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不同有机胺构筑的Keggin型超分子化合物的合成与晶体结构

Syntheses and crystal structures of two Keggin-based supramolecular compounds by using different organonitrogen ligands
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摘要 利用水热合成方法合成了二个新的Keggin基有机-无机杂化化合物(H3/4Me2bpy)4[PW12O40].3H2O(1)和(H6/5bbi)2.5[PMo12O40].H2O(2)(Me2bpy=5,5'-甲基-2,2'-联吡啶,bbi=1,1'-(1,4-丁烷)双(咪唑)),并通过元素分析、红外光谱和X-射线单晶衍射方法确定了化合物的晶体结构.结构分析表明化合物1属于单斜晶系,P21/n空间群,晶胞参数a=13.229(3),b=23.449(5),c=13.720(3),β=118.61(3),V=3736.6(13),Z=2,R1=0.05910,ωR2=0.1397.化合物2属于三斜晶系,P 1空间群,晶胞参数a=12.021(2),b=12.131(2),c=20.441(4),α=93.60(3),β=94.71(3),γ=103.21(3),V=2881.8(10),Z=2,R1=0.0692,ωR2=0.1828.将目标化合物制成碳糊电极,利用循环伏安法研究了其电化学行为. Two new Keggin - based organic - inorganic hybrid compounds, （ H3/4 Me2bpy） 4[ PW12 040 ] ·3 H20 （1） and （H6/5bbi） 25 [ PMo1204o ] · H20 （2） （ Me2bpy = 5,5＇ - methyl - 2,2＇ - bipyridine, bbi = 1,1＇ - （1,4 -butanediyl）bis（imidazole） ）, have been synthesized by hydrothermal methods, and characterized byIR spectra, elemental analyses and single crystal X -ray diffraction. Compound 1 crystallizes in the monoclinic system, space group P21/n, a = 13. 229（3）, b =23. 449（5） ,c = 13. 720（3）,β = 118.61（3）, V =3736. 6 （13） ,Z =2, R =0. 0892, a^R2 =0. 1548. Compound 2 crystallizes in the triclinic system, space group P 1-, a =12.021（2）,b=12. 131（2）,c=20.441（4）,a= 93.60（3）,β=94.71（3）, T= 103.21（3）, V=2881.8 （ 10）, Z = 2, R1 = 0. 1064, R2 = 0. 2102. These two title compounds are made into carbon paste electrode （CPE） and their electrochemical oroDerties are studied by cvclic voltammetrv.
作者 刘玉静 肖茹
机构地区 渤海大学化学化工与食品安全学院
出处 《渤海大学学报（自然科学版）》 CAS 2012年第2期133-138,共6页 Journal of Bohai University:Natural Science Edition
基金 辽宁省科技厅省级工程技术研究中心建设计划(No.2009402007)
关键词 多金属氧酸盐 超分子 晶体结构 KEGGIN polyoxometalate supramolecular crystal structure Keggin
分类号 O614.33 [理学—无机化学]
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参考文献11

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渤海大学学报（自然科学版）
2012年 第2期

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