A Porous Metal–Organic Framework Constructed from Carboxylate–Pyrazolate Shared Heptanuclear Zinc Clusters: Synthesis, Gas Adsorption, and Guest-Dependent Luminescent Properties
Inorganic Chemistry2013Vol. 52(18), pp. 10368–10374
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Qingshu Zheng, Feilong Yang, Mingli Deng, Yun Ling, Xiaofeng Liu, Zhenxia Chen, Yunhua Wang, Linhong Weng, Yaming Zhou
Abstract
A three-dimensional porous structure of [Zn7O2(bpdc)4(dmpp)2]·6DEF·10H2O (MAC-7, H2bpdc = 4,4'-biphenyldicarboxylic acid, Hdmpp = 3,5-dimethyl-4-(4'-pyridyl)pyrazole), built of 12-bridged carboxylate-pyrazolate shared Zn7O2 clusters, has been synthesized. Because of the presence of 12-bridged carboxylate-pyrazolate shared building block, MAC-7 is a double-linked pcu-type framework and shows reversible phase transformation. Photoluminescent property studies indicate that MAC-7 could sense nitrobenzene over toluene, p-xylene, and mesitylene by luminescent quenching.
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