Please use this identifier to cite or link to this item: https://doi.org/10.1021/om0340140
Title: Steric control over molecular structure and supramolecular association exerted by tin- and ligand-bound groups in diorganotin carboxylates
Authors: Dakternieks, D.
Duthie, A.
Smyth, D.R.
Stapleton, C.P.D.
Tiekink, E.R.T. 
Issue Date: 27-Oct-2003
Citation: Dakternieks, D., Duthie, A., Smyth, D.R., Stapleton, C.P.D., Tiekink, E.R.T. (2003-10-27). Steric control over molecular structure and supramolecular association exerted by tin- and ligand-bound groups in diorganotin carboxylates. Organometallics 22 (22) : 4599-4603. ScholarBank@NUS Repository. https://doi.org/10.1021/om0340140
Abstract: Structural data (X-ray and solution and solid-state 119Sn NMR) show that skew-trapezoidal-bipyramidal diorganotin compounds of 2-quinaldate are invariably monomeric, owing to the steric bulk of the carboxylate ligand. In contrast, most of the analogous compounds of 2-picolinate (2-pic) can increase their coordination number by polymerization or the incorporation of solvent in their coordination sphere in the solid state. The exceptional compound is tBu2Sn(2-pic)2 (3), for which no increase in coordination number is apparent, a result that is correlated with the bulky tert-butyl groups. Thus, judicious choice of tin or ligand substituents can be exploited to dictate coordination number and/or the degree of supramolecular aggregation in the investigated systems.
Source Title: Organometallics
URI: http://scholarbank.nus.edu.sg/handle/10635/94885
ISSN: 02767333
DOI: 10.1021/om0340140
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