Issue 100, 2014

A 3D MOF showing unprecedented solvent-induced single-crystal-to-single-crystal transformation and excellent CO2 adsorption selectivity at room temperature

Abstract

A water stable porous 3D metal–organic framework, [Cu3L2(μ3-OH)2(μ2-H2O)]·2DMA (1, mother crystal, H2L = 2,2′-dinitrobiphenyl-4,4′-dicarboxylic acid, DMA = N,N-dimethylacetamide), shows unprecedented irreversible solvent-induced substitutions of bridging aqua ligands and guest-exchanges in single-crystal-to-single-crystal (SCSC) transformations at room temperature (RT), producing quantitatively three daughter crystals, [Cu3L2(μ3-OH)2]·2S (2: 2A, S = acetone; 2B, S = 2-propanol; 2C, S = 2-butanol), which exhibit reversible interconversion by guest-exchanges at RT in SCSC transformations. MOF 1 shows excellent separation selectivity (128) of CO2/N2 at RT and is a better sorbent of micro-solid-phase extraction (μ-SPE) than currently known benchmark ZIF-8.

Graphical abstract: A 3D MOF showing unprecedented solvent-induced single-crystal-to-single-crystal transformation and excellent CO2 adsorption selectivity at room temperature

Supplementary files

Article information

Article type
Communication
Submitted
21 Aug 2014
Accepted
31 Oct 2014
First published
31 Oct 2014

Chem. Commun., 2014,50, 15886-15889

Author version available

A 3D MOF showing unprecedented solvent-induced single-crystal-to-single-crystal transformation and excellent CO2 adsorption selectivity at room temperature

T. Qin, J. Gong, J. Ma, X. Wang, Y. Wang, Y. Xu, X. Shen and D. Zhu, Chem. Commun., 2014, 50, 15886 DOI: 10.1039/C4CC06588C

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