Binuclear C not equal to Cyclometalated Platinum(II) NHC Complexes with Bridging Amidinate Ligands

Binuclear C not equal to * cyclometalated NHC platinum(II) compounds with bridging amidinate ligands were synthesized to evaluate their photophysical properties. Their three-dimensional structures were determined by a combination of 2D NMR experiments, mass spectrometry, DFT calculations, and solid-...

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Published inAngewandte Chemie Vol. 128; no. 51; pp. 16011 - 16014
Main Authors Leopold, Hendrik, Tenne, Mario, Tronnier, Alexander, Metz, Stefan, Muenster, Ingo, Wagenblast, Gerhard, Strassner, Thomas
Format Journal Article
LanguageEnglish
Published 01.12.2016
Subjects
Bridging
Ligands
Mass spectrometry
Mathematical analysis
Platinum
Structural analysis
Synthesis
Two-dimensional analysis
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Summary:Binuclear C not equal to * cyclometalated NHC platinum(II) compounds with bridging amidinate ligands were synthesized to evaluate their photophysical properties. Their three-dimensional structures were determined by a combination of 2D NMR experiments, mass spectrometry, DFT calculations, and solid-state structure analysis. The bridging amidinate ligands enforce short distances between the platinum centers of the two cyclometalated structures, which gives rise to extraordinary photophysical properties.Original Abstract: Zwei phosphoreszierende zweikernige C not equal to *-cyclometallierte Platin(II)-Komplexe mit verbrueckenden N,N-Diphenylformamidinat-Liganden wurden synthetisiert und mithilfe von 2D-NMR-Spektroskopie, Massenspektrometrie, DFT-Rechnungen und Rontgenstrukturanalyse charakterisiert. Aufgrund der verbrueckenden Amidinat-Liganden sind die zwei Platin-Zentren nah beieinander, was zu ausergewohnlichen photophysikalischen Eigenschaften fuehrt.
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ISSN:0044-8249
1521-3757
DOI:10.1002/ange.201607075