Two reversible transformable mercury(II) coordination polymers as efficient adsorbents for removal of dibenzothiophene
文献类型： 外文期刊
作者： Hou, Yong 1 ; Masoomi, Mohammad Yaser 2 ; Bagheri, Minoo 2 ; Morsali, Ali 2 ; Joo, Sang Woo 3 ;
作者机构： 1.Sichuan Lanyue Sci & Technol Co Ltd, Shuangliu 610207, Sichuan, Peoples R China
2.Tarbiat Modares Univ, Dept Chem, Fac Sci, Tehran, Iran
3.Yeungnam Univ, Sch Mech Engn, Gyongsan 712749, South Korea
期刊名称：RSC ADVANCES （ 影响因子：3.361； 五年影响因子：3.39 ）
ISSN：
年卷期：
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收录情况： SCI
摘要： Three new compounds of Hg(II) have been synthesized, [Hg(quinoxaline)(2)(NO2)(2)] (1), [Hg-3(mu-quinoxaline)(2)(mu-SCN)(6)](n) (2) and [Hg(mu-quinoxaline)(mu-CN)(2)](n) (3) through the reaction between a quinoxaline ligand and mercury(II) salts which have then been analyzed using IR spectroscopy and thermal gravimetric (TGA) analysis. Furthermore, these compounds have also been characterized using single-crystal X-ray crystallography. The single-crystal X-ray data of compound 1 shows the complex to be a monomer of mercury(II). The structural studies of compounds 2 and 3 show that these structures are two-and three-dimensional coordination polymers of mercury(II). Under mild reaction conditions, the mentioned compounds exhibited high efficiency and reusability in desulfurization removal of model oil which was prepared by dissolving dibenzothiophene in n-hexane. Furthermore, the DBT removal in the solution obeys first order reaction kinetics and the activation energy of the adsorption process was found to be 16.57 kJ mol(-1). Finally, solid state crystal to crystal transformation of these compounds was investigated.
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