Geometry and conformation of dimethyl sulphate as investigated by electron diffraction and dipolometry期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Geometry and conformation of dimethyl sulphate as investigated by electron diffraction and dipolometry

Authors:	Jon Brunvoll Otto Exner István Hargittai

Institution:	Division of Physical Chemistry, The University of Trondheim, N-7034 Trondheim-NTHNorway;Czechoslovak Academy of Sciences, Institute of Organic Chemistry and Biochemistry, CS-16610 PrahaCzechoslovakia;Hungarian Academy of Sciences, Research Laboratory for Inorganic Chemistry, Department of Structural Studies, H-1088 Budapest, Puskin utca 11-13, P.O. Box Budapest, Pf. 117, H-1431 Hungary

Abstract:	Electron diffraction data of dimethyl sulphate are interpreted by a 2:1 mixture of the C₂ and C_2v rotamers. This finding is also in agreement with the dipole moments of dimethyl sulphate and diethyl sulphate in benzene solution. The SO bond length and OSO bond angle are in agreement with the previously described empirical relationships. The variations in the O ?O distances in the different moieties OSO , OS-O, O-S-O, deserve special attention.

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