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Preparation, X-ray structural analysis and some properties of dichlorotetrakis(n-butyrato)diosmium(III) by T.A. Stephenson; D.A. Tocher; M.D. Walkinshaw is a Chemistry article available to read on EtoBox.
What is Preparation, X-ray structural analysis and some properties of dichlorotetrakis(n-butyrato)diosmium(III) about?
The paramagnetic compounds [OS2 (OCOR)4Cl2] (R = n-C 3H 7 , C 2Hs, CH 2CI) have been synthesised by reaction of [Os(OCOCH 3 )2CI]n with the appropriate acids and the binuclear tetracarboxylate bridged structure confirmed by X-ray analysis for R = n-C 3H 7 , (Os-rOs distance 2.301 A; cf. the related [OS2 (hp )4CI2]-(CH 3CNh; Os-Os, 2.357 A) (hp = 2-hydroxypyridine anion). \*This complex, prepared in 25% yield in our laboratory [3], by reaction of Na 2 [OsCI 6 ] with acetic acid/acetic anhydride has been obtained very recently [4] in higher yield (55%) bv addition of a little concentrated hvdrochloric acid to this reaction mixture. \*\*However, in the mass spectra of all these compounds the appearance of the parent ions [Os2(OCOR)4CI2] +, together with fragmentation patterns corresponding to successive loss of two chloride groups strongly support their formulation as binuclear species.
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- Author
- T.A. Stephenson; D.A. Tocher; M.D. Walkinshaw
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-328X)
- Published
- 1982
- Language
- EN
- Field
- Chemistry (Physical Sciences)