MONOMER-DIMER PHENOMENA IN OXOOSMIUM(VI) COMPLEXES

被引:22
作者
CHANG, CH [1 ]
MIDDEN, WR [1 ]
DEETZ, JS [1 ]
BEHRMAN, EJ [1 ]
机构
[1] OHIO STATE UNIV,DEPT BIOCHEM,COLUMBUS,OH 43210
关键词
D O I
10.1021/ic50195a042
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Both monomeric and dimeric forms of the oxoosmium(VI) complexes formed by reaction between oxoosmium(VI) species and N, N', N'-tetramethylethylenediamine have been isolated and characterized by elemental analysis, by IR, UV, and NMR spectroscopy, and by molecular weight determinations. Equilibrium constants have been measured as a function of temperature. The rate of the dimer to monomer conversion has been measured as a function of pH. Corresponding 1, 10-phenanthroline complexes have also been isolated and partially characterized largely through study of their IR spectra since, in this case, the equilibrium and solubility characteristics make studies in solution difficult. © 1979, American Chemical Society. All rights reserved.
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页码:1364 / 1370
页数:7
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