127I and79Br NQR spectra of halo-substituted phenols and phenylmercury phenoxides |
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Authors: | G. K. Semin S. I. Gushchin S. B. Karpov E. V. Bryukhova L. S. Golovchenko D. N. Kramov |
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Affiliation: | 1. Russian Academy of Sciences, A. N. Nesmeyanov Institute of Organoelement Compounds, 28 ul. Vavilova, 117813, Moscow, Russian Federation
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Abstract: | The full127I NQR spectra of a series of iodo-substituted phenols and phenylmercury phenoxides have been studied. The quadrupole coupling constants and asymmetry parameters have been determined. The character of the OH...Hal hydrogen bond has been found to depend on the nature of substituents in the ring. Correlation dependences of the asymmetry parameters on the sum of the substituents resonance constants have been found for both coordinated as well as for non-coordinated iodine atoms. |
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