DFT Study of Molecular and Electronic Structure of Y, La and Lu Complexes with Porphyrazine and Tetrakis(1,2,5-thiadiazole)porphyrazine

Electronic and geometric structures of Y, La and Lu complexes with porphyrazine (Pz) and tetrakis(1,2,5-thiadiazole)porphyrazine (TTDPz) were investigated by density functional theory (DFT) calculations and compared. The nature of the bonds between metal atoms and nitrogen atoms has been described u...

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2020-12, Vol.26 (1), p.113
Main Authors: Zhabanov, Yuriy A, Ryzhov, Igor V, Kuzmin, Ilya A, Eroshin, Alexey V, Stuzhin, Pavel A
Format: Article
Language:English
Subjects:
1,2,5-thiadiazole annulated
Chemical bonds
Density distribution
Density functional theory
DFT study
Electron density
Electronic spectra
Electronic structure
Infrared spectroscopy
Investigations
Ligands
Metals
molecular and electronic structure
Molecular structure
Nitrogen
Nitrogen atoms
porphyrazine
Potential energy
Quantum theory
Thiadiazoles
Vibrations
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Summary:Electronic and geometric structures of Y, La and Lu complexes with porphyrazine (Pz) and tetrakis(1,2,5-thiadiazole)porphyrazine (TTDPz) were investigated by density functional theory (DFT) calculations and compared. The nature of the bonds between metal atoms and nitrogen atoms has been described using the analysis of the electron density distribution in the frame of Bader's quantum theory of atoms in molecule (QTAIM). Simulation and interpretation of electronic spectra were performed with use of time-dependent density functional theory (TDDFT) calculations. Description of calculated IR spectra was carried out based on the analysis of the distribution of the potential energy of normal vibrations by natural vibrational coordinates.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules26010113