Double-step CO2 sorption and guest-induced single-crystal-to-single-crystal transformation in a flexible porous framework

Wei-Ping Wu; Zhi-Sen Li; Bo Liu; Ping Liu; Zheng-Ping Xi; Yao-Yu Wang

doi:10.1039/c5dt00460h

Double-step CO2 sorption and guest-induced single-crystal-to-single-crystal transformation in a flexible porous framework

Dalton Trans. 2015 Jun 14;44(22):10141-5. doi: 10.1039/c5dt00460h.

Authors

Wei-Ping Wu¹, Zhi-Sen Li, Bo Liu, Ping Liu, Zheng-Ping Xi, Yao-Yu Wang

Affiliation

¹ 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, P. R. China. wyaoyu@nwu.edu.cn.

PMID: 25965352
DOI: 10.1039/c5dt00460h

Abstract

A new 2D highly flexible and breathing porous framework [CuL(Me2NH)]·DMF·H2O () (H3L = 5-(4'-carboxylphenoxy)nicotinic acid) has been synthesized using a tritopic linker with a flexible joint. The desolvated framework, [CuL(Me2NH)] (), undergoes structural contraction, and exhibits selective and double-step hysteretic adsorption for CO2. Furthermore, on exposure to CH2Cl2 at room temperature, a unique single-crystal-to-single-crystal transformation occurred between and [Cu2L2(Me2NH)2(H2O)2]·5H2O ().