The molecular beam Fourier transform microwave spectrum of cyclobutanone-trifluoromethane has been assigned and measured. The carbon atom of trifluoromethane lies in the plane of the heavy atoms of cyclobutanone. The complex is stabilized by one C-H×××O=C and two C-H×××F-C weak hydrogen bonds. The C-H×××O=C interaction, involving one carbonylic oxygen, is studied for the first time in details, with rotationally resolved spectroscopy. The two C-H×××F-C weak hydrogen bonds involve two fluorine atoms of trifluoromethane and two hydrogens of the same methylenic group, in position a.
P.Ottaviani, W.Caminati, L.B.Favero, S.Blanco, J.C.López, J.L.Alonso (2006). Molecular Beam Rotational Spectrum of Cyclobutanone-Trifluoromethane: Nature of Weak CH O C and CH F Hydrogen Bonds. CHEMISTRY-A EUROPEAN JOURNAL, 12, 915-920 [10.1002/chem.200500674].
Molecular Beam Rotational Spectrum of Cyclobutanone-Trifluoromethane: Nature of Weak CH O C and CH F Hydrogen Bonds
OTTAVIANI, PAOLO;CAMINATI, WALTHER;
2006
Abstract
The molecular beam Fourier transform microwave spectrum of cyclobutanone-trifluoromethane has been assigned and measured. The carbon atom of trifluoromethane lies in the plane of the heavy atoms of cyclobutanone. The complex is stabilized by one C-H×××O=C and two C-H×××F-C weak hydrogen bonds. The C-H×××O=C interaction, involving one carbonylic oxygen, is studied for the first time in details, with rotationally resolved spectroscopy. The two C-H×××F-C weak hydrogen bonds involve two fluorine atoms of trifluoromethane and two hydrogens of the same methylenic group, in position a.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
