NDLI: Structural studies of molecular-based nanoporous materials. Novel networks of silver(I) cations assembled with the polydentate N-donor bases hexamethylenetetramine and 1,3,5-triazine

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Structural studies of molecular-based nanoporous materials. Novel networks of silver(I) cations assembled with the polydentate N-donor bases hexamethylenetetramine and 1,3,5-triazine

Content Provider	Royal Society of Chemistry (RSC)
Author	Carlucci, Lucia Proserpio, Davide M. Ciani, Gianfranco Bertelli, Marco Sironi, Angelo
Copyright Year	1997
Abstract	Novel polymeric materials have been isolated from the reactions of silver(i) salts of poorly coordinating anions with the polydentate bases hexamethylenetetramine (hmt) and 1,3,5-triazine (trz), the one-dimensional polymer[Ag(hmt)] SbF 6 H 2 O 1, and the three-dimensional networked compounds [Ag 11 (hmt) 6 ][PF 6 ] 11 14H 2 O 2 and [Ag 6 (trz) 8 ][BF 4 ] 6 H 2 O 3, characterized by single-crystal X-ray analysis. Compound 1is monoclinic, space groupP2 1 /n, a=14.252(4), b=11.061(8), c=16.450(8) Å, β=90.17(3)°. The structure contains a novel type of ribbon formed by hexagonal meshes of alternate Ag I ions and hmt molecules. The water molecules coordinated to the silver ions form hydrogen bonds which generate a three-dimensional network of unprecedented topology. Crystals of 2 are monoclinic, space group I2, a=19.552(6), b=10.856(6), c=25.749(11) Å, β=92.83(3)°. It consists of an open three-dimensional network of complex topology with all the hmt molecules tetraconnected. Out of the eleven independent Ag I ions per formula unit, nine are biconnnected and two triconnected to the hmt bases. The large channels in the network contain many water molecules. Compound 3 is monoclinic, space group P2 1 /c, a=12.535(8), b=29.517(8), c=14.704(6) Å, β=93.95(4)°. The structure contains six independent Ag ions and eight independent triazine molecules, which display varied connectivities to give a puzzling three-dimensional network.
Starting Page	1271
Ending Page	1276
Page Count	6
File Format	PDF
ISSN	09599428
Volume Number	7
Issue Number	7
Journal	Journal of Materials Chemistry
DOI	10.1039/a700020k
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Ligand Hexamethylenetetramine Triazine Polymer X-ray crystallography Monoclinic crystal system Hydrogen bond Topology Space group Formula unit
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry

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