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Relevant academic research and scientific papers

Proximate Charge Effects. 6. Anion-Cation-Zwitterion Triplets in Solution

The reaction of p-nitrophenol with tetra-n-butylammonium taurinate in 95.3 mol percent dioxane-water was found to give an anion-cation-zwitterion triplet which then dissociates to a zwitterion and to an ion pair.The equilibrium constants for the formation of this triplet, Kf, and for dissociation, Kd, were found to be Kf = 3.57 L1/2 mol-1/2 and Kd = 1.73 x 10-7 mol L-1.