Abstract
The first detailed study of the electronic spectrum of 1,8-naphthyridine is reported. Absorption and emission spectra were recorded of 1,8-naphthyridine in solution, stretched polyethylene film, and various mixed-crystal systems. The π* ← π band systems in the absorption spectrum correspond to perturbed naphthalene transitions. The lowest-energy π* ← n band system is consistent with the predictions of simple through-bond coupling calculations, and a possible second π * ← n system is reported. The phosphorescence spectrum is caused by a 3(π*, π) state and yields useful vibrational information. The mixed-crystal spectra provide evidence of significant guest—host interactions, including a substantial interaction between intramolecular vibrations and phonon modes.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
