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The pi-electron in benezene (C6H6) ring can be approximated as having 2-dimensional rotaional motion. Calculate the...

The pi-electron in benezene (C6H6) ring can be approximated as having 2-dimensional rotaional motion. Calculate the diameter of the ring given that the electron transition from rotational state, m1=3 to ml=4 occurs at 260.0 nm.

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