一例环状四核Cu-Ln配合物的合成、结构及性质(英文)  

Synthesis,structure and properties of a cyclic tetranuclear Cu-Ln complex

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作  者:张云庚 王瀚 尚云汉 赛前进 刘宝林[1] ZHANG Yungeng;WANG Han;SHANG Yunhan;SAI Qianjin;LIU Baolin(Henan Key Laboratory of Polyoxometalate Chemistry,College of Chemistry and Chemical Engineering,Henan University,Kaifeng 475004,Henan,China)

机构地区:[1]河南省多酸化学重点实验室河南大学化学化工学院,河南开封475004

出  处:《化学研究》2018年第5期469-473,共5页Chemical Research

基  金:National Natural Science Foundation of China(U1704163);Foundation of Open Research Fund of Henan Key Laboratory of Polyoxometalate Chemistry(HNPOMKF1704)

摘  要:合成了一例四核化合物{[CuL Pr(NO3)2(H2O)]2}n(I),并通过IR、元素分析、UV-vis光谱、热重分析和单晶X射线衍射进行了表征.该化合物属于P21/n空间群,单斜晶系.晶胞参数:a=1. 216 9 (3),b=1. 248 1(4),c=1. 507 1(4) nm,β=82. 337(2)°,V=2. 288(1) nm3,Z=4,C17H17CuN 4O11Pr,M=657. 80,ρc=1. 909 g/cm3,μ(MoKα)=3. 098 mm-1,F(000)=1 292,GOOF=1. 050,R1=0. 065 2,wR2=0. 191 3,I> 2σ(I).在化合物I中,双核片段利用酰胺氧原子得到了一个四核结构.通过硝酸根离子在轴向位置与铜离子配位,得到了一个二维网状化合物.A tetranuclear complex {[CuLPr(NO 3 ) 2 (H 2 O)] 2 } n ( Ⅰ ) has been obtained and characterized by IR, elemental analysis, UV-vis spectra, thermal gravimetric analysis and single crystal X-ray diffraction (CIF file CCDC No. 1846171). Complex Ⅰ crystallizes in the monoclinic system, space group P 2 1 /n , with a = 1.216 9 (3) nm, b = 1.248 1 (4) nm, c = 1.507 1 (4) nm, β = 91.394 (6)°, V = 2.288 (1) nm 3 , Z = 4, C 17 H 17 CuN 4 O 11 Pr, M = 657.80 , ρ c = 1.909 g/cm 3 , μ (MoK α ) = 3.098 mm -1 , F (000) = 1 292 , GOOF = 1.050 , the final R 1 = 0.065 2 and wR 2 = 0.191 3 for I 〉 2σ(I ). The complex exhibits a tetranuclear framework through the oxygen atoms of the amido groups. The NO - 3 ion weakly coordinates to Cu II ion at the axial site, form a novel infinite 2D coordination polymer.

关 键 词:异金属 四核 晶体结构 

分 类 号:O614.3[理学—无机化学]

 

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