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.
引用
收藏
页码:1364 / 1370
页数:7
相关论文
共 36 条
[1]  
ATOVMYAN LO, 1974, ZH STRUKT KHIM, V15, P831
[2]  
ATOVMYAN LO, 1967, ZH STRUKT KHIM, V8, P169
[3]  
BASOLO F, 1967, MECH INORGANIC REACT, P76
[4]  
BEHRMAN EJ, 1978, 12TH MIDDL ATL REG M
[5]   OSMIUM(3)-OSMIUM(2) ELECTRODE POTENTIALS EFFECTS OF CHARGE CONJUGATION COORDINATED HALIDE AND SUBSTITUTION IN LIGAND [J].
BUCKINGHAM, DA ;
DWYER, FP ;
SARGESON, AM .
INORGANIC CHEMISTRY, 1966, 5 (07) :1243-+
[6]  
CASCIANI RV, 1978, INORG CHIM ACTA, V28, P69, DOI 10.1016/S0020-1693(00)87415-0
[7]   OSMIUM-LABELED POLYNUCLEOTIDES - REACTION OF OSMIUM-TETROXIDE WITH DEOXYRIBONUCLEIC-ACID AND SYNTHETIC POLYNUCLEOTIDES IN PRESENCE OF TERTIARY NITROGEN DONOR LIGANDS [J].
CHANG, CH ;
BEER, M ;
MARZILLI, LG .
BIOCHEMISTRY, 1977, 16 (01) :33-38
[8]   STAINING AND FIXATION OF UNSATURATED MEMBRANE LIPIDS BY OSMIUM TETROXIDE - CRYSTAL-STRUCTURE OF A MODEL OSMIUM(VI) INTERMEDIATE [J].
COLLIN, R ;
GRIFFITH, WP ;
PHILLIPS, FL ;
SKAPSKI, AC .
BIOCHIMICA ET BIOPHYSICA ACTA, 1973, 320 (03) :745-747
[9]   STAINING AND FIXATION OF UNSATURATED MEMBRANE LIPIDS BY OSMIUM TETROXIDE - CRYSTAL-STRUCTURE OF A MODEL OSMIUM(VI) DIESTER [J].
COLLIN, R ;
GRIFFITH, WP ;
PHILLIPS, FL ;
SKAPSKI, AC .
BIOCHIMICA ET BIOPHYSICA ACTA, 1974, 354 (01) :152-154
[10]  
Cotton F.A., 1974, J COORD CHEM, V3, P259