|
== Escala de electrofilia ==
{|align="right" class="wikitable"
|colspan=2 align="center"|'''Electrophilicityíndice indexde electrofilia'''
|-
|| [[FluorineFlúor]]||3.,86
|-
||[[ChlorineCloro]]||3.,67
|-
|| [[BromineBromo]]||3.,40
|-
|| [[IodineIodo]]||3.,09
|-
|| [[HypochloriteHipoclorito]]||2.,52
|-
|| [[SulfurDióxido dioxidede xofre]]||2.,01
|-
|| [[CarbonDisulfuro disulfidede carbono]]||1.,64
|-
|| [[BenzeneBenceno]]||1.,45
|-
|| [[SodiumSodio]]||0.,88
|-
|Colspan=2|Some selected values <ref name=Parr/> (no dimensions)
|}
SeveralHai methodsvarios existmétodos topara ranksituar electrophilesos inelectrófilos orderpor oforde reactivityde reactividade<ref>Electrophilicity Index Chattaraj, P. K.; Sarkar, U.; Roy, D. R. [[Chem. Rev.]]; (Review); '''2006'''; 106(6); 2065-2091. {{DOI|10.1021/cr040109f}}</ref> ande oneun ofdeles themé iso devisedideado bypor [[Robert Parr]] <ref name=Parr>''Electrophilicity Index''
Parr, R. G.; Szentpaly, L. v.; Liu, S. [[J. Am. Chem. Soc.]]; (Article); '''1999'''; 121(9); 1922-1924. {{DOI|10.1021/ja983494x}}</ref> withno theque o '''electrophilicityíndice indexde electrofilia''' [[omega|ω]] givenvén dado aspor:
:<math>\omega = \frac{\chi^2}{2\eta}\,</math>
withonde <math>\chi\,</math> theé a [[electronegativityelectronegatividade]] ande <math>\eta\,</math> é a [[chemicaldureza hardnessquímica]]. ThisEsta equationecuación isestá relatedrelacionada tocoa classicalclásica equationecuación forda [[electric power|electricalpotencia powereléctrica]]:
:<math>P = \frac{V^2}{R}\,</math>
whereonde <math>R\,</math> isé thea [[Electricalresistencia resistance|resistanceeléctrica]] ([[Ohm]] orou Ω) ande <math>V\,</math> isé a [[voltagevoltaxe]]. InNeste thissentido senseo theíndice electrophilicityde indexelectrofilia isé aun kindtipo ofde electrophilicpotencia powereléctrica. CorrelationsAtipáronse havecorrelacións beenentre founda betweenelectrofilia electrophilicityde ofvarios variouscompostos chemicalquímicos compoundse andas reactionvelocidades ratesde in biochemical systems and such phenomena asreacción allergicen contactsistemas dermititisbioquímicos.
AnTamén electrophilicityhai indexun alsoíndice existsde forelectrofilia para [[free radical libre|radicais libres]]s.<ref>''Electrophilicity and Nucleophilicity Index for Radicals'' Freija De Vleeschouwer, Veronique Van Speybroeck, Michel Waroquier, Paul Geerlings, and Frank De Proft Org. Lett.; 2007; 9(14) pp 2721 - 2724; (Letter) {{doi|10.1021/ol071038k}}</ref> StronglyOs electrophilicradicais radicalsfortemente suchelectrofílicos ascomo theos halogenshalóxenos reactreaccionan withcon electron-richsitios reactionricos sitesen electróns, ande stronglyos nucleophilicradicais radicalsfortemente suchnucleofílicos ascomo theo 2-hydroxypropylhidroxipropil-2-ylil ande o radical [[tert-butylbutil]] radicalreaccionan reactcon withpreferencia acon preferencesitios for electron-poorpobres reactionen siteselectróns.
== Superelectrófilos ==
| 