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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.
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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.
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