Three-dimensional supramolecular H-bonding network in the compounds containing hexamethylenetetramine and aquated Ni(II) or Cd(II) salts

Banerjee, Suparna ; Choudhury, Angshuman Roy ; Guru Row, T. N. ; Chaudhuri, Siddhartha ; Ghosh, Ashutosh (2007) Three-dimensional supramolecular H-bonding network in the compounds containing hexamethylenetetramine and aquated Ni(II) or Cd(II) salts Polyhedron, 26 (1). pp. 24-32. ISSN 0277-5387

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/j.poly.2006.07.019

Abstract

To investigate the interactions between hydrogen bond donor and acceptor giving rise to three dimensional networks, compounds [Ni(H2O)6](ClO4)2 • 2{(CH2)6N4} • 2H2O (1), [Ni(H2O)6]Cl2 • 2{(CH2)6N4} • 4H2O (2) and [Cd(H2O)4{(CH2)6N4}2](ClO4)2 • 2H2O (3) (where (CH2)6N4 = hexamethylenetetramine) have been prepared and their crystal structures were investigated. In all three complexes, the metal coordination is octahedral. The hexamine molecules are complexed in the cadmium compound, 3 but are free in the nickel salts, 1 and 2. The supramolecular structures of 1 and 2 show R44 (16) motif linking the cationic moieties with hexamine which are in turn interwoven with anionic moieties via water molecules. In contrast the supramolecular structure of 3 shows R22 (12) motif.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Crystal Structure; Nickel (II); Cadmium (II); Hexamethylenetetramine; H-bonding
ID Code:108381
Deposited On:13 Oct 2017 13:08
Last Modified:13 Oct 2017 13:08

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