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Crystal structures and spectroscopic properties of palladium complexes isolated from Pd–EDTA solutions
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
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2005 (English)In: Inorganica Chimica Acta, ISSN 0020-1693, E-ISSN 1873-3255, Vol. 358, no 3, 527-534 p.Article in journal (Refereed) Published
Abstract [en]

Two complexes were isolated from aqueous Pd(NO3)2–Na2H2EDTA solutions and studied by single crystal X-ray diffraction, IR/Raman spectroscopy, and photoelectron spectroscopy. The first complex, Pd(Hkpda)2 (kpda = ketopiperazinediacetate dianion, C8H10N2O5), forms yellow parallelepipeds during slow evaporation of Pd(NO3)2–Na2H2EDTA solution at 25 °C, and is a result of EDTA oxidation. The second one, [Pd(μ-H2EDTA)]2 · 2NaNO3 · 7.5H2O, with two EDTA molecules acting as bridges between two palladium atoms, forms yellow bipyramides during fast evaporation at 60 °C. In both complexes, the palladium atoms adopt a planar trans-geometry by bonding to two nitrogen and two oxygen atoms of two ligand molecules.

Place, publisher, year, edition, pages
Elsevier , 2005. Vol. 358, no 3, 527-534 p.
Keyword [en]
Palladium, EDTA, kpda, Crystal structure
Identifiers
URN: urn:nbn:se:umu:diva-14365DOI: doi:10.1016/j.ica.2004.09.027OAI: oai:DiVA.org:umu-14365DiVA: diva2:154036
Available from: 2007-05-29 Created: 2007-05-29 Last updated: 2017-12-14Bibliographically approved

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Kaplun, MarinaBoström, DanShchukarev, AndreyPersson, Per
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