Article

Possible intermolecular association in triphenyltin chloride in the solution state as detected by NMR spectroscopy.

Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia.
Magnetic Resonance in Chemistry (impact factor: 1.44). 11/2011; 49(11):749-52. DOI:10.1002/mrc.2827 pp.749-52
Source: PubMed

ABSTRACT NMR measurements ((119)Sn chemical shift, line width and (13)C relaxation) were made on triphenyltin chloride in two solutions, 2.5 and 0.75 mol% in CDCl(3), at several temperatures. The (13)C spin-lattice relaxation time and NOE data for the phenyl carbons provide the corresponding correlation times for the overall molecular reorientational motion and the internal rotation of the phenyl groups. The results are indicative of a weak intermolecular association of the triphenyltin chloride molecules in solution and are discussed with reference to a model for intermolecular phenyl ring π-π stacking interactions.

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Keywords

13)C spin-lattice relaxation time
 
corresponding correlation times
 
intermolecular phenyl ring π-π stacking interactions
 
internal rotation
 
line width
 
molecular reorientational motion
 
NMR measurements
 
NOE data
 
triphenyltin chloride molecules