期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 60, 期 21, 页码 12132-12142出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202103178
关键词
coordination networks; flexible linkers; metallosupramolecular chemistry; pentaphosphaferrocene; supramolecules
资金
- Deutsche Forschungsgemeinschaft (DFG) [Sche 384/44-1]
- Helmholtz Association (HGF) [I-20160654, I-20180967]
- Projekt DEAL
One-pot self-assembly reactions involving a polyphosphorus complex, a coinage metal salt, and flexible aliphatic dinitriles produced coordination polymers of various dimensions. Different lengths of dinitriles at x=7 led to the formation of unprecedented 3D networks in the self-assembly system.
One-pot self-assembly reactions of the polyphosphorus complex [Cp*Fe(eta(5)-P-5)] (A), a coinage metal salt AgSbF6, and flexible aliphatic dinitriles NC(CH2)(x)CN (x=1-10) yield 1D, 2D, and 3D coordination polymers. The seven-membered backbone of the dinitrile was experimentally found as the borderline for the self-assembly system furnishing products of different kinds. At x<7, various rather simple polymers are exclusively formed possessing either 0D or 1D Ag/A structural motifs connected by dinitrile spacers, while at x >= 7, the self-assembly switches to unprecedented extraordinary 3D networks of nano-sized host-guest assemblies (SbF6)@[(A)(9)Ag-11](11+) (x=7) or (A)@[(A)(12)Ag-12](12+) (x=8-10) linked by dinitriles. The polycationic nodes represent the first superspheres based on A and silver and are host-guest able. All products are characterized by NMR spectroscopy, mass spectrometry, and single-crystal X-ray diffraction. The assemblies [(A)(12)Ag-12](12+) were visualized by transmission electron microscopy.
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