Sulphone Molecular Structures: Conformation and Geometry from Electron Diffraction and Microwave Spectroscopy; Structural Variations

Sulphone Molecular Structures: Conformation and Geometry from Electron Diffraction and Microwave Spectroscopy; Structural Variations

by Istvan Hargittai

Paperback(Softcover reprint of the original 1st ed. 1978)

$129.00
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Overview

Recently, the molecular structures of a relatively large number of sulphone compounds have been elucidated in the vapour phase by electron diffraction and microwave spectroscopy. The main purpose of these studies is the determination of the sulphur bond configuration and the conformational properties. This leads to the observation and correlation of characteristic structural variations as various ligands are attached to the S02 group and as comparisons are made with related molecules. Today it may be said that the structure of sulphone molecules is relatively well studied, and it appeared necessary to systematize the accumulated experimental data after critical considerations. This is done in the first part of this monograph. The second part presents the observed characteristic structural variations. Attempts are made to interpret these variations by valence shell electron pair repulsions and-non-bonded interactions. Correlation relationships between geometric and vibrational parameters are also presented. It is the metrical aspects of the molecular structure which are primarily considered. Since they correlate with other aspects of the molecular structure, e.g. electronic, it is hoped that the experimental information on the molecular geometry provides stim­ ulus for further experimental, and, in particular, theoretical work on sulphones and related systems. IV It is attempted to cover all electron diffraction and micro­ wave spectroscopic investigations on sulphone molecules to date. Admittedly, however, relatively larger weight is given to the electron diffraction studies originating from the author's own laboratory.

Product Details

ISBN-13: 9783540086543
Publisher: Springer Berlin Heidelberg
Publication date: 03/27/1978
Series: Lecture Notes in Chemistry , #6
Edition description: Softcover reprint of the original 1st ed. 1978
Pages: 176
Product dimensions: 6.69(w) x 9.61(h) x 0.02(d)

Table of Contents

One: Molecular Geometries.- Experimental determination of the molecular geometries.- The determined structures.- Two: Structural Variations.- Conformational properties.- Characteristic variations in the bond angles and bond lengths.- Comparison of analogous sulphone, sulphoxide and sulphide geometries.- Geometrical variations in the rest of the molecule.- Correlation between geometric and vibrational parameters of the SO2 groups.- References.

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