Equatorially connected diruthenium(II,III) units toward paramagnetic supramolecular structures with singular magnetic properties

Inorganic Chemistry
M Carmen BarralF A Urbanos

Abstract

The reaction of Ru2Cl(O2CMe)(DPhF)3 (DPhF = N,N'-diphenylformamidinate) with mono- and polycarboxylic acids gives a clean substitution of the acetate ligand, leading to the formation of complexes Ru2Cl(O2CC6H5)(DPhF)3 (1), Ru2Cl(O2CC6H4-p-CN)(DPhF)3 (2), [Ru2Cl(DPhF)3(H2O)]2(O2C)2 (3), [Ru2Cl(DPhF)3]2[C6H4-p-(CO2)2] (4), and [Ru2Cl(DPhF)3]3[C6H3-1,3,5-(CO2)3] (5). The preparation of [Ru2(NCS)(DPhF)3]3[C6H3-1,3,5-(CO2)3] (6) and {[Ru2(DPhF)3(H2O)]3[C6H3-1,3,5-(CO2)3]}(SO3CF3)3 (7) from 5 is also described. All complexes are characterized by elemental analysis, IR and electronic spectroscopy, mass spectrometry, cyclic voltammetry, and variable-temperature magnetic measurements. The crystal structure determinations of complexes 2.0.5THF and 3.THF.4H2O (THF = tetrahydrofuran) are reported. The reactions carried out demonstrate the high chemical stability of the fragment [Ru2(DPhF)3]2+, which is preserved in all tested experimental conditions. The stability of this fragment is also corroborated by the mass spectra. Electrochemical measurements reveal in all complexes one redox process due to the equilibrium Ru2(5+) <--> Ru2(6+). In the polynuclear complex 7, some additional oxidation processes are also observed that have been ascrib...Continue Reading

References

Oct 17, 2001·Accounts of Chemical Research·F A CottonC A Murillo
Oct 24, 2001·Inorganic Chemistry·Fabio D. CukiernikPascale Maldivi
Mar 14, 2002·Proceedings of the National Academy of Sciences of the United States of America·F Albert CottonCarlos A Murillo
Aug 21, 2003·Journal of the American Chemical Society·Panagiotis AngaridisXiaoping Wang
Dec 23, 2004·Angewandte Chemie·M Carmen BarralFrancisco A Urbanos
Jan 13, 2005·Chemical Communications : Chem Comm·Jie-Wen YingTong Ren

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Citations

Apr 27, 2011·Inorganic Chemistry·Tanaya KunduGoutam Kumar Lahiri
Sep 10, 2011·Inorganic Chemistry·William P ForrestTong Ren
Sep 20, 2012·Inorganic Chemistry·Emily V Eames, Theodore A Betley
Jan 12, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Amanda R Corcos, John F Berry
Mar 13, 2008·Dalton Transactions : an International Journal of Inorganic Chemistry·James P Donahue, Carlos A Murillo
Jul 25, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·Raquel Gracia, Nathan J Patmore
Dec 30, 2009·Inorganic Chemistry·Darryl A BoydTong Ren
May 16, 2020·Inorganic Chemistry·Isabel ColomaSantiago Herrero
Mar 7, 2007·Journal of the American Chemical Society·Jason M NicholsMichael P Doyle

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