ROTATIONAL SPECTRA OF CYCLOPENTADIENYLTUNGSTEN TRICARBONYL HYDRIDE COMPLEX USING PULSE BEAM FOURIER TRANSFORM MICROWAVE $SPECTROMETER^{a}$

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Title: ROTATIONAL SPECTRA OF CYCLOPENTADIENYLTUNGSTEN TRICARBONYL HYDRIDE COMPLEX USING PULSE BEAM FOURIER TRANSFORM MICROWAVE $SPECTROMETER^{a}$
Creators: Tanjaroon, Chakree; Karunatilaka, Chandana; Keck, Kristen; Kukolich, Stephen G.
Issue Date: 2003
Publisher: Ohio State University
Abstract: Transition metal carbonyl hydride complexes based on tungsten or molybdenum have recently been explored as possible agents for hydrogenation catalysts. This is the first measurement of rotational spectra for a tungsten hydride complex. The asymmetric-top spectra for the four tungsten isotopomers of cyclopentadi-enyltungsten tricarbonyl hydride complex were measured in the frequency range of $5-12$ GHz using a Flygare-Balle type of spectrometer. The spectra have been assigned and rotational parameters have been derived from the least-squares fits. The preliminary fit results suggest that the complex behaves nearly like a rigid rotor. The work is in progress to obtain spectra for more isotopic species to solve the gas phase structure and obtain the hydrogen bond length of this complex. [FIGUER]
Description: $^{a}$Supported by THE NATIONAL SCIENCE FOUNDATION
Author Institution: Department of Chemistry, University of Arizona
URI: http://hdl.handle.net/1811/20933
Other Identifiers: 2003-RH-15
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