Tridecanuclear and docosanuclear manganese phosphonate clusters with slow magnetic relaxation |
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| Authors: | Ma Yun-Sheng Song You Li Yi-Zhi Zheng Li-Min |
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| Affiliation: | State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P. R. China. |
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| Abstract: | Two novel mixed-valent manganese phosphonate clusters [MnIIMnIII12O6(OH)6(O3PC6H11)10(py)6] (1) and [MnII4MnIII18O12(O3PC6H11)8(O2CCH3)22(H2O)6(py)2] (2) are reported in this paper. Complex 1 is the first carboxylate-free manganese phosphonate cluster. While compound 2 appears to be the largest manganese cluster thus far that contains phosphonate ligand. Both show slow magnetic relaxation behaviors. |
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