具有三维开放骨架结构的亚硝酸锌{[Zn(NO_2)_3]~-·H_3O~+·H_2O}

人工晶体学报, 2009, 38(6): 1420-1423.

具有三维开放骨架结构的亚硝酸锌{[Zn(NO_2)_3]~-·H_3O~+·H_2O}_n的溶剂热合成与晶体结构

范瑞清 ^1, , 王平 ^2, , 杨玉林 ^3, , 哈斯·乌力吉 ^4,

1.哈尔滨工业大学化学系,哈尔滨150001

2.哈尔滨工业大学化学系,哈尔滨150001

3.哈尔滨工业大学化学系,哈尔滨150001

4.哈尔滨工业大学化学系,哈尔滨150001

基金项目: 黑龙江省青年科学技术专项基金(QC06C029) 国家自然科学基金(20771030;20671025;60778019) 高等学校博士学科点专项科研基金(20070213005)

关键词：溶剂热合成 , 亚硝酸锌 , 晶体结构

Solvothermal Synthesis and Crystal Structure of a New 3-D Open Framework Zinc Nitrite{[Zn(NO_2)_3]~-·H_3O~+·H_2O}_n

FAN Rui-qing ^1, , WANG Ping ^2, , YANG Yu-lin ^3, , HASI Wu-liji ^4,

1.哈尔滨工业大学化学系,哈尔滨150001

2.哈尔滨工业大学化学系,哈尔滨150001

3.哈尔滨工业大学化学系,哈尔滨150001

4.哈尔滨工业大学化学系,哈尔滨150001

Keywords： solvothermal synthesis , zinc nitrite , crystal structure

本文通过溶剂热法合成出一种具有三维开放骨架结构的亚硝酸锌化合物{[Zn(NO_2)_3]~-·H_3O~+·H_2O}_n(Zn1). 通过XRD、IR、拉曼光谱、TG和X射线单晶衍射对其结构进行了表征.X射线单晶衍射分析表明:该化合物属三方晶系,空间群为R-3c,晶胞参数a=b=c=0.8814(6) nm,α=β=γ=55.51(2)°,V=2.0394(2) nm~3.Z=12,R_ 1=0.0325,wR_ 2=0.0829,GOF=1.077.Zn1的三维开放骨架结构由NO-2~-的O原子连接邻近的Zn原子构成,沿[100]和[110]方向上呈现八元环孔道.

A new three-dimensional open framework zinc nitrite {[Zn(NO_2)_3]~-·H_3O~+·H_2O}_n(Zn1) was synthesized by solvothermal method. The products was characterized by X-ray powder diffraction (XRD), IR spectra, Raman spectra, TG analysis and structurally determined by single-crystal X-ray diffraction analysis. The results indicated that the compound crystallizes in the trigonal symmetry, space group R-3c, with a=b=c=0.8814(6) nm, α=β=γ=55.51(2)°, V=2.0394(2) nm~3, Z=12, R_1=0.0325, wR_2=0.0829, GOF=1.077. The adjacent Zn centers are linked with O from NO_2~-to form 3-D structure of Zn1 containing 8-rings along [100] and [110] direction, respectively.

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