A Flexible Metal-Organic Framework with 4-Connected Zr6 Nodes

Zr-based metal-organic frameworks (MOFs) have been known for their excellent stability; however, due to the high connectivity of the Zr6 nodes, it is challenging to introduce flexibility into Zr-MOFs. Here we present a flexible Zr-MOF named NU-1400 comprising 4-connected Zr6 nodes and tetratopic lin...

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Bibliographic Details
Published in:Journal of the American Chemical Society Vol. 140; no. 36; p. 11179
Main Authors: Zhang, Yuanyuan, Zhang, Xuan, Lyu, Jiafei, Otake, Ken-Ichi, Wang, Xingjie, Redfern, Louis R, Malliakas, Christos D, Li, Zhanyong, Islamoglu, Timur, Wang, Bo, Farha, Omar K
Format: Journal Article
Language:English
Published: 12.09.2018
ISSN:1520-5126, 1520-5126
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Summary:Zr-based metal-organic frameworks (MOFs) have been known for their excellent stability; however, due to the high connectivity of the Zr6 nodes, it is challenging to introduce flexibility into Zr-MOFs. Here we present a flexible Zr-MOF named NU-1400 comprising 4-connected Zr6 nodes and tetratopic linkers. It exhibits guest-dependent structural flexibility with up to 48% contraction in the unit cell volume as evidenced by single-crystal X-ray diffraction studies. The expanded or contracted conformations of NU-1400 showed drastically different reactivity toward the hydrolysis of a nerve agent simulant owing to the size-selective effect toward the reactant.Zr-based metal-organic frameworks (MOFs) have been known for their excellent stability; however, due to the high connectivity of the Zr6 nodes, it is challenging to introduce flexibility into Zr-MOFs. Here we present a flexible Zr-MOF named NU-1400 comprising 4-connected Zr6 nodes and tetratopic linkers. It exhibits guest-dependent structural flexibility with up to 48% contraction in the unit cell volume as evidenced by single-crystal X-ray diffraction studies. The expanded or contracted conformations of NU-1400 showed drastically different reactivity toward the hydrolysis of a nerve agent simulant owing to the size-selective effect toward the reactant.
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ISSN:1520-5126
1520-5126
DOI:10.1021/jacs.8b06789