[COH(NH2)2]2[Cu(pic)2(ClO4)2]的合成與晶體結(jié)構(gòu)

The title compound was synthesized by reaction of Cu(ClO4)2, picolinic acid and carbamide in C2H5OH/CH3CN solution, and characterized by single-crystal X-ray diffraction. It crystallizes in the orthorhombic system,space group Pbcawith a=14.0481(8), b=9.0130(5), c=18.626(1) A, V=2358.3(2) A3, Z=4, Dx=1. 771g @ cm-3, μ= 1. 235mm-1 and F(000) = 1276. The final R factor is 0. 0440 for 1434 observed reflections.The X-ray analysis revealed that the copper (Ⅱ) atom is coordinated by two picolinic ligands in the equatorial plane,while the two oxygen atoms of perchlorate occupy the axial positions of octahedron with lengthened Cu-O distances,resulting in a 4 + 2 elongated octahedral environment. In the compound, there also exist two protonated carbamidecations for charge balance. CCDC: 195354.

作 者： 郭光華 郭國聰 周國偉 王明盛 蔡麗珍 吳阿清 黃錦順   作者單位： 郭光華(結(jié)構(gòu)化學(xué)國家重點(diǎn)實(shí)驗(yàn)室,中國科學(xué)院福建物質(zhì)結(jié)構(gòu)研究所,福州,350002;中國科學(xué)院研究生院,北京,100039)

郭國聰,周國偉,王明盛,蔡麗珍,吳阿清,黃錦順(結(jié)構(gòu)化學(xué)國家重點(diǎn)實(shí)驗(yàn)室,中國科學(xué)院福建物質(zhì)結(jié)構(gòu)研究所,福州,350002) 

刊 名： 無機(jī)化學(xué)學(xué)報(bào)  ISTIC SCI PKU 英文刊名： CHINESE JOURNAL OF INORGANIC CHEMISTRY  年，卷(期)： 2003 19(1)  分類號(hào)： O614.121  關(guān)鍵詞： 2-吡啶羧酸   過渡金屬   4+2拉長八面體   氫鍵   晶體結(jié)構(gòu)   picolinic acid transition metal 4 + 2 elongated octahedral hydrogen bondcrystal structure  

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