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Title: Novel supramolecular organizations in melamine complexes with 4,4'-bipyridyl and silver nitrate
Authors: Sivashankar, K
Ranganathan, A
Pedireddi, V R
Rao, C N R
Keywords: supramolecular assemblies
hydrogen bonds
melamine complexes
Issue Date: 7-Jan-2001
Publisher: Elsevier Science BV
Citation: Journal Of Molecular Structure 559(1-3), 41-48 (2002)
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. (C) 2001 Elsevier Science B.V. All rights reserved.
Description: Restricted Access
Other Identifiers: 0022-2860
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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