0000000001301026
AUTHOR
Marinez M. Da Costa
Crystal Engineering Applied to Modulate the Structure and Magnetic Properties of Oxamate Complexes Containing the [Cu(bpca)]+ Cation
This work deals with the crystal engineering features of four related copper(II)-based compounds with formulas {[{Cu(bpca)}2(H2ppba)]·1.33DMF·0.66DMSO}n (2), [{Cu(bpca)(H2O)}2(H2ppba)] (3), [{Cu(bpca)}2(H2ppba)]·DMSO (4), and [{Cu(bpca)}2(H2ppba)]·6H2O (5) [H4ppba = N,N′-1,4-phenylenebis(oxamic acid) and Hbpca = bis(2-pyridylcarbonyl)amide] and how their distinct molecular and crystal structures translate into their different magnetic properties. 2 and 3 were obtained through the hydrolytic reaction of the double-stranded oxamato-based dipalladium(II) paracyclophane precursor of formula [{K4(H2O)2}{Pd2(ppba)2}] (1) with the mononuclear copper(II) complex [Cu(bpca)(H2O)2]+, either in a water…
Palladium(II)–Copper(II) Assembling with Bis(2-pyridylcarbonyl)amidate and Bis(oxamate) Type Ligands
Five new complexes of formula K4[Pd2(mpba)2] · 4H2O (1), {[K4(H2O)(dmso)][Pd2(mpba)2]} (2), {[Cu(bpca)]4[Pd2(mpba)2]} · 6H2O (3), {[Cu(bpca)]2[Pd(opba)]} · 1.75dmso · 0.25H2O (4), {[Cu(bpca)]2[Pd(opba)]}n · ndmso (5) [H4mpba =1,3-phenylenebis(oxamic acid), H4opba = 1,2-phenylenebis(oxamic acid), Hbpca = bis(2-pyridylcarbonyl)amide, and dmso = dimethyl sulfoxide] have been prepared and investigated by infrared spectroscopy, thermal analysis, single crystal X-ray diffraction, and magnetic susceptibility techniques. The structure of 2 consists of a [Pd2(mpba)2]4– anionic entity in which the palladium(II) cations are coordinated by two mpba ligands resulting in a dipalladium(II) unit that acts …
CCDC 1469224: Experimental Crystal Structure Determination
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CCDC 1034456: Experimental Crystal Structure Determination
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CCDC 1469225: Experimental Crystal Structure Determination
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CCDC 1469223: Experimental Crystal Structure Determination
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CCDC 1469222: Experimental Crystal Structure Determination
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CCDC 1034455: Experimental Crystal Structure Determination
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CCDC 1034458: Experimental Crystal Structure Determination
Related Article: Willian X. C. Oliveira, Marcos A. Ribeiro, Carlos B. Pinheiro, Marinez M. da Costa, Ana Paula S. Fontes, Wallace C. Nunes, Danielle Cangussu, Miguel Julve, Humberto O. Stumpf, Cynthia L. M. Pereira|2015|Cryst.Growth Des.|15|1325|doi:10.1021/cg5017388
CCDC 1469226: Experimental Crystal Structure Determination
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CCDC 1034457: Experimental Crystal Structure Determination
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