Issue 14, 2012
From the journal:

CrystEngComm

A hydrogen-bonded and π–π assembled 3D supramolecular network, [Co(en)3]·1.5(C5O5), with 1D microporous hydrophilic channels showing reversible water ad/de-sorption property†

Chih-Chieh Wang,*a   Chang-Tsung Yeh,a   Yi-Ting Cheng,a   I-Hsuan Chen,a   Gene-Hsiang Lee,b   Wei-Ju Shih,c   Hwo-Shuenn Sheuc  and  Vladimir E. Fedorovd  

* Corresponding authors

a Department of Chemistry, Soochow University, Taipei, Taiwan
E-mail: ccwang@scu.edu.tw
Fax: +886-2-28811053

b Instrumentation Center, National Taiwan University, Taipei, Taiwan

c National Synchrotron Radiation Research Center, Hsinchu 300, Taiwan

d Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 3 Acad. Lavrentiev pr., Russia

Abstract

A racemic complex, (±)-[Co(en)3]·1.5(C5O5)·3H2O (1), has been synthesized and structurally characterized by single-crystal X-ray diffraction method. Structural determination reveals that the 3D supramolecular architecture of 1 is constructed by the subtle combination of intermolecular hydrogen bonding between the (±)-[Co(en)3]3+ cations and croconate dianions (C5O52−) and π⋯π assembling between the croconate dianions. The hydrophilic 1D channels surrounded by polar pore-walls in its 3D network show a water-only absorption property with reversible de-/re-hydration processes which undergo a reversible polycrystalline transformation demonstrated by in situ PXRD measurements.

Graphical abstract: A hydrogen-bonded and π–π assembled 3D supramolecular network, [Co(en)3]·1.5(C5O5), with 1D microporous hydrophilic channels showing reversible water ad/de-sorption property

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Article information

DOI
https://doi.org/10.1039/C2CE25327E
Article type
Paper
Submitted
23 Dec 2011
Accepted
23 Apr 2012
First published
24 Apr 2012

CrystEngComm, 2012,14, 4637-4643

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A hydrogen-bonded and π–π assembled 3D supramolecular network, [Co(en)3]·1.5(C5O5), with 1D microporous hydrophilic channels showing reversible water ad/de-sorption property

C. Wang, C. Yeh, Y. Cheng, I. Chen, G. Lee, W. Shih, H. Sheu and V. E. Fedorov, CrystEngComm, 2012, 14, 4637 DOI: 10.1039/C2CE25327E

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