An 27Al and 13CN.M.R. study of the Complexes between Al3+ and Various Organic Molecules Containing the Amide Group in Concentrated Aqueous Solution-Reference-Cited by-同舟云学术

An 27Al and 13CN.M.R. study of the Complexes between Al3+ and Various Organic Molecules Containing the Amide Group in Concentrated Aqueous Solution

Published:1984-12-01 Issue:12 Volume:39 Page:1235-1241
ISSN:1865-7109
Container-title:Zeitschrift für Naturforschung A
language:en
Short-container-title:

Author:

Caminiti Ruggero¹,Crisponi Guido¹,Nurchi Valeria¹,Lai Adolfo²

Affiliation:

1. Istituto di Chimica Generale, Inorganica ed Analitica Via Ospedale 72,1-09100 Cagliari

2. Dipartimento di Scienze Chimiche, Via Ospedale 72,1-09100 Cagliari, Università di Cagliari, Italy

Abstract

The complexation between Al3+ and urea, formamide, acetamide and their alkyl derivatives were investigated by 27Al and 13C N.M.R. spectroscopy. A fitting procedure allowed to obtain the populations of each bound and free form of Al3+. From these data the equilibrium parameters were calculated in a direct way. and the results discussed in terms of substituent effects on the interaction phenomena. In this respect the steric hindrance, the polarization of the electronic charge and the hydrophobic character of the alkyl groups were considered as affecting factors.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics

Link

https://www.degruyter.com/document/doi/10.1515/zna-1984-1216/pdf

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