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Issue 47, 2016
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Far-infrared spectra of the tryptamine A conformer by IR-UV ion gain spectroscopy

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Abstract

We present far infrared spectra of the conformer A of tryptamine in the 200 to 500 cm−1 wavenumber range along with resonant photoionization spectra of the far-infrared excited conformer A of tryptamine. We show that single-far-infrared photon excited tryptamine has highly structured resonance enhanced multi-photon ionization spectra, revealing the mode composition of the S1-state. Upon multiple-far-infrared photon absorption, the resonance enhanced multi-photon ionization spectrum broadens allowing ion gain spectroscopy to be performed. In the ion gain spectrum we detect the fundamental far-infrared modes but also combination and overtone bands with high efficiency. The implications to dip spectroscopy using a free electron laser compared to more conventional light sources are discussed.

Graphical abstract: Far-infrared spectra of the tryptamine A conformer by IR-UV ion gain spectroscopy

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Supplementary files

Article information


Submitted
08 Apr 2016
Accepted
05 Nov 2016
First published
10 Nov 2016

This article is Open Access

Phys. Chem. Chem. Phys., 2016,18, 32116-32124
Article type
Paper

Far-infrared spectra of the tryptamine A conformer by IR-UV ion gain spectroscopy

M. Schmitt, F. Spiering, V. Zhaunerchyk, R. T. Jongma, S. Jaeqx, A. M. Rijs and W. J. van der Zande, Phys. Chem. Chem. Phys., 2016, 18, 32116
DOI: 10.1039/C6CP02358D

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