Ionothermal Synthesis and Characterization of a Three- dimensional Anionic Zinc-5-sulfoisophthalate Framework Charge-balanced with the 1-Ethyl-3-methylimidazolium
范丛斌;王玉玲;许文苑;刘庆燕
a (Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science & Technology Normal University, Nanchang 330013, China)
b (College of Chemistry and Chemical Engineering,Jiangxi Normal University Nanchang, Jiangxi 330022, China)
c (College of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, Hunan 414006, China)
Ionothermal Synthesis and Characterization of a Three- dimensional Anionic Zinc-5-sulfoisophthalate Framework Charge-balanced with the 1-Ethyl-3-methylimidazolium
FAN Cong-Bin;WANG Yu-Ling;XU Wen-Yuan;LIU Qing-Yan
a (Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science & Technology Normal University, Nanchang 330013, China)
b (College of Chemistry and Chemical Engineering,Jiangxi Normal University Nanchang, Jiangxi 330022, China)
c (College of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, Hunan 414006, China)
The ionothermal reaction of Zn(NO3)2∙6H2O with 5-sulfoisophthalic acid mono- sodium salt (NaH2SIP) and 1,2,4-triazole in 1-ethyl-3-methylimidazolium tetrafluoroborate (EMIM-BF4) ionic liquid has afforded the compound {(EMIM)[Zn(SIP)]}n (1). The Zn(II) ions are linked by the carboxylate groups of SIP3− ligands to give a two-dimensional layered structure featuring the centrosymmetric dinuclear Zn2(µ2-COO)2 units. The adjacent two-dimensional layers are further linked by the Zn–O bonds between the Zn(II) ions and the sulfonate O atoms to generate a three-dimensional anionic [Zn(SIP)]nn- framework featuring one-dimensional open channels propagating along the a axis. The imidazolium cations [EMIM]+ derived from ionic liquid act as extraframework charge-balancing species for the anionic [Zn(SIP)]nn- framework and occupy the void space of the one-dimensional open channels. The rich ionic environments of the ionic liquid may be particularly helpful in the formation of the ionic compound 1. The roles of the ionic liquid in ionothermal synthesis and crystallization of the compound are briefly discussed. Furthermore, compound 1 displays a photoluminescent emission at 490 nm upon excitation at 406 nm.
Abstract：The ionothermal reaction of Zn(NO3)2∙6H2O with 5-sulfoisophthalic acid mono- sodium salt (NaH2SIP) and 1,2,4-triazole in 1-ethyl-3-methylimidazolium tetrafluoroborate (EMIM-BF4) ionic liquid has afforded the compound {(EMIM)[Zn(SIP)]}n (1). The Zn(II) ions are linked by the carboxylate groups of SIP3− ligands to give a two-dimensional layered structure featuring the centrosymmetric dinuclear Zn2(µ2-COO)2 units. The adjacent two-dimensional layers are further linked by the Zn–O bonds between the Zn(II) ions and the sulfonate O atoms to generate a three-dimensional anionic [Zn(SIP)]nn- framework featuring one-dimensional open channels propagating along the a axis. The imidazolium cations [EMIM]+ derived from ionic liquid act as extraframework charge-balancing species for the anionic [Zn(SIP)]nn- framework and occupy the void space of the one-dimensional open channels. The rich ionic environments of the ionic liquid may be particularly helpful in the formation of the ionic compound 1. The roles of the ionic liquid in ionothermal synthesis and crystallization of the compound are briefly discussed. Furthermore, compound 1 displays a photoluminescent emission at 490 nm upon excitation at 406 nm.
Supported by the National Natural Science Foundation of China (21101081), the Project of the Science Funds of Jiangxi Education Office (GJJ14235), Science Founds of StateKey Laboratory of Structural Chemistry (20130011) and Hunan Province Project of Science and Technology (2014FJ6032)
通讯作者:
ylwang@jxnu.edu.cn
E-mail: 632334302@qq.com
引用本文:
范丛斌;王玉玲;许文苑;刘庆燕. Ionothermal Synthesis and Characterization of a Three- dimensional Anionic Zinc-5-sulfoisophthalate Framework Charge-balanced with the 1-Ethyl-3-methylimidazolium[J]. 结构化学, 2016, 35(1): 77-84.
FAN Cong-Bin;WANG Yu-Ling;XU Wen-Yuan;LIU Qing-Yan. Ionothermal Synthesis and Characterization of a Three- dimensional Anionic Zinc-5-sulfoisophthalate Framework Charge-balanced with the 1-Ethyl-3-methylimidazolium. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY, 2016, 35(1): 77-84.
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