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Updated: May 10, 2026

Synthesis and Characterization of Functionalized Metal-organic Frameworks
Published on: September 5, 2014
Tuning stoichiometry and supramolecular assembly in perfluorinated indazolato coinage metal complexes
Michael Kleinwächter1, Laure Vendier, Chiara Dinoi
1CNRS, Laboratoire de Chimie de Coordination, BP 44099, 205 route de Narbonne, F-31077 Toulouse, France.
Abstract:
The reaction of 3-pentafluoroethyl-4,5,6,7-tetrafluoro-1-H-indazole [3-(C2F5)IndF4]H with Ag2O or [Cu(CH3CN)4]BF4 leads to the formation of two different types of complexes: a trinuclear {[3-(C2F5)IndF4]Ag}3 complex (1) in the case of silver, and an unprecedented type of pentanuclear complex [Et3NH]{Cu5[3-(C2F5)IndF4]6} (2) in the case of copper. When crystallised from Et2O, appears as a dimer with d(10)-d(10) interactions. When crystallized from toluene, affords the [(toluene)(1)(toluene)] adduct, testifying to its strong π-acid properties. The formation and the aggregation pattern of 1 and 2 can be traced to the extended aromaticity and high electron withdrawing properties of the perfluorinated [3-(C2F5)IndF4](-) indazolate.
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