![]() The spectrums of these dyes were compared to the estimated wavelength of absorbance through the particle-in-a-box model. Come browse our large digital warehouse of free sample. In molecules with an odd number of electrons, it is possible to have transitions between the doubly occupied molecular orbitals and the singly occupied molecular orbital as well as from the singly occupied orbital to an unoccupied orbital. Electron donors and acceptors Single or odd of number of C groups Distribution over delocalized cation Exceptionally wide range of absorption UV- VIS of the. Read this essay on Absorption Spectra of Conjugated Dyes. In this way we have “discovered” the Pauli Exclusion Principle, electrons should be paired in the same energy level whenever possible, and we accept it for now because it agrees with the experimental observations of the cyanine dye spectra. Write a few paragraphs describing the origins of the absorption spectra for conjugated dye molecules using the particle-in-a-box model and the terms HOMO and LUMO.
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