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ROTATIONAL SPECTRA OF WATER-$N_{2}O$ AND WATER-CO VAN DER WAALS COMPLEXES
Karen I. Peterson, David Yaron, Tristan A. Fisher, William Klemperèr
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Abstract
In an effort to describe the internal motions of a water molecule in a van der Waals cluster, rotational spectra were obtained for water-$N_{2}O$ and water-CO using the molecular beam electric resonance technique. The structure of water-$N_{2}O$ has the oxygen of water bound approximately to the center of $N_{2}O$. The following constants were obtained for $HDO-N_{2}O$ (units of MHz except where noted). [FIGURE] In the water-CO complex, water is hydrogen bonded to the carbon producing a structure which is very close to linear. As expected for a molecule with an A rotational constant above 300 GHz, only K=0 transitions were observed despite extensive searches for K=1 transitions. The following constants were obtained.[FIGURE]