What does tautomerism mean?

Definitions for tautomerism
tɔˈtɒm əˌrɪz əmtau·tomerism

This dictionary definitions page includes all the possible meanings, example usage and translations of the word tautomerism.


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Wiktionary

  1. tautomerismnoun

    A form of isomerism in which a dynamic equilibrium between multiple isomers exists, such as that between an enol and a ketone.

Wikipedia

  1. tautomerism

    Tautomers () are structural isomers (constitutional isomers) of chemical compounds that readily interconvert. The chemical reaction interconverting the two is called tautomerization. This conversion commonly results from the relocation of a hydrogen atom within the compound. The phenomenon of tautomerization is called tautomerism, also called desmotropism. Tautomerism is for example relevant to the behavior of amino acids and nucleic acids, two of the fundamental building blocks of life. Care should be taken not to confuse tautomers with depictions of "contributing structures" in chemical resonance. Tautomers are distinct chemical species that can be distinguished by their differing atomic connectivities, molecular geometries, and physicochemical and spectroscopic properties, whereas resonance forms are merely alternative Lewis structure (valence bond theory) depictions of a single chemical species, whose true structure is best described as the "average" of the idealized, hypothetical geometries implied by these resonance forms.

Webster Dictionary

  1. Tautomerismnoun

    the condition, quality, or relation of metameric substances, or their respective derivatives, which are more or less interchangeable, according as one form or the other is the more stable. It is a special case of metamerism; thus, the lactam and the lactim compounds exhibit tautomerism

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Numerology

  1. Chaldean Numerology

    The numerical value of tautomerism in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of tautomerism in Pythagorean Numerology is: 1


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"tautomerism." Definitions.net. STANDS4 LLC, 2024. Web. 28 Mar. 2024. <https://www.definitions.net/definition/tautomerism>.

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