Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Aromatic quality or character, especially the distinctive structure or properties of the aromatic chemical compounds.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry The property of
organic compounds which have at least oneconjugated ring ofalternate single bond anddouble bonds , and exhibit extremestability .
Etymologies
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Examples
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For my graduate work, I initially chose a project related to the Pettit work and finished studying the anti-aromaticity of cyclobutadiene.
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NMR shifts will give us experimental backup on our notion of aromaticity, and so do bond lengths.
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Aromaticity beyond that is even less well defined than aromaticity in general.
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I asked Peter about this, and whether OpenNMR predicted shifts could indeed confirm aromaticity of compounds, and he replied and showed that the predicted spectra could be used to distinguish between C-C and C=C bonds.
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I asked Peter about this, and whether OpenNMR predicted shifts could indeed confirm aromaticity of compounds, and he replied and showed that the predicted spectra could be used to distinguish between C-C and C=C bonds.
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Sure, bonding is more difficult, and let's not start about aromaticity.
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Now, aromaticity is a fuzzy concept, and there is no general agreement on what it is.
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Based on the new atom type list, I have rewritten the Hückel aromaticity detector and it applies these rules:
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Now, aromaticity is a fuzzy concept, and there is no general agreement on what it is.
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There are many other details to aromaticity than I just covered.
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