RT info:eu-repo/semantics/article T1 Pyridine–acetaldehyde, a molecular balance to explore the n→π*interaction A1 Blanco Rodríguez, Susana A1 Macario Farto, Alberto A1 López Alonso, Juan Carlos K1 Espectroscopía de rotación K1 Quimica K1 Quimica Fisica K1 pyridine - acetaldehyde K1 rotational spectroscopy K1 structure K1 n - pi interaction K1 conformational equilibria K1 23 Química K1 2301.13 Espectroscopia de Microondas K1 2307 Química Física AB The complex pyridine–acetaldehyde is formed through an n->pi* interaction and a C‐H∙∙∙O contact. The acetaldehyde methyl group internal rotation induces a phase‐locked intermolecular oscillation along the Bürgi‐Dunitz coordinate. Surprisingly, this sort of molecular balance extracts energy through the n->pi* interaction to reduce the size of the internal rotation barrier. PB Royal Society of Chemistry SN 1463-9076 YR 2019 FD 2019 LK http://uvadoc.uva.es/handle/10324/46376 UL http://uvadoc.uva.es/handle/10324/46376 LA spa NO Physical Chemistry Chemical Physics, 2019, 21, 20566-20570 NO Producción Científica DS UVaDOC RD 24-nov-2024