Adventitiously obtained rare-Earth peroxide complexes and their structural characterisation

Deacon, Glen B., Forsyth, Craig M., Freckmann, Dominique, Junk, Peter C., Konstas, Kristina, Luu, Jenny, Meyer, Gerd, and Werner, Daniel (2014) Adventitiously obtained rare-Earth peroxide complexes and their structural characterisation. Australian Journal of Chemistry, 67 (12). pp. 1860-1865.

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The structures of three adventitiously obtained peroxolanthanoid complexes have been determined, namely, [Yb-2(Cp)(4)(mu-O)(2/3)(mu-O-2)(1/3)(thf)(2)] (1) (Cp = cyclopentadienyl; thf = tetrahydrauran), which has disorder between the bridging oxide and peroxide, [Nd-2(o-PhPhForm)(4)(thf)(4)(mu-O-2)] (2) (o-PhPhForm = N,N'-bis(2-phenylphenyl)formamidinate), and [Eu-4(FForm)(6)(mu-OH)(2)(mu(3)-O-2)(2)(mu-diglyme)(2)]center dot 2diglyme (3) (FForm = N,N'-bis(2-fluorophenyl)formamidinate, diglyme = bis (2-methoxyethyl) ether). In the first two complexes, the peroxide bridges side-on between metals, whereas in the last complex, each peroxide bridges three metals through both oxygen atoms. The first complex was a single crystal amongst a bulk sample of [Yb(Cp)(2)(pzPh)(thf)] (pzPh = 2-(1'-pyrazolyl)phenyl), prepared by oxidation of dicyclopentadienylyt-terbium(II) by bis(2-(1'-pyrazolyl)phenyl)mercury, the structure of which was also determined and showed distorted square planar stereochemistry for mercury.

Item ID: 37483
Item Type: Article (Research - C1)
ISSN: 1445-0038
Funders: Australian Research Council (ARC)
Projects and Grants: ARC DP130100152
Date Deposited: 04 Feb 2015 07:31
FoR Codes: 03 CHEMICAL SCIENCES > 0302 Inorganic Chemistry > 030202 f-Block Chemistry @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 100%
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