Rotation of methane molecules in dimers and small clusters

The Journal of Chemical Physics
Hiromichi HoshinaA Vilesov

Abstract

This work reports on the study of the internal rotation of methane molecules in small clusters containing up to about five molecules. The clusters were assembled in helium droplets at T = 0.38 K by successive capture of single methane molecules and studied by infrared laser spectroscopy of the fundamental CH4 ν3 vibration around 3030 cm(-1). The spectra demonstrate well resolved structure due to internal rotation of the constituent molecules in the clusters. The most resolved spectrum for the dimers shows characteristic splitting of the lines due to anisotropic intermolecular interaction. The magnitude of the splitting is found to be in a good quantitative agreement with the recent theoretical anisotropic intermolecular potentials.

References

May 13, 1999·Science·R S FellersR J Saykally
Mar 12, 2004·Annual Review of Physical Chemistry·J P Toennies, A F Vilesov
Jul 11, 2006·The Journal of Chemical Physics·Mikhail N SlipchenkoAndrey F Vilesov
Mar 12, 2008·The Journal of Chemical Physics·Dmitry SkvortsovAndrey F Vilesov
Jul 17, 2008·Angewandte Chemie·J Peter Toennies, Andrey F Vilesov
Aug 13, 2009·The Journal of Physical Chemistry. a·João B L MartinsRicardo Gargano
Jan 12, 2010·The Journal of Chemical Physics·Dmitry SkvortsovAndrey F Vilesov
Jan 19, 2010·The Journal of Chemical Physics·Kirill Kuyanov-ProzumentAndrey F Vilesov
Feb 23, 2010·The Journal of Chemical Physics·Hiromichi HoshinaAndrey F Vilesov
Oct 28, 2011·The Journal of Chemical Physics·Luis F GomezAndrey F Vilesov
Jun 19, 2013·The Journal of Physical Chemistry. a·Evgeny LoginovAndrey F Vilesov

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Citations

Jan 13, 2016·The Journal of Physical Chemistry. a·Hiromichi HoshinaAndrey F Vilesov
Dec 15, 2015·The Journal of Physical Chemistry Letters·Mikhail N SlipchenkoAndrey F Vilesov
Jun 25, 2016·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Hiromichi HoshinaAndrey F Vilesov

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