Abstract
A combined electron diffraction and mass spectrometric study was carried out to investigate the molecular structure of 4-methylbenzene sulfochloride at 330(2) K. An analysis of the electron diffraction data was performed in terms of the rα structure. Several models of geometrical structure having different orientations of the sulfochloride group relative to the plane of the benzene ring are treated. The following values of structural parameters were obtained: rα(C-H)meth= 1.104(41)Å, ra(C-H)/phen = 1.103(27)Å, ra(C-C)phen = 1.403(7) Å, ra(C-C)meth = 1.512(25) Å, ra(C-S) =1.758(6) Å, ra(S = O) = 1.419(3) Å,r a(S-Cl) = 2.049(5) Å, ∠CCHmeth = 106.9(47)‡, ∠CSO = 110.5(6)‡, ∠CSCl = 101.3(6)°, ∠OSO = 120.5(9)°. The angle between the plane of the benzene ring and the plane of the S-Cl bond was found to be 83°. Ab initio and semiempirical quantum chemical calculations were accomplished to estimate the geometrical and energy parameters and compare them with electron diffraction data.
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Petrov, V.M., Petrova, V.N., Kislov, V.V. et al. Electron diffraction and quantum chemical study of the molecular structure of 4-methylbenzene sulfochloride. J Struct Chem 40, 533–540 (1999). https://doi.org/10.1007/BF02700715
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DOI: https://doi.org/10.1007/BF02700715