A copper based pillared-bilayer metal organic framework: its synthesis, sorption properties and catalytic performance

Srinivasulu Parshamoni; Suresh Sanda; Himanshu Sekhar Jena; Sanjit Konar

doi:10.1039/C4DT00228H

A copper based pillared-bilayer metal organic framework: its synthesis, sorption properties and catalytic performance

Srinivasulu Parshamoni,^a Suresh Sanda,^a Himanshu Sekhar Jena^a and Sanjit Konar*^a

* Corresponding authors

^a Department of Chemistry, IISER Bhopal, Bhopal, India
E-mail: skonar@iiserb.ac.in
Fax: +91-755-6692392
Tel: +91-755-6692339

Abstract

A new 2D pillared-bilayer flexible open metal organic framework {[Cu(tdc)(bpe)]_n·2n(H₂O)·n(MeOH)} (compound 1) [H₂tdc = 2,5 thiophenedicarboxylic acid; bpe = 1,2-bis(4-pyridyl)ethane] has been synthesized through a solvent diffusion technique and structurally characterized. The structure analysis reveals that the tdc ligands formed bilayers with the Cu(II) ions along the b-direction and the layers are further pillared by bpe linkers and resulted in a 2D pillared-bilayer porous framework with a four connected uninodal sq1/Shubnikob tetragonal plane net with the Schälfli symbol {4⁴·6²}. The framework is enclosed with large square shaped channels (13.7 × 8.35 Å²) along the bc-plane and the channels are occupied by guest solvent molecules. The adsorption studies reveal that compound 1 shows selective adsorption for CO₂ over CH₄ at room temperature and it also shows hysteretic sorption for a few protic solvents (H₂O and EtOH) and a Type-1 isotherm for an aprotic solvent (CH₃CN). The catalytic performance of compound 1 for Glaser type homo-coupling reactions has also been reported.

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Publication details

The article was received on 22 Jan 2014, accepted on 14 Feb 2014 and first published on 14 Feb 2014

Article type: Paper

DOI: 10.1039/C4DT00228H

Author version available: Download Author version (PDF)

Citation: Dalton Trans., 2014,43, 7191-7199

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A copper based pillared-bilayer metal organic framework: its synthesis, sorption properties and catalytic performance

S. Parshamoni, S. Sanda, H. S. Jena and S. Konar, Dalton Trans., 2014, 43, 7191
DOI: 10.1039/C4DT00228H
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A copper based pillared-bilayer metal organic framework: its synthesis, sorption properties and catalytic performance

Abstract

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A copper based pillared-bilayer metal organic framework: its synthesis, sorption properties and catalytic performance

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