17O and 33S nuclear magnetic shielding of sulfur trioxides from the experimental measurements and theoretical calculations

Copyright © 2014 John Wiley & Sons, Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Magnetic resonance in chemistry : MRC. - 1985. - 52(2014), 3 vom: 10. März, Seite 106-10
1. Verfasser: Makulski, Włodzimierz (VerfasserIn)
Weitere Verfasser: Tulewicz, Adam, Leś, Andrzej
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Magnetic resonance in chemistry : MRC
Schlagworte:Journal Article Research Support, Non-U.S. Gov't 17O and 33S NMR spectra ab initio shielding calculations sulfur oxides Oxygen Isotopes Sulfur Isotopes Sulfur Oxides sulfur trioxide HH2O7V4LYD
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520 |a In a recent (17)O NMR spectra of liquid sulfur trioxide, several unexpected peaks appeared with the temperature-dependent integrated peak ratio. In order to interpret NMR spectra and assign peaks to possible molecular structures, the theoretical quantum mechanical density functional theory and Møller-Plesset second-order perturbation theory calculations were performed. It is suggested that in the liquid sulfur trioxide, apart from monomeric SO3, a significant amount of (SO3)3 cyclic trimers should appear. No theoretical data support hypothesis on (SO3)2 dimers formation 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 4 |a NMR spectra 
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