Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Coronene> ?p ?o }
- Coronene abstract "Coronene (also known as superbenzene) is a polycyclic aromatic hydrocarbon (PAH) comprising six peri-fused benzene rings. Its chemical formula is C24H12. It is a yellow material that dissolves in such solvents as benzene, toluene, and dichloromethane. Its solutions emit blue light fluorescence under UV light. Its emission spectrum is not symmetrical with its excitation spectrum and varies in the number of bands and their relative intensities depending on the solvent. It has been used as a solvent probe, similar to pyrene.It occurs naturally as the very rare mineral carpathite, which is characterized by flakes of pure coronene embedded in sedimentary rock. This mineral may be created from ancient hydrothermal vent activity. In earlier times this mineral was also called Karpatite or Pendletonite.Coronene is produced in the petroleum-refining process of hydrocracking, where it can dimerize to a fifteen ring PAH, trivially named "dicoronylene" (formally named benzo[10,11]phenanthro[2',3',4',5',6':4,5,6,7]chryseno[1,2,3-bc]coronene or benzo[1,2,3-bc:4,5,6-b'c']dicoronene).The compound is of theoretical interest to organic chemists because of its aromaticity. It can be described by 20 resonance structures or by a set of three mobile Clar sextets. In the Clar sextet case, the most stable structure for coronene has only the three isolated outer sextets as fully aromatic although superaromaticity would still be possible when these sextets are able to migrate into the next ring.According to in silico calculations on the following hypothetical isodesmic reactions, coronene has a somewhat higher resonance energy per pi electron (REPE) than benzene:coronene + 24 * ethylene → 18 * butadiene REPE 4.2 kcal/mol (17.6 kJ/mol)benzene + 3 * ethylene → 3 * butadiene REPE 3.6 kcal/mol (15 kJ/mol)On the other hand, the perimeter C–C bond length alternations are larger than in benzene.".
- Coronene thumbnail Coronene_structure.png?width=300.
- Coronene wikiPageID "649654".
- Coronene wikiPageLength "7137".
- Coronene wikiPageOutDegree "56".
- Coronene wikiPageRevisionID "671404002".
- Coronene wikiPageWikiLink 1,3-Butadiene.
- Coronene wikiPageWikiLink Acetone.
- Coronene wikiPageWikiLink Aldol_condensation.
- Coronene wikiPageWikiLink Alkyne.
- Coronene wikiPageWikiLink Aromaticity.
- Coronene wikiPageWikiLink Benzene.
- Coronene wikiPageWikiLink Benzil.
- Coronene wikiPageWikiLink Bond_length.
- Coronene wikiPageWikiLink Butadiene.
- Coronene wikiPageWikiLink Calorie.
- Coronene wikiPageWikiLink Carbon_monoxide.
- Coronene wikiPageWikiLink Carbon_nanotube.
- Coronene wikiPageWikiLink Carbon_nanotubes.
- Coronene wikiPageWikiLink Carpathite.
- Coronene wikiPageWikiLink Category:Polycyclic_aromatic_hydrocarbons.
- Coronene wikiPageWikiLink Clars_rule.
- Coronene wikiPageWikiLink Columnar_phase.
- Coronene wikiPageWikiLink Cracking_(chemistry).
- Coronene wikiPageWikiLink Cyclooctadecanonaene.
- Coronene wikiPageWikiLink Cyclopentadienone.
- Coronene wikiPageWikiLink Debye.
- Coronene wikiPageWikiLink Dichloromethane.
- Coronene wikiPageWikiLink Dicoronylene.
- Coronene wikiPageWikiLink Diels-Alder_reaction.
- Coronene wikiPageWikiLink Diels–Alder_reaction.
- Coronene wikiPageWikiLink Electrode.
- Coronene wikiPageWikiLink Electrodes.
- Coronene wikiPageWikiLink Ethylene.
- Coronene wikiPageWikiLink Fluorescence.
- Coronene wikiPageWikiLink Hexabenzocoronene.
- Coronene wikiPageWikiLink Hexaphenylbenzene.
- Coronene wikiPageWikiLink Hydrocracking.
- Coronene wikiPageWikiLink In_silico.
- Coronene wikiPageWikiLink Iron(III)_chloride.
- Coronene wikiPageWikiLink Isodesmic_reaction.
- Coronene wikiPageWikiLink Isodesmic_reactions.
- Coronene wikiPageWikiLink Joule.
- Coronene wikiPageWikiLink Kilocalorie.
- Coronene wikiPageWikiLink Kilojoule.
- Coronene wikiPageWikiLink Mineral.
- Coronene wikiPageWikiLink Mole_(unit).
- Coronene wikiPageWikiLink Molecular_self-assembly.
- Coronene wikiPageWikiLink Nanometers.
- Coronene wikiPageWikiLink Nanometre.
- Coronene wikiPageWikiLink Nitromethane.
- Coronene wikiPageWikiLink Nitrosonium_tetrafluoroborate.
- Coronene wikiPageWikiLink One-electron_oxidation.
- Coronene wikiPageWikiLink Organic_oxidation.
- Coronene wikiPageWikiLink Organic_redox_reaction.
- Coronene wikiPageWikiLink Organic_synthesis.
- Coronene wikiPageWikiLink Pi_bond.
- Coronene wikiPageWikiLink Pi_electron.
- Coronene wikiPageWikiLink Platinum.
- Coronene wikiPageWikiLink Polycyclic_aromatic_hydrocarbon.
- Coronene wikiPageWikiLink Pyrene.
- Coronene wikiPageWikiLink Resonance_(chemistry).
- Coronene wikiPageWikiLink Resonance_energy.
- Coronene wikiPageWikiLink Resonance_structures.
- Coronene wikiPageWikiLink Scanning_probe_microscopy.
- Coronene wikiPageWikiLink Superaromaticity.
- Coronene wikiPageWikiLink Supramolecular_electronics.
- Coronene wikiPageWikiLink Toluene.
- Coronene wikiPageWikiLink UV_light.
- Coronene wikiPageWikiLink Ultraviolet.
- Coronene wikiPageWikiLink File:HexabenzocoroneneRXN.svg.
- Coronene wikiPageWikiLinkText "Coronene".
- Coronene wikiPageWikiLinkText "coronene".
- Coronene wikiPageWikiLinkText "molecular hexagon".
- Coronene hasPhotoCollection Coronene.
- Coronene imagefile "Coronene structure.png".
- Coronene imagefile "Coronene3D.png".
- Coronene imagesize "200".
- Coronene othernames "X1001757-9, superbenzene".
- Coronene othernames "[6]circulene".
- Coronene verifiedfields "changed".
- Coronene verifiedrevid "460107606".
- Coronene wikiPageUsesTemplate Template:Chem.
- Coronene wikiPageUsesTemplate Template:Chembox.
- Coronene wikiPageUsesTemplate Template:PAHs.
- Coronene wikiPageUsesTemplate Template:Reflist.
- Coronene subject Category:Polycyclic_aromatic_hydrocarbons.
- Coronene hypernym Hydrocarbon.
- Coronene type ChemicalCompound.
- Coronene type ChemicalSubstance.
- Coronene type Chemical.
- Coronene type Hydrocarbon.
- Coronene type ChemicalObject.
- Coronene type Thing.
- Coronene type Q11173.
- Coronene comment "Coronene (also known as superbenzene) is a polycyclic aromatic hydrocarbon (PAH) comprising six peri-fused benzene rings. Its chemical formula is C24H12. It is a yellow material that dissolves in such solvents as benzene, toluene, and dichloromethane. Its solutions emit blue light fluorescence under UV light. Its emission spectrum is not symmetrical with its excitation spectrum and varies in the number of bands and their relative intensities depending on the solvent.".
- Coronene label "Coronene".
- Coronene sameAs Coronen.
- Coronene sameAs کرونن.
- Coronene sameAs Coronène.