Solid-state 207Pb nuclear magnetic resonance studies of adducts of 1,10-phenanthroline with lead(II) halides

Authors: Glatfelter, Alicia1; Bai, Shi1; Dmitrenko, Olga1; Perry, Dale L.2; Van Bramer, Scott E.3; Dybowski, Cecil1

Source: Canadian Journal of Chemistry, Volume 89, Number 7, July 2011 , pp. 863-869(7)

Publisher: NRC Research Press

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Abstract:

Experimental and predicted 207Pb nuclear magnetic resonance (NMR) parameters of solid-state coordination complexes of lead(II) bromide, lead(II) iodide, and lead(II) chloride with 1,10-phenanthroline are reported. Structural and electronic differences between the 1:1 and 1:2 adducts are reflected by the NMR parameters. The NMR chemical shieldings of the isostructural complexes indicate that the electronic state of the lead(II) center depends on the number of ligands and the halogen anion. The NMR results suggest that the 1:2 adduct may be more stereochemically active than the 1:1 adduct.

Keywords: 1,10-phenanthroline; 1,10-phénathroline; 207Pb NMR; 207Pb RMN; RMN à l’état solide; approximation régulière d'ordre zéro (“ZORA”); bromure de plomb(II); density functional theory; iodure de plomb(II); lead(II) bromide; lead(II) iodide; solid-state NMR; théorie de la fonctionnelle de la densité; zeroth-order regular approximation (ZORA)

Document Type: Research Article

DOI: http://dx.doi.org/10.1139/v10-176

Affiliations: 1: Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716, USA. 2: Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA. 3: Department of Chemistry, Widener University, Chester, PA 19013, USA.

Publication date: July 3, 2011

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