Abstract
Measurements have been made of the integral Raman line strength of unsaturated phosphorus acids; it is concluded that the phosphorus-bearing group interacts with theπ-electron system of the aromatic radical in the excited state. It is found that the -PCl2, -P(O)Cl2 and -P(S) · Cl2 will show acceptor behavior in the conjugated system when interacting with donor substituents. The role of the vacant orbitals of the chlorine attached to the phosphorus is discussed.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii Fizika, No. 11, pp. 25–28, November, 1972.
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Dorokhova, V.V., Patovskii, G.V., Tomikhin, B.V. et al. Spectral effects of intramolecular interaction in the chloranhydrides of unsaturated phosphorus acids. Soviet Physics Journal 15, 1553–1556 (1972). https://doi.org/10.1007/BF01231222
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DOI: https://doi.org/10.1007/BF01231222