Designed synthesis of mononuclear tris(heteroleptic) ruthenium complexes containing bidentate polypyridyl ligands
Anderson, Peter A., Deacon, Glen B., Haarmann, Klaus H., Keene, F. Richard, Meyer, Thomas J., Reitsma, David A., Skelton, Brian W., Strouse, Geoffery F., Thomas, Nicholas C., Treadway, Joseph A., and White, Allan H. (1995) Designed synthesis of mononuclear tris(heteroleptic) ruthenium complexes containing bidentate polypyridyl ligands. Inorganic Chemistry, 34 (24). pp. 6145-6157.
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A general synthetic methodology is reported for tris(bidentate)ruthenium(II) complexes containing three different polypyridyl ligands, based on the sequential addition of the ligands to the oligomer [Ru(CO)₂Cl₂](subscript n). The tris(heteroleptic) complexes were characterized by FAB mass spectrometry and NMR spectroscopy. An X-ray crystal structure determination was made for the complex, [Ru(Me₂bpy)(phen)(bpa)](PF₆)₂. C₆H₁₄·[C₄ₒH₄₃F₁₂N₇P₂Ru, M = 1062.8; Me(2)bpy = 4,4'-dimethyl-2,2'-bipyridine, phen = 1,10-phenanthroline, bpa = bis(2-pyridyl)amine]: triclinic, space group <P1, a = 14.57(3) Å, b = 13.50(3) Å, c = 12.73(3) Å, α = 68.6(2)°, β = 63.5(1)°, γ = 79.8(2)°, V = 2082 Å(3), Z = 2. Aspects of the electrochemistry, spectroscopy, and photophysics of the tris(heteroleptic) species are discussed.
|Item Type:||Article (Refereed Research - C1)|
|Keywords:||transfer excited-states; trimethylamine n-oxide; fast-atom-bombardment; emission spectral profiles; tris chelate complexes; bpy = 2,2'-bipyridine; ray crystal-structure; energy-gap law; carbonyl-complexes; mass-spectrometry|
|Date Deposited:||16 Aug 2012 06:35|
|FoR Codes:||03 CHEMICAL SCIENCES > 0302 Inorganic Chemistry > 030207 Transition Metal Chemistry @ 100%|
|SEO Codes:||97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 100%|
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