Reactions of nitroplatinum complexes. 1. 15N and 195Pt NMR spectra of platinum(II) nitrite complexes

Appleton T.G., Barnham K.J., Hall J.R. and Mathieson M.T. (1991) Reactions of nitroplatinum complexes. 1. 15N and 195Pt NMR spectra of platinum(II) nitrite complexes. Inorganic Chemistry, 30 13: 2751-2756.

Author Appleton T.G.
Barnham K.J.
Hall J.R.
Mathieson M.T.
Title Reactions of nitroplatinum complexes. 1. 15N and 195Pt NMR spectra of platinum(II) nitrite complexes
Journal name Inorganic Chemistry   Check publisher's open access policy
ISSN 0020-1669
Publication date 1991
Sub-type Article (original research)
Volume 30
Issue 13
Start page 2751
End page 2756
Total pages 6
Subject 1604 Human Geography
Abstract 15N and 195Pt NMR spectra have been used to characterize the products of reaction of Pt(15NO2)42- with sulfamic acid, Pt(15N-O2)3(H2O)- and cis-Pt(15NO2)2(H2O)2, and the hydroxo complexes Pt(15NO2)3(OH)2- and cis-Pt(NO2)2(OH)2 2- derived from them by deprotonation. At intermediate pH values, the dinitro complexes rapidly form the hydroxo-bridged compounds [{Pt-(15NO2)2(μ-OH)}n] 1- (n = 2, 3). The acid dissociation constant for Pt(15NO2)3(H2O)- (pKa 5.32) was determined from the variation with pH of δN for nitro ligands cis to water/hydroxide. 15N and 195Pt NMR parameters were obtained for the series Pt(15NO2)3Zm-. The changes in these parameters as Z was changed correlated with those in the series Pt(15NH3)3Zn+. δN and J(Pt-N) values are much more sensitive to change in the ligand Z for the nitro ligand trans to Z than for that cis to Z.
Q-Index Code C1
Q-Index Status Provisional Code
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Document type: Journal Article
Sub-type: Article (original research)
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