Novel supramolecular organizations in melamine complexes with 4,4'-bipyridyl and silver nitrate

Sivashankar, K. ; Ranganathan, A. ; Pedireddi, V. R. ; Rao, C. N. R. (2001) Novel supramolecular organizations in melamine complexes with 4,4'-bipyridyl and silver nitrate Journal of Molecular Structure, 559 (1-3). pp. 41-48. ISSN 0022-2860

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00222...

Related URL: http://dx.doi.org/10.1016/S0022-2860(00)00686-4

Abstract

Complexes of melamine with 4,4'-bipyridyl and AgNO3 having compositions, C10H8N2:0.5(C3H6N6):H2O and [Ag(C3H6N6)]NO3, respectively, have been prepared for the first time. A crystallographic investigation has shown unique hydrogen bonding patterns in the two systems. The melamine-4,4'-bipyridyl complex shows a supramolecular organization wherein hydrogen bonding between melamine and water molecules results in tapes. The tapes are connected by hydrogen bonding to 4,4'-bipyridyl giving rise to a rectangular box. In the melamine-AgNO3 complex, the melamine molecules are bound to Ag+ ions forming N-Ag-N chains, giving rise to a helix. The helices are held together by interchain hydrogen bonds.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Supramolecular Assemblies; Hydrogen Bonds; Melamine Complexes
ID Code:42295
Deposited On:02 Jun 2011 10:01
Last Modified:02 Jun 2011 10:01

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