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Issue 11, 2009
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An in-depth study on hydrogen-bonded 3-D frameworks possessing hydrophobic layers and hydrophilic pillars

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Abstract

Eight lanthanide compounds [Ln(H2O)9](m-BDTH)3·9(H2O) where Ln = Pr (1), Nd (2) and Sm (3) and [Ln(H2O)8](m-BDTH)3·9(H2O) where Ln = Eu (4), Gd (5), Tb (6), Dy (7) and Tm (8) have been synthesized at room temperature. In these compounds a new class of pillared layer framework is exemplified in which 2-D hydrophobic organic layers of π-stacked and hydrogen-bonded (m-BDTH) are separated by hydrophilic [Ln(H2O)n]3+ cationic pillars. The thermal stability, reversible solvent uptake, photoluminescence properties and magnetic studies of these compounds were carried out. In addition, theoretical investigations were carried out in compound 1 for the existence of a near-planar pentamer water cluster.

Graphical abstract: An in-depth study on hydrogen-bonded 3-D frameworks possessing hydrophobic layers and hydrophilic pillars

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Article information


Submitted
07 Apr 2009
Accepted
30 Jun 2009
First published
03 Aug 2009

CrystEngComm, 2009,11, 2480-2487
Article type
Paper

An in-depth study on hydrogen-bonded 3-D frameworks possessing hydrophobic layers and hydrophilic pillars

G. E. Kostakis, A. Mavrandonakis, G. Abbas, W. Klopper, D. Schooss, S. Lebedkin, Y. Lan and A. K. Powell, CrystEngComm, 2009, 11, 2480
DOI: 10.1039/B907030C

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