Two Novel Zinc(II) Metal–Organic Frameworks Based on Triazole-Carboxylate Shared Paddle-Wheel Units: Synthesis, Structure, and Gas Adsorption

Two novel porous metal–organic frameworks {Zn7(btc)4(dmtrz)2(H2O)5} n (1) and {[Zn6(btc)4(dmtrz)3]·3H3O·2H2O} n (2) (H3btc = 1,3,5-benzenetricarboxylic acid, Hdmtrz = 3,5-dimethyl-1H-1,2,4-triazole) have been solvothermally synthesized. Single-crystal structure analysis reveals that both structure 1...

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Veröffentlicht in:	Crystal growth & design 2011-07, Vol.11 (7), p.2811-2816
Hauptverfasser:	Ling, Yun, Chen, Zhenxia, Zheng, Hua, Zhou, Yaming, Weng, Linhong, Zhao, Dongyuan
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Organic compounds Other materials Physics Porous materials granular materials Solid surfaces and solid-solid interfaces Specific materials Structure of solids and liquids crystallography Structure of specific crystalline solids Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties)
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Zusammenfassung:	Two novel porous metal–organic frameworks {Zn7(btc)4(dmtrz)2(H2O)5} n (1) and {[Zn6(btc)4(dmtrz)3]·3H3O·2H2O} n (2) (H3btc = 1,3,5-benzenetricarboxylic acid, Hdmtrz = 3,5-dimethyl-1H-1,2,4-triazole) have been solvothermally synthesized. Single-crystal structure analysis reveals that both structure 1 and 2 contain special triazole-carboxylate shared paddle-wheel units. The crucial factors to the assembly of such paddle-wheel units are discussed. Gas adsorption studies suggest that 2 is a potential microporous material for adsorptive separation of CO2 over N2.
ISSN:	1528-7483 1528-7505
DOI:	10.1021/cg101569a