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Common Dimer - Responsible for the Trends in pKaHs of Both Pyridazenium Cations and Di-cations: An Educational Perspective

Sanjeev Rachuru1, Pandiri Sreedhar1, D. A. Padmavathi2, V. Jagannadham2,

1Department of Chemistry, Geethanjali College of Engineering and Technology, Cheeryal-501301, India

2Department of Chemistry, Osmania University, Hyderabad 500007, India

World Journal of Chemical Education. 2023, 11(1), 4-6. DOI: 10.12691/wjce-11-1-2
Received December 14, 2022; Revised January 22, 2023; Accepted February 05, 2023

Abstract

A species formed by dimerization from monoprotonated 1,2-pyridazine i.e., 1,2-pyridazenium cation that was optimized by DFT calculations is identified as a common dimer to explain the systematic changes in the pKaHs of both Pyridazenium cations and Pyridazenium di-cations.

Keywords:

Pyridazenium cation dimer, pKaHs, 1,2-pyridazine, 1,3-pyridazine, 1,4-pyridazine
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