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 Title: BROADBAND MICROWAVE SPECTROSCOPY AS A TOOL TO STUDY THE STRUCTURES OF ODORANT MOLECULES AND WEAKLY BOUND COMPLEXES IN THE GAS PHASE Author(s): Zinn, Sabrina Contributor(s): Schnell, Melanie; Medcraft, Chris; Betz, Thomas Subject(s): Structure determination Abstract: The rotational spectrum of textit{trans}-cinnamaldehyde ((2E)-3-phenylprop-2-enal) has been obtained with chirped-pulse microwave spectroscopy in the frequency range of 2 - 8.5 GHz. The odorant molecule is the essential component in cinnamon oil and causes the characteristic smell. In the measured high-resolution spectrum, we were able to assign the rotational spectra of two conformers of textit{trans}-cinnamaldehyde as well as all singly $^{13}$C-substituted species of the lowest-energy conformer in natural abundance. Two different methods were used to determine the structure from the rotational constants, which will be compared within this contribution. In addition, the current progress of studying ether-alcohol complexes, aiming at an improved understanding of the interplay between hydrogen bonding and dispersion interaction, will be reported. Here, a special focus is placed on the complexes of diphenylether with small aliphatic alcohols. Issue Date: 22-Jun-15 Publisher: International Symposium on Molecular Spectroscopy Citation Info: ACS Genre: CONFERENCE PAPER/PRESENTATION Type: Text Language: English URI: http://hdl.handle.net/2142/79124 Date Available in IDEALS: 2016-01-05
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