Issue 15, 2014
From the journal:

CrystEngComm

Two porous metal–organic frameworks (MOFs) based on mixed ligands: synthesis, structure and selective gas adsorption†

Jing-Tao Shi,a   Ke-Fen Yue,*a   Bo Liu,a   Chun-sheng Zhou,ab   Yong-Liang Liu,a   Zhi-Guo Fanga  and  Yao-Yu Wanga  

* Corresponding authors

a Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, College of Chemistry & Materials Science, Northwest University, Xi'an 710069, China

b Department of Chemistry, Shang Luo University, Shang Luo 726000, PR China
E-mail: ykflyy@nwu.edu.cn

Abstract

Two new three-dimensional (3D) porous structures based on the mixed flexible and rigid organic ligands, [Cd1.5(bmip)(tpa)1.5(DMF)1.5]n (1) and [Co1.5(bmip)0.5(bpdc)1.5(DMF)2]n (2) (bmip = 1,3-bis(2-methylimidazolyl)propane, H2tpa = terephthalic acid, H2bpdc = biphenyl-4,4′-dicarboxylic acid, DMF = N,N-dimethylformamide) have been prepared under solvothermal conditions. Complex 1 contains a trinuclear Cd unit, in which the trinuclear Cd cluster acts as an eight-connected node with two pairs of flexible bmip and six rigid tpa ligands. Complex 2 exhibits a two-fold interpenetrated porous network based on a trinuclear Co cluster as eight-connected vertices with two flexible bmip and six rigid tpa ligands. Both 1 and 2 show selective gas adsorption of CO2 over N2 and H2. Furthermore, complex 1 displays an uncommon CO2 adsorption isotherm and hysteretic desorption behaviors at 195 K.

Graphical abstract: Two porous metal–organic frameworks (MOFs) based on mixed ligands: synthesis, structure and selective gas adsorption

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Article information

DOI
https://doi.org/10.1039/C3CE41557K
Article type
Paper
Submitted
05 Aug 2013
Accepted
15 Jan 2014
First published
15 Jan 2014

CrystEngComm, 2014,16, 3097-3102

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Two porous metal–organic frameworks (MOFs) based on mixed ligands: synthesis, structure and selective gas adsorption

J. Shi, K. Yue, B. Liu, C. Zhou, Y. Liu, Z. Fang and Y. Wang, CrystEngComm, 2014, 16, 3097 DOI: 10.1039/C3CE41557K

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