A novel nonanuclear copper(II) nanocluster (Cu9) was constructed from a well-designed multidentate pyrazole–alcohol ligand and using various small anions. The Cu9 skeleton was found to consist of two similar Cu5… Click to show full abstract
A novel nonanuclear copper(II) nanocluster (Cu9) was constructed from a well-designed multidentate pyrazole–alcohol ligand and using various small anions. The Cu9 skeleton was found to consist of two similar Cu5 cluster units sharing one central CuII ion and to be protected by the outer organic ligand and auxiliary small anions. The solution behavior of Cu9 was studied in detail by applying the ESI-MS technique. Magnetism analysis implied the presence of antiferromagnetic interactions between the CuII ions.
               
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