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Bis(1,2-dithiosquarato)nickelates(II): Synthesis, Structure, EPR and Thermal Behavior

  • 1,2-Dithiosquaratonickelates are available by direct synthesis from metal salts with dipotassium-1,2-dithiosquarate and the appropriate counter cations. The synthesis and characterization, including mass spectrometry, of a series 1,2-dithiosquaratonickelates(II), [Ni(dtsq)(2)](2-), with several "onium" cations is reported and the X-ray structures of two diamagnetic complexes, (HexPh(3)P)(2)[Ni(dtsq)(2)] and (BuPh3P)(2)[Ni(dtsq)(2)] with sterically demanding counter ions are presented. The diamagnetic nickel complexes have been doped as host lattices with traces of Cu(II) to measure EPR for additional structural information. The thermal behavior of this series is studied by thermogravimetry and differential thermal analysis (TG/DTA). The thermolysis in air as well as under nitrogen atmosphere of these complexes results in nickel oxide nano-particles in all cases, which are characterized by X-ray powder diffraction.

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Author:Peter StrauchGND, Mike Neumann, Alexandra Kelling, Uwe SchildeORCiDGND
ISSN:1318-0207 (print)
ISSN:1580-3155 (online)
Pubmed Id:http://www.ncbi.nlm.nih.gov/pubmed?term=26085409
Parent Title (English):Acta chimica Slovenica
Place of publication:Ljubljana
Document Type:Article
Year of first Publication:2015
Year of Completion:2015
Release Date:2017/03/27
Tag:1,2-Dithiosquarate,1,2-Dithiosquaratonickelate; EPR spectroscopy; Nickel oxide; TG/DTA; X-ray structure
First Page:288
Last Page:296
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Chemie
Peer Review:Referiert
Publication Way:Open Access