Journal
INORGANIC CHEMISTRY
Volume 60, Issue 8, Pages 6027-6039Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.1c00494
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- Deutsche Forschungsgemeinschaft (DFG) [Sche384/42-1]
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The self-assembly processes of pentaphosphaferrocenes with Au salts of different anions have been reported, leading to various molecular coordination products and the first coordination polymers based on polyphosphorus ligand complexes and Au salts. The study also isolated a 2D coordination polymer comprising metal vacancies. The coordination of Au centers in the products is either linear or trigonal planar, with highly dynamic processes observed in solution.
Whereas the self-assembly of pentaphosphaferrocenes [(CpFe)-Fe-R(eta(5)-P-5)] (Cp-R = Cp*, Cp-x, and Cp-Bn) with Cu and Ag salts has been well-studied in the past, the coordination chemistry toward Au complexes has been left untouched so far. Herein, the results of the self-assembly processes of [(CpFe)-Fe-R(eta(5)-P-5)] with Au salts of different anions (GaCl4-, SbF6-, and Al(OC(CF3)(3))(4) (TEF-)) are reported. Next to a variety of molecular coordination products, the first coordination polymers based on polyphosphorus ligand complexes and Au salts are also obtained. Thereby, a 2D coordination polymer comprising metal vacancies is isolated. In all products, the Au centers are coordinated in a linear or a trigonal planar environment. In solution, highly dynamic processes are observed. Variable-temperature NMR spectroscopy, solid-state NMR spectroscopy, and X-ray powder diffraction were applied to gain further insight into selected coordination compounds.
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