期刊
MOLECULES
卷 16, 期 12, 页码 9957-9971出版社
MDPI
DOI: 10.3390/molecules16129957
关键词
zinc porphyrins; molecular structure; DFT theoretical calculations; IR spectra
资金
- Academic Computer Center CYFRONET AGH Krakow [KBN/SGI2800/UOpolski/012/2001]
Structural parameters of a range of over 100 meso-substituted zinc porphyrins were reviewed and compared to show how far the nature of the functional group may affect the interatomic distances and bond angles within the porphyrin core. It was proved that even despite evident deformations of the molecular structure, involving twisting of the porphyrin's central plane, the coupled pi-bonding system remains flexible and stable. DFT calculations were applied to a number of selected porphyrins representative for the reviewed compounds to emphasize the relevance of theoretical methods in structural investigations of complex macrocyclic molecular systems. Experimental and DFT-simulated IR spectral data were reported and analyzed in context of the individual molecular features introduced by the meso substituents into the porphyrin moiety base. Raw experimental spectral data, including H-1- and C-13-NMR, UV-Vis, FTIR, XRD, and other relevant physicochemical details have been provided for a specially chosen reference zinc porphyrin functionalized by tert-butylphenyl groups.
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