Molecular cubes with high-spin ground states

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Abstract

Reactions of Schiff bases with copper(II), nickel(II), iron(II) and manganese(II) sources yielded tetranuclear complexes of [Cu4(Hhsae) 4]·2H2O·4CH3CN (1), [Ni 4(sae)4(MeOH)4] (2), [Fe4(Hsapd) 4]·2H2O·4MeOH (3) and [Mn 4(sap)4(MeOH)4]·H2O (4), (H3hsae=2-(4-hydroxysalicylideneamino)-1-ethanol, H 2sae=2-salicylideneamino-1-ethanol, H3sapd=2- salicylideneaminopropane-2-methyl-1,3-propanediol, and H2sap=3- salicylideneamino-1-propanol), respectively. Complexes 1-4 have cubane core structures, in which four metal ions are bridged by alkoxides. Magnetic susceptibility measurements revealed that 1-3 have high-spin ground states of S=2, 4 and 8, respectively, while 4 has a diamagnetic ground state. © 2005 Elsevier Ltd. All rights reserved.

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Shiga, T., & Oshio, H. (2005, September). Molecular cubes with high-spin ground states. Science and Technology of Advanced Materials. https://doi.org/10.1016/j.stam.2005.06.004

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