Cavity ring-down spectroscopy of jet-cooled 1-pyrenecarboxyaldehyde (C17H10O) and 1-methylpyrene (C17H12) cations

被引：20

作者：

Tan, Xiaofeng ^{[1
]}

Salama, Farid ^{[1
]}

机构：

[1] NASA, Ames Res Ctr, Div Space Sci, Moffett Field, CA 94035 USA

来源：

CHEMICAL PHYSICS LETTERS | 2006年 / 422卷 / 4-6期

基金：

美国国家航空航天局;

关键词：

D O I：

10.1016/j.cplett.2006.03.006

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：

To study the correlation between pyrene-like species and the diffuse interstellar bands (DIBs), we have investigated the electronic transitions of 1-pyrenecarboxaldehyde(+) and 1-methylpyrene(+) which were prepared with a pulsed discharge slit nozzle and detected by cavity ring-down spectroscopy. Several vibronic bands were observed near the gimel 4428 DIB is detected. Time-dependent density functional theory calculations were performed to aid the assignment of these bands. It is found that none of the observed bands correlate with the gimel 4428 DIB. The effect of side groups on the vibronic spectrum of pyrene(+) is discussed. Published by Elsevier B.V.

引用

页码：518 / 521

页数：4

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