15N N.M.R. study of some palladium(II) ammine complexes

Appleton T.G., Hall J.R., Ralph S.F. and Thompson C.S.M. (1988) 15N N.M.R. study of some palladium(II) ammine complexes. Australian Journal of Chemistry, 41 9: 1425-1432. doi:10.1071/CH9881425


Author Appleton T.G.
Hall J.R.
Ralph S.F.
Thompson C.S.M.
Title 15N N.M.R. study of some palladium(II) ammine complexes
Journal name Australian Journal of Chemistry   Check publisher's open access policy
ISSN 1445-0038
Publication date 1988-01-01
Sub-type Article (original research)
DOI 10.1071/CH9881425
Open Access Status
Volume 41
Issue 9
Start page 1425
End page 1432
Total pages 8
Subject 1600 Chemistry
Abstract Palladium(II) ammine complexes enriched in 15N give sharp singlets in their 15N n.m.r. spectra. The 15N chemical shifts depend primarily on the trans donor atom, in a qualitatively similar way to those for platinum(II) ammine complexes. A dimethylformamide solution of Pd(NH3)2Cl2 prepared in the usual way gave a single peak, consistent with the presence of only one isomer (trans). Reactions of increasing amounts of aqueous perchloric acid with Pd(NH3)4 2+ allowed peaks to be identified for Pd(NH3)3(H2O)2+, cis-Pd(NH3)2(H2O)2 2+and Pd(NH3)(H2O)3 2+ The initial product of the reaction of trans-Pd(NH3)2Cl2 with silver ion is trans-Pd(NH3)2(H2O)2 2+, which rapidly disproportionates to Pd(NH3)3(H2O)2+and Pd(NH3)(H2O)3 2+ With standing, subsequent reactions ultimately produce a solution containing predominantly cis-Pd(NH3)2(H2O)2 2+ in equilibrium with small amounts of the tri-and mono-ammine complexes, and free ammonia.
Q-Index Code C1
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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