Abstract

Herein we report the synthesis and magnetic properties of a new one-dimensional Co(II) chain compound with the formula [Co(tricH4)Cl] (tricH5 = N-[tris(hydroxymethyl)methyl]glycine). In this structure, the cobalt ion has a slightly distorted octahedral coordination environment. TricH4 is a pentadentate ligand using one nitrogen and four oxygen atoms to coordinate to the Co(II) ions. The three hydroxyl groups are all not detprotonated and the carboxylate moiety of the tricH4 lignd is a bridge leading to a 1D chain. The crystal structure is stabilized by the intrachain and interchain hydrogen bonding. Magnetic susceptibility measurements exhibit only weak ferromagnetic exchange interactions found within the chain complex due to the carboxylate bridges.

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