Ghosh, Sujit K. ; Bharadwaj, Parimal K. (2005) Octameric water clusters of staircase structure present in a metal-organic framework built from helical lanthanide coordination polymers European Journal of Inorganic Chemistry, 2005 (24). pp. 4886-4889. ISSN 1434-1948
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/ejic.20...
Related URL: http://dx.doi.org/10.1002/ejic.200500735
Abstract
Two lanthanide-carboxylate polymeric complexes containing nine-coordinate lanthanide metal centers, {[Pr(ptc-3)·2H2O]·2H2O} (1), {[Nd(ptc-3)·2H2O]·2H2O} (2) have been prepared by hydrothermal synthesis of Pr(NO3)3·6H2O or Nd(NO3)3·6H2O with pyridine-2,4,6-tricarboxylic acid (ptcH3). These network structures are characterized by X-ray crystallography, powder X-ray diffraction, infrared and thermal gravimetric analyses. Both 1 and 2 form infinite single helical chains with large widths and pitches containing six metal ions per turn. The overall structure consists of two helices connected via discrete octameric water clusters.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley and Sons, Inc. |
| Keywords: | Water Chemistry; Supramolecular Chemistry; Self Assembly; Metal-organic Framework; Helical Structure |
| ID Code: | 4610 |
| Deposited On: | 18 Oct 2010 07:22 |
| Last Modified: | 18 May 2011 08:13 |
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