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Quantum Chemical Study of Mixed-ligand Monometallic Ruthenium(ii) Complex of Composition [(bpy)2Ru(H3Imbzim)](CLO4)2·2H2O
On the basis of density functional theoretical approach, we have assessed the ground state geometries and absorption spectra of recently synthesized monometallic ruthenium(II) complex of composition [(bpy)2Ru(H3Imbzim)](ClO4)2.2H2Owherebpy=2,2'- bypyridine and H3Imbzim = 4,5-bis(benzimidazol-2-yl)imidazole. The all different kinds of charge transfers such as ligand-ligand, and metal-ligand have been quantified, compared, and contrasted with the experimental results. In addition, the effect of solvent on excitation energies has been evaluated. In spite of some digital discrepancies in calculated and observed geometries, as well as in absorption spectra, the density functional theory (DFT) seems to explain the main features of this complex.
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