High resolution NEXAFS spectroscopy study of gas-phase phenylacetylene: experiment and theory

被引:30
作者
Carravetta, V
Polzonetti, G
Iucci, G
Russo, MV
Paolucci, G
Barnaba, M
机构
[1] CNR, Ist Chim Quantist & Energet Mol, I-56100 Pisa, Italy
[2] Univ Roma Tre, Dept Phys E Amaldi, I-00146 Roma, Italy
[3] Univ La Sapienza, Dept Chem, I-00185 Rome, Italy
[4] Sincrotrone Trieste, I-34012 Trieste, Italy
关键词
D O I
10.1016/S0009-2614(98)00143-2
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Gas phase near-edge X-ray absorption fine structure spectra of phenylacetylene (PA, C6H5-C=CH) have been recorded at the carbon K-edge. The experimental data have been interpreted with the help of ab initio calculations: both the ionisation potentials for the Cls electrons and the theoretical C K-edge absorption spectra have been calculated for all the six inequivalent carbon atoms of PA. A good agreement is observed between experimental and theoretical data, allowing a detailed attribution of the various features in the measured spectrum. (C) 1998 Elsevier Science B.V. All rights reserved.
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收藏
页码:37 / 46
页数:10
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