Use the "polygon-in-circle" method to draw an MO diagram showing the pi-electron distribution pattern in the cycloheptatrienyl cation.How is this diagram useful in explaining the antiaromatic properties of this anion? 
Definitions:
Physiological Needs
The most basic human needs to be satisfied—water, food, shelter, and clothing.
Hygiene Factor
In Herzberg's motivation theory, factors that can cause dissatisfaction if absent but do not necessarily motivate if present, such as safe working conditions, salary, and company policies.
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