Cyclooctatetraene, electrostatic potential

Electrostatic potential map for tub cyclooctatetraene shows negatively-charged regions (in red) and positively-charged regions (in blue). 

Display the electrostatic potential map for the lower-energy form of cyclooctatetraene. Where is the highest concentration of negative charge ... 

In a study on cyclobutadiene, cyclooctatetraene, and 1,4-dihydropyrazine, Murray, Seminario, and Politzer used the electrostatic potential as a probe of electron delocalization by taking the minimum along the C= C double bonds and comparing it with the minimum found in ethylene. 

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