Giant Heterometallic Cu<sub>17</sub>Mn<sub>28</sub> Cluster with <i>T</i><i><sub>d</sub></i> Symmetry and High-Spin Ground State
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资源简介：
Reaction of copper powder with Mn(OAc)2·4H2O and triethanolamine in DMF solution in air yields a high nuclearity, mixed-valent CuI4CuII13MnII4MnIII12MnIV12 cluster. X-ray crystallography shows that 1 contains an unprecedented adamantane-like Mn28 core connected wholly by Mn4O4 cubane units. Magnetic susceptibility data indicate a S = 51/2 ground state in low magnetic field with a S = 63/2 excited state only 5 K in energy above the ground state.
创建时间：
2007-02-07
