The polarized charge-transfer spectrum of crystalline anthracene-TNB complex
- 1 March 1961
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 4 (2) , 161-168
- https://doi.org/10.1080/00268976100100211
Abstract
The intermolecular charge-transfer spectrum of the crystalline anthracene-TNB complex has been measured, using polarized light. The crystal spectrum differs from that of the solution to a much greater degree than is the case for ordinary aromatic systems. The transition is polarized along the intermolecular axis and is blue-shifted with respect to the solution. There is pronounced vibrational structure, including a prominent 250 cm-1 interval. A Davydov splitting of approximately 200 cm-1 is observed, and this is shown to be in reasonable agreement with the known crystal structure and with the symmetry assignment of the transition, which is A′ ← A′ for the complex in solution and A ← A in the crystal.Keywords
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