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Citation: Sun Hongliang. Effect of Ligand Structure on Intramolecular Aromatic Ring Stacking in Ternary Mixed-Ligand Complexes[J]. Chinese Journal of Applied Chemistry, ;1996, 13(1): 47-49. shu

Effect of Ligand Structure on Intramolecular Aromatic Ring Stacking in Ternary Mixed-Ligand Complexes

Sun Hongliang

1.
Department of Food, Hangzhou Institute of Commerce, Hangzhou 310035

Received Date: 25 May 1995
Available Online: 25 September 1995
Fund Project:

The stability constants of the binary complexes Pd(CA)⁺ and the ternary complexes Pd(Phen)(CA)⁺ have been determined by potentiometric pH titration.The stability difference among the ternary mixed-ligand complexes has been discussed.The experimental results indicate the existence of intramolecular aromatic ring stacking interactions in the ternary mixed-ligand complexes Pd (Phen)(PheCA)⁺.The extent of stacking depends on the number of methylene groups between the phenyl moiety and the coordinated carboxylate groups.The best fit stacking is reached with 2-phenylacetate and 3-phenylpropionate.
- palladium(Ⅱ),
- mixed-ligand complex,
- aromatic ring stacking,
- stability constant
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