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hydrogen bond |
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hydrogen bond [′hī·drə·jən ′bänd] (physical chemistry) A type of bond formed when a hydrogen atom bonded to atom A in one molecule makes an additional bond to atom B either in the same or another molecule; the strongest hydrogen bonds are formed when A and B are highly electronegative atoms, such as fluorine, oxygen, or nitrogen. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The most obvious explanation is the lack of hydrogen bond acceptor capability at this site in 7 and 8 and the weaker and more conformationally constrained H-bond acceptor capability of chlorine in derivative 9. |
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