The 2D particle in a box model can be used to describe the spectra of aromatic hydrocarbons. Assume a rectangular box that extends one bond length beyond the carbon atoms to contain the hydrogen atoms in the box. Hint: You will have to use some trigonometry basics to get the relevant dimensions. Calculate the first three electronic transitions for pyrene (bond length 1.42 Angstroms).

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Q: determine the ground state term symbol for 4d75d1

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A: Solution -

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