Influence of aromatic substituents on the supramolecular architectures of monoorganooxotin drums

Chandrasekhar, Vadapalli ; Gopal, Kandasamy ; Nagendran, Selvarajan ; Steiner, Alexander ; Zacchini, Stefano (2006) Influence of aromatic substituents on the supramolecular architectures of monoorganooxotin drums Crystal Growth & Design, 6 (1). pp. 267-273. ISSN 1528-7483

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Official URL: http://pubs.acs.org/doi/abs/10.1021/cg050323c

Related URL: http://dx.doi.org/10.1021/cg050323c

Abstract

The reaction of n-BuSn(O)(OH) with various substituted benzoic acids affords hexameric organostannoxane drums, [n-BuSn(O)OC(O)R]6, where R = 2,6-(CH3)2-C6H3 (1), 4-CH3-C6H4 (2), 4-NH2-C6H4 (3) and 2-NH2-C6H4 (4). The central stannoxane motif (Sn6O6) is similar in all these compounds and is surrounded by six substituted benzoate groups. All the drums show an extensive supramolecular organization in the solid state. Accordingly, drum 1 forms a one-dimensional supramolecular assembly mediated by noncovalent interactions such as C-H···O and π ···π interactions. Similarly, drums 2-4 form interesting three-dimensional supramolecular assemblies mediated by C-H···O, N-H···N, C-H···π , and π ···π interactions in the solid state. The role of the peripheral aromatic substituents in determining the final course of the supramolecular assembly is discussed.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:8887
Deposited On:28 Oct 2010 10:39
Last Modified:28 Oct 2010 10:39

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