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Recognizing the Limited Applicability of Job Plots in Studying Host–Guest Interactions in Supramolecular Chemistry

Ulatowski, Filip ; Dąbrowa, Kajetan ; Bałakier, Tomasz ; Jurczak, Janusz

Journal of organic chemistry, 2016-03, Vol.81 (5), p.1746-1756 [Periódico revisado por pares]

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Título:
Recognizing the Limited Applicability of Job Plots in Studying Host–Guest Interactions in Supramolecular Chemistry
Autor: Ulatowski, Filip ; Dąbrowa, Kajetan ; Bałakier, Tomasz ; Jurczak, Janusz
É parte de: Journal of organic chemistry, 2016-03, Vol.81 (5), p.1746-1756
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Continuous variation method, known as Job plot, is the most commonly applied method for the determination of stoichiometry of complex chemical entities for over 100 years. Although, the method was proven successful in the analysis of very stable metal–ligand complexes, we demonstrate that its use in supramolecular chemistry often provides false results. We support this statement with multiple simulations as well as cases studies of several real host–guest systems. We propose an alternative, general method relying on the analysis of residual distribution in titration data fitting. The latter method is more convenient compared to the Job plot and unlike it gives correct results in all real cases studied.
Editor: United States: American Chemical Society
Idioma: Inglês

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