

Journal of Electron Spectroscopy and Related Phenomena Volume 142 Issue 2 Page 113-119 published_at 2005-02
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Title ( eng )
Studies of the X-ray Absorption Spectra of Some Methylcyano Esters
Creator
Saito Ko
Mitani Masaki
Tahara Fumitaka
Sunami Tetsuji
Waki Keiichiro
Senba Yasunori
Pettersson Lars G. M.
Source Title
Journal of Electron Spectroscopy and Related Phenomena
Volume 142
Issue 2
Start Page 113
End Page 119
Abstract
Density functional theory (DFT) has been applied to simulate core-excited photoabsorption spectra for some methylcyano esters within a transition potential (TP) framework. Our calculations for methylcyano formate at the N and O K-edges are consistent with previous experimental spectra. For methylcyano acetate the photoabsorption spectra at the N and O K-edges were reinvestigated experimentally. Contrary to the previous experiment, only one main peak was observed at the N K-edge and this peak was assigned to N(1s) →π* excitation. This result was supported by our theoretical calculations. The general trends in the x-ray absorption spectra and the site-specific bond scission of methylcyano esters at the N and O K-edges are also discussed.
Keywords
x-ray absorption spectra
density functional theory
methylcyano esters, core-excitation
site-selectivity
NDC
Chemistry [ 430 ]
Language
eng
Resource Type journal article
Publisher
Elsevier
Date of Issued 2005-02
Rights
Copyright (c) 2004 Elsevier Ltd.
Publish Type Author’s Original
Access Rights open access
Source Identifier
[ISSN] 0368-2048
[DOI] 10.1016/j.elspec.2004.10.002
[NCID] AA00697082
[DOI] http://dx.doi.org/10.1016/j.elspec.2004.10.002 isVersionOf