Interaction of phenol with xenon and nitrogen: Spectroscopic and computational characterization

2012 | journal article. A publication of Göttingen

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​Interaction of phenol with xenon and nitrogen: Spectroscopic and computational characterization​
Cao, Q.; Andrijchenko, N.; Ahola, A.-E.; Domanskaya, A. V.; Rasanen, M.; Ermilov, A. & Nemukhin, A. et al.​ (2012) 
The Journal of Chemical Physics137(13) art. 134305​.​ DOI: 

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Cao, Qian; Andrijchenko, Natalya; Ahola, Anna-Elina; Domanskaya, Alexandra V.; Rasanen, Markku; Ermilov, Alexander; Nemukhin, Alexander; Khriachtchev, Leonid
Intermolecular complexes of phenol with xenon and nitrogen are studied by infrared absorption spectroscopy in a neon matrix and by quantum chemistry calculations. The pi complex is theoretically the most stable 1:1 phenol center dot center dot center dot Xe structure, but it has no characteristic shifts in the calculated vibrational spectrum, which complicates its experimental characterization. However, the formation of the pi complex finds indirect but significant support from the experimental results. The calculated spectrum of the less stable H-bonded complex shows a number of characteristic absorptions, but they are not observed in the experiment, indicating the lack of its formation. For the phenol center dot center dot center dot Xe-n (n = 2-4) complexes, the calculations predict substantial changes in the vibrational spectra, and the corresponding bands are observed in the matrices with large concentrations of xenon. Our experiments show the high efficiency of the formation of large xenon clusters in a neon matrix that can accommodate a major part of phenol molecules. In contrast to the case of xenon, the H-bonded 1: 1 phenol center dot center dot center dot N-2 complex is found in a neon matrix, and the formation of large N-2 clusters embedding phenol molecules is relatively inefficient. (C) 2012 American Institute of Physics. []
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Amer Inst Physics
The Journal of Chemical Physics 



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