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Novel Polynuclear Nickel(II) Complex: Hydrazine, Sulfato, and Hydroxo Bridging in an Unusual Metal Hexamer. Crystal Structure and Magnetic Properties of [Ni-6(N2H4)(6)(SO4)(4)(OH)(2)(H2O)(8)](SO4)(H2O)(10)
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Inorganic Chemistry.
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2010 (English)In: Inorganic Chemistry, ISSN 0020-1669, E-ISSN 1520-510X, Vol. 49, no 12, 5359-5361 p.Article in journal (Refereed) Published
Abstract [en]

A reaction between nickel(II) sulfate and hydrazine in aqueous solution yields blue crystals of [Ni-6(N2H4)(6)(SO4)(4)(OH)(2)(H2O)(8)] (SO4)(H2O)(10). The compound has been characterized by single, crystal and powder X-ray diffraction, vibrational spectroscopy, as well as variable-temperature magnetic susceptibility. This is the first reported crystal structure of the nickel(II) complex with hydrazine. The complex cation in the compound has a remarkable structure with unusual diversity of bridging groups including hydrazine molecules, sulfate ions, and hydroxo groups. Hydrazine molecules bridge nickel ions into trimers, which are further linked into hexamers through bridging sulfates. The magnetic susceptibility study of the compound reveals antiferromagnetic interaction between nickel(II) ions in the polynuclear complex.

Place, publisher, year, edition, pages
2010. Vol. 49, no 12, 5359-5361 p.
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Chemical Sciences
URN: urn:nbn:se:kth:diva-27507DOI: 10.1021/ic100648cISI: 000278615700009ScopusID: 2-s2.0-77953556371OAI: diva2:386073
QC 20110112Available from: 2011-01-12 Created: 2010-12-13 Last updated: 2011-01-12Bibliographically approved

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