Journal
JOURNAL OF COORDINATION CHEMISTRY
Volume 67, Issue 6, Pages 1110-1120Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958972.2014.898755
Keywords
Polymeric; Organotin; 2-D Supramolecular; Monomeric; Layer-by-layer arrangement
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Funding
- Higher Education Commission of Pakistan
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Four monomeric [n-Bu2SnL2 (1), Et2SnL2 (2), Me2SnL2 (3), and n-Oct(2)SnL(2) (7)] and three polymeric {[n-Bu3SnL](n) (4), [Me3SnL](n) (5), and [Ph3SnL](n) (6)} organotin(IV) carboxylates, where L = 4-chlorophenylethanoate, were synthesized and characterized by elemental analysis, FT-IR, and multinuclear NMR (H-1, C-13, and Sn-119). Compounds 2 and 5 were also analyzed by X-ray single-crystal analysis showing monomeric and zigzag structures, respectively. Two types of O horizontal ellipsis H (2.641 angstrom) and Cl horizontal ellipsis H (2.943 angstrom) non-covalent interactions generate a 2-D supramolecular structure for 2. Layer-by-layer supramolecular structure was observed for 5 in which polymeric chains are connected via non-covalent interactions {Cl horizontal ellipsis H (2.869 angstrom), H horizontal ellipsis pi (2.899 angstrom)}, and unconventional dihydrogen {H horizontal ellipsis H (2.381 angstrom)} interactions.
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