Heterometallic Cubane Single-Molecule Magnets
收藏NIAID Data Ecosystem2026-03-06 收录
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Two new heterometallic cubane molecules have been synthesized. High-frequency electron paramagnetic resonance and magnetization measurements indicate that [Mn3Ni(hmp)3O(N3)3(C7H5O2)3] (1) displays a well-isolated S = 5 ground state (ΔE > 120 K), with g = 2.0, D = −0.23 cm-1, and ferromagnetic Mn−Mn exchange interactions competing with antiferromagnetic Ni−Mn interactions. [Mn3Zn(hmp)3O(N3)3(C3H5O2)3] (2) possesses a S = 6 ground state (ΔE > 105 K), with g = 2.0, D = −0.14 cm-1, and ferromagnetic Mn−Mn exchange interactions. Magnetization vs magnetic field data for oriented single crystals of 1 and 2 indicate that both complexes are single-molecule magnets.
创建时间：
2016-06-03
