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Author Spotlight: Accelerating Discovery in Microporous Material Chemistry
Published on: October 6, 2023
Adaptive Coordination Behavior of Bisphosphanylphosphanido-Ligands Toward Group 2, 11 and 12 Metal Ions
Dennis Langgut1, Clemens Bruhn1, Rudolf Pietschnig1
1Institute for Chemistry, University of Kassel, Heinrich-Plett-Straße 40, 34132, Kassel, Germany.
Abstract:
A series of alkaline earth metal complexes (Mg-Ba) with the anionic ferrocenylene-bridged bisphosphanylphosphanide ligand [Fe(C5H4PC4H9)2P]- has been prepared by metalation of the corresponding bisphosphanylhydrophosphane (Fe(C5H4PC4H9)2PH). The resulting complexes have been characterized by multinuclear NMR spectroscopy and SC-XRD. Furthermore, the closely related zinc phosphanide, and rare, mononuclear coinage metal phosphanides were synthesized and investigated for comparison. The range of coordination modes observed for the phosphanide ligand included mono-, bi-, and tridentate modi and their respective combinations, whereas no μ2-bridging of the phosphanide center has been observed. The value of the 1JPP coupling constant was found to be a good probe to track the coordination motif consistent with the situation in solid state.
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