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An '''alternant hydrocarbon''' is any [[conjugated system|conjugated hydrocarbon system]] which does not possess an [[Cycloalkane|odd-membered r Alternant hydrocarbons display three very interesting properties:<ref name=Jones>{{cite book |titl ...

...an be used to study important transformations such as the [[nitration]] of conjugated systems from a [[Theoretical chemistry|theoretical perspective]]. ...

...contorted aromatics''', or more precisely '''contorted polycyclic aromatic hydrocarbons''', are [[polycyclic aromatic hydrocarbon]]s (PAHs) in which the fused [[ar ...rnal |last1=Karadakov |first1=Peter B. |title=Do large polycyclic aromatic hydrocarbons and graphene bend? How popular theoretical methods complicate finding the a ...

...hael |last3=Fry |first3=James L. |title=A convenient one-step synthesis of hydrocarbons from alcohols through use of the organosilane-boron trifluoride reducing sy A synthesis of (+)-estrone relies on selective hydrosilane reduction of a conjugated alkene as a key step. The ketone carbonyl and isolated double bond are unaf ...

...ref> This technique also offers a selective and soft ionization for highly conjugated compounds.<ref>{{Cite journal|last=Weston|first=Daniel J.|date=2010-03-22|t ...zed include: cholesterol, triacylglycerols, 1,2-diol diesters, wax esters, hydrocarbons, and cholesterol esters. TLC is normally coupled with instruments in vacuum ...

...raction of the vibrational and electronic motion in some simple conjugated hydrocarbons. I. Exact calculation of the intensity of the ¹A_1g → ...p. 172–185">{{cite journal | title=The alternation of bond lengths in long conjugated chain molecules | journal=Proceedings of the Royal Society of London. Serie ...

...ly around 50% of global plastic production.<ref name=handbook /> Aliphatic hydrocarbons can only adsorb high energy UV-rays with a wavelength below ~250&nbsp;nm, h When the polyenes contain at least eight conjugated double bonds they become coloured, leading to yellowing and eventual browni ...

...atoms [[covalent]]ly bond with alternating single and double bonds. These hydrocarbons' electrons [[Degenerate orbitals|pz orbitals]] [[Delocalized electron|deloc ...cells, where [[exciton]] electron-hole pairs are generated, are generally conjugated polymers possessing [[delocalized]] [[Pi bond|π electron]]s that result fro ...

...ce on which water has a contact angle of >150°. Nonpolar materials such as hydrocarbons traditionally have relatively low surface energies, however, this property ...e=2019 |title=Antibacterial Effects of Quinazolin-4(3H)-One Functionalized-Conjugated Silver Nanoparticles |journal=Antibiotics |language=en |volume=8 |issue=4 | ...

...-access=free}}</ref> Refractory DOM largely comprises highly [[Aromaticity|conjugated]] molecules like [[Polycyclic aromatic hydrocarbon]]s or [[lignin]].<ref na ...

...2016-06-01|title=Factors controlling the deuterium contents of sedimentary hydrocarbons|journal=Organic Geochemistry|volume=96|pages=43–64|doi=10.1016/j.orggeochem ...|doi=10.1016/0016-7037(76)90181-2|bibcode=1976GeCoA..40..241O}}</ref> Thus hydrocarbons formed in [[Clastic rock|clastic]] environments exchange more than those in ...