Royal Society of Chemistry, Physical Chemistry Chemical Physics, 26(16), p. 13041-13046, 2014
DOI: 10.1039/c4cp00204k
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The rotational spectrum of the adduct pyridine-methane shows that methane links to an aromatic molecule apparently through a C-Hπ weak hydrogen bond. The shape and the internal dynamics behaviour of this complex are very similar to that of the van der Waals complexes involving aromatic molecules with rare gases.