Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2009-07-15

Intermolecular interactions in solutions of some amino-nitro-benzene derivatives, studied by spectral means.

Dana-Ortansa Dorohoi, Anton Airinei, Mihaela Dimitriu

Index: Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 73(2) , 257-62, (2009)

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Abstract

The spectral shifts in the visible electronic absorption spectra of three amino-nitro-benzene derivatives in different solvents were correlated with the macroscopic parameters (refractive index and electric permittivity) of the solvents. The wavenumbers in the maximum of the visible charge transfer absorption band of o-nitro-aniline, 4-amino-3-nitrophenol and 3-amino-4-nitrophenol depend linearly on the Baur-Nicol function of electric permittivity. This dependence allows to estimate the electric polarizability in the electronic excited states if the electric polarizability in the ground state of the spectrally active molecule is determined by other procedures, such as by quanto-mechanical calculations.

Related Compounds

  • 3-Nitrophenol

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