On the Cl⋯C halogen bond: a rotational study of CF3Cl–CO
Author(s) -
Walther Camináti,
Luca Evangelisti,
Gang Feng,
B. M. Giuliano,
Qian Gou,
Sonia Melandri,
JensUwe Grabow
Publication year - 2016
Publication title -
physical chemistry chemical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.053
H-Index - 239
eISSN - 1463-9084
pISSN - 1463-9076
DOI - 10.1039/c6cp01059h
Subject(s) - isotopologue , rotational spectroscopy , chemistry , quadrupole , halogen , bond dissociation energy , halogen bond , fourier transform , adduct , rotational transition , rotational energy , dissociation (chemistry) , rotational–vibrational spectroscopy , spectral line , supersonic speed , atomic physics , computational chemistry , molecule , physics , thermodynamics , organic chemistry , angular momentum , alkyl , quantum mechanics , astronomy
The rotational spectra of two isotopologues (CF3(35)Cl-CO and CF3(37)Cl-CO) of the CF3Cl-CO adduct have been investigated and analyzed using supersonic-jet Fourier transform microwave spectroscopy, and found to have the features of a symmetric top. Rotational, centrifugal distortion, and nuclear quadrupole ((35)Cl and (37)Cl) coupling constants have been precisely obtained from high-resolution measurements. The two subunits of the complex are held together via a ClC halogen bond interaction. Information on the internal dynamics and the dissociation energy of the complex is provided.
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