Resonance Raman spectroscopy study of protonated porphyrin

Resonance Raman spectroscopy study of protonated porphyrin

Resonance Raman microscopy was used to study the resonance Raman scattering of the diacid (diprotonated form) of free-base porphyrin (21H,23H-porphine) in a crystal powder and KBr pellets. Intensive lines in the spectral range between 100 ¸ 1000 cm-1 have been detected and assigned as spectral manif...

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Hauptverfasser: A. Gorski, A. Starukhin, S. Stavrov, S. Gawinkowski, J. Waluk
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Raman microscopy, protonated porphyrin, distortion of porphyrin macrocycle, out-of-plane modes, DFT analysis and modeling
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creator A. Gorski
A. Starukhin
S. Stavrov
S. Gawinkowski
J. Waluk
description Resonance Raman microscopy was used to study the resonance Raman scattering of the diacid (diprotonated form) of free-base porphyrin (21H,23H-porphine) in a crystal powder and KBr pellets. Intensive lines in the spectral range between 100 ¸ 1000 cm-1 have been detected and assigned as spectral manifestation of out-of-plane modes. The Raman spectra were simulated by means of DFT methods and compared with the experimental data. It is evident from experimental and theoretical results that the activation of out-of-plane modes arises from saddle distortion of the porphyrin macrocycle upon formation of its diprotonated form.
doi_str_mv 10.5281/zenodo.2595941
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Waluk</creatorcontrib><description>Resonance Raman microscopy was used to study the resonance Raman scattering of the diacid (diprotonated form) of free-base porphyrin (21H,23H-porphine) in a crystal powder and KBr pellets. Intensive lines in the spectral range between 100 ¸ 1000 cm-1 have been detected and assigned as spectral manifestation of out-of-plane modes. The Raman spectra were simulated by means of DFT methods and compared with the experimental data. 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subjects Raman microscopy, protonated porphyrin, distortion of porphyrin macrocycle, out-of-plane modes, DFT analysis and modeling
title Resonance Raman spectroscopy study of protonated porphyrin
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