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基于同步加速器的薁的旋转分辨高分辨率傅里叶变换红外光谱以及天文学中未识别的红外波段。

Synchrotron-based rotationally resolved high-resolution FTIR spectroscopy of azulene and the unidentified infrared bands of astronomy.

作者信息

Albert Sieghard, Lerch Philippe, Quack Martin

机构信息

Physical Chemistry, ETH Zurich, 8093 Zürich (Switzerland).

出版信息

Chemphyschem. 2013 Oct 7;14(14):3204-8. doi: 10.1002/cphc.201300623. Epub 2013 Sep 25.

DOI:10.1002/cphc.201300623
PMID:25928275
Abstract

Chasing the unidentified IR bands: The first rotationally resolved high-resolution infrared spectrum of azulene is reported using synchrotron Fourier transform infrared spectroscopy including a rovibrational analysis of the out-of-plane fundamental ν44. Comparison of azulene, naphthalene, indole, and biphenyl infrared bands leads to coincidences with UIR bands at 12.8 μm with naphthalene and at 13.55 and 14.6 μm with biphenyl bands, but excluding azulene as a strong absorber.

摘要

追寻未识别的红外波段

利用同步辐射傅里叶变换红外光谱法报道了薁的首个转动分辨高分辨率红外光谱，包括对平面外基频ν44的振转分析。薁、萘、吲哚和联苯红外波段的比较表明，薁与萘在12.8μm处以及与联苯在13.55μm和14.6μm处的UIR波段存在巧合，但排除薁作为强吸收体的情况。

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