• Nirupa U Kamath

      Articles written in Journal of Chemical Sciences

    • Crystallographic study of push-pull ethylenes

      D Adhikesavalu Nirupa U Kamath K Venkatesan

      More Details Abstract Fulltext PDF

      From structural data of several crystal structure analyses of push-pull ethylenes it is found that C=C bond lengths in this class of molecules are significantly longer than the value for this bond in ethylene. With powerful donors and acceptors such as -NMe2 and -COOMe groups respectively, the C=C bond length is as long as 1.460 å. Correlations are observed between (i) C=C bond lengths and the twist angles about the C=C bond and (ii) C=C bond lengths and the torsional barrier measured by thednmr technique.

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