Studies on the magnetic property of μ_3-oxotriiron(Ⅲ) complex [Fe_30(OBz)_6(CH30H)_3](NO_3)(CH_3OH)_2 (HOBz=Benzoic acid) |
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作者姓名: | WANG Guo-Xiong ZHANG Hua CHEN Yao YAO Tian-Yang |
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作者单位: | WANG,Guo-Xiong ZHANG,Hua CHEN,Yao YAO,Tian-YangDepartment of Chemistry,Nanjing University,Nanjing,Jiangsu 210093,ChinaFU,De-GangMolecule and Biological Molecule Electronics Laboratory,Dongnan University,Nanjing,Jiangsu 210018,China |
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摘 要: | The magnetic property of u3-oxotriiron(III) complex Fe3O(OBz)6(CH3OH)3](NO3)-(CH3OH)2 (HOBz=benzoic acid) has been studied. We use isosceles triangle model and molecular field correction to fit the experimental magnetic susceptibility data. It shows that an intramolecular antiferromagnetic exchange interaction occurs with J=-31.27 cm-1, J'=-27.26 cm-1, and a weaker intermolecular antiferromagnetic exchange interaction occurs with zJ'=-3.76 cm-1. We give the d5-d5-d5 energy level diagram of triiron(III) complex as a function of J'/J. From the diagram we can get the total spin ST of the complex as 1/2 in the ground state.
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关 键 词: | Magnetic property μ3-oxotriiron(Ⅲ) complex antiferromagnetic exchange energy level diagram |
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