Universität zu Köln

Gaertner, Sabrina, Krieg, Juergen, Klemann, Andre, Asvany, Oskar, Bruenken, Sandra and Schlemmer, Stephan ORCID: 0000-0002-1421-7281 (2013). High-Resolution Spectroscopy of CH2D+ in a Cold 22-Pole Ion Trap. J. Phys. Chem. A, 117 (39). S. 9975 - 9985. WASHINGTON: AMER CHEMICAL SOC. ISSN 1089-5639

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Abstract

The method of laser-induced reaction (LIR) is used to obtain high resolution IR spectra of CH2D+ in collision with n-H-2 at a nominal temperature of 14 K. For this purpose, a home-built optical parametric oscillator (OPO), tunable in the range of 2500-4000 cm(-1), has been coupled to a 22 pole ion trap apparatus. In total, 112 lines of the nu(1) and nu(4) bands have been recorded. A line list is inferred from a careful analysis of the shape of the LIR signal. Line positions have been determined to an accuracy of 1 X 10(-4) cm(-1), allowing for the prediction of pure rotational transitions with MHz accuracy. In addition, an IR-THz double resonance LIR depletion technique is applied to H2D+ to demonstrate the feasibility for pure rotational spectroscopy with LIR.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Gaertner, Sabrina UNSPECIFIED UNSPECIFIED UNSPECIFIED Krieg, Juergen UNSPECIFIED UNSPECIFIED UNSPECIFIED Klemann, Andre UNSPECIFIED UNSPECIFIED UNSPECIFIED Asvany, Oskar UNSPECIFIED UNSPECIFIED UNSPECIFIED Bruenken, Sandra UNSPECIFIED UNSPECIFIED UNSPECIFIED Schlemmer, Stephan UNSPECIFIED orcid.org/0000-0002-1421-7281 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-474262
DOI:	10.1021/jp400258e
Journal or Publication Title:	J. Phys. Chem. A
Volume:	117
Number:	39
Page Range:	S. 9975 - 9985
Date:	2013
Publisher:	AMER CHEMICAL SOC
Place of Publication:	WASHINGTON
ISSN:	1089-5639
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language LASER-INDUCED REACTIONS; INFRARED-SPECTROSCOPY; CARBO-IONS; SPECTRUM; FREQUENCY; VIBRATION; C2H2+; BANDS Multiple languages Chemistry, Physical; Physics, Atomic, Molecular & Chemical Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/47426