Iridium(III) and Platinum(II) complexes with metallated and chelating benzothiazole derivatives: Structural, optical, and electrochemical properties

Iridium(III) and Platinum(II) complexes with metallated and chelating benzothiazole derivatives:... The structures of the Ir(III) and Pt(II) complexes with metallated 2-phenylbenzothiazole (Bt) and chelating 2-(2-hydroxo)phenylbenzothiazole (Hbt) in the crystalline state and in a CDCl3 solution are studied by X-ray diffraction analysis and 1H NMR spectroscopy. The structures of the complexes are shown to be cis-C,C-[Ir(Bt)2(HBt)] (I) and trans-N,N-[Pt(Bt)(HBt)] (II) (CIF files CCDC 996857 (I) and 995845 (II)). Based on the results of absorption and emission electron spectroscopy, the highest occupied and lowest unoccupied molecular orbitals (HOMO and LUMO) determining the character of long-wavelength optical bands and electrochemical processes are assigned to the orbitals predominantly localized on the {Ir(Bt)} fragment for complex I, whereas for complex II the LUMO is localized on {Pt(Bt)} and the HOMO is localized on the {Pt(HBt)} fragment. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Coordination Chemistry Springer Journals

Iridium(III) and Platinum(II) complexes with metallated and chelating benzothiazole derivatives: Structural, optical, and electrochemical properties

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Physical Chemistry; Inorganic Chemistry
ISSN
1070-3284
eISSN
1608-3318
D.O.I.
10.1134/S1070328415010042
Publisher site
See Article on Publisher Site

Abstract

The structures of the Ir(III) and Pt(II) complexes with metallated 2-phenylbenzothiazole (Bt) and chelating 2-(2-hydroxo)phenylbenzothiazole (Hbt) in the crystalline state and in a CDCl3 solution are studied by X-ray diffraction analysis and 1H NMR spectroscopy. The structures of the complexes are shown to be cis-C,C-[Ir(Bt)2(HBt)] (I) and trans-N,N-[Pt(Bt)(HBt)] (II) (CIF files CCDC 996857 (I) and 995845 (II)). Based on the results of absorption and emission electron spectroscopy, the highest occupied and lowest unoccupied molecular orbitals (HOMO and LUMO) determining the character of long-wavelength optical bands and electrochemical processes are assigned to the orbitals predominantly localized on the {Ir(Bt)} fragment for complex I, whereas for complex II the LUMO is localized on {Pt(Bt)} and the HOMO is localized on the {Pt(HBt)} fragment.

Journal

Russian Journal of Coordination ChemistrySpringer Journals

Published: Jan 7, 2015

References

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