Hierarchical Assembly of a {Co<sub>24</sub>} Cluster from Two Vertex-Fused {Co<sub>13</sub>} Clusters and Their Single-Molecule Magnetism
作者:Peng-Fei Yao、Yun-Kai Chen、Chao-Feng Lai、Hai-Ye Li、He-Dong Bian、Han-Fu Liu、Di Yao、Fu-Ping Huang
DOI:10.1021/acs.inorgchem.8b01211
日期:2018.8.6
We present the synthesis, structural characterization, and magnetic properties of two high-nuclearity cobalt clusters formulated as [Co13(μ3-OH)3(μ3-Cl)(dpbt)5(ptd)Cl10][Co(H2O)2Cl2]·(CH3)2CHOH (1) and [Co24(μ3-OH)6(μ3-Cl)2(dpbt)10(ptd)2Cl16]·2CH3CH2OH (2), respectively (H2dpbt = 5,5′-bis(pyridin-2-yl)-3,3′-bis(1,2,4-triazole) and H2ptd = 3-(pyridin-2-yl)-1,2,4-triazine-5,6-diol). Compound 1 is composed
我们提出的合成,结构表征,并配制为[CO两个高核性钴簇的磁特性13(μ 3 -OH)3(μ 3 -Cl)(DPBT)5(PTD)氯10 ] [CO(H 2 O)2氯2 ]·(CH 3)2 CHOH(1)和[CO 24(μ 3 -OH)6(μ 3 -Cl)2(DPBT)10(PTD)2氯16 ]·2CH 3 CH 2羟基(2)(H 2 dpbt = 5,5'-双(吡啶-2-基)-3,3'-双(1,2,4-三唑)和H 2 ptd = 3-(吡啶-2-基) )-1,2,4-三嗪-5,6-二醇)。化合物1由内[CO的4(μ 3 -OH)3(μ 3 -Cl)]立方烷和外[CO 9(DPBT)5(PTD)氯10 ]缺陷金刚烷。化合物2揭示了一个巨大的Co 24 }簇,该簇具有从1开始的双[Co 12 ]骨架。从1到2的层次组装已通过溶剂热反应母液的高分辨率电喷雾电离(HRESI-MS)分析建立并跟踪