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

George E. Kostakis, Andreas Mavrantonakis, Ghulam Abbas, Wim Klopper, Detlef Schooss, Sergei Lebedkin, Yanhua Lan, Annie K. Powell

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

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(H 2O)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.

Original languageEnglish (US)
Pages (from-to)2480-2487
Number of pages8
JournalCrystEngComm
Volume11
Issue number11
DOIs
StatePublished - Oct 27 2009

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