Issue 7, 2019

The syntheses, crystal structures, electrochemical and magnetic properties of tri-nuclear cyanide-bridged complexes [cis-MII(bpy)2(CN)2]2MnIII(salcy) (PF6) (M = Fe, Ru, Os)

Abstract

Three tri-nuclear cyanide-bridged heteronuclear complexes, [cis-MII(bpy)2(CN)2]2MnIII(salcy)(PF6) (M = Fe, 1; M = Ru, 2; M = Os, 3; bpy = 2,2′-bipyridine, salcy = N,N′-(1,2-cyclohexanediylethylene) bis(salicylideneiminato) dianion) were synthesized by reaction of cis-MII(bpy)2(CN)2 (M = Fe, Ru, Os) with [MnIII(salcy)]+ ion in the presence of NH4PF6, respectively. Complexes 1–3 were all fully characterized by IR, UV, MS, elemental analysis and single-crystal X-ray diffraction analysis. The magnetic susceptibilities of complexes 1–3 were measured and analyzed, and complexes 1 and 2 show low temperature antiferromagnetic order, which were confirmed by FC–ZFC (field-cooled and zero-field-cooled) measurement. This work demonstrates that the diamagnetic metal ions MII (M = Fe, Ru and Os) have effective influence on the magnetic properties of the cyanide-bridged complexes [cis-MII(bpy)2(CN)2]2MnIII(salcy) (PF6).

Graphical abstract: The syntheses, crystal structures, electrochemical and magnetic properties of tri-nuclear cyanide-bridged complexes [cis-MII(bpy)2(CN)2]2MnIII(salcy) (PF6) (M = Fe, Ru, Os)

Supplementary files

Article information

Article type
Paper
Submitted
14 Aug 2018
Accepted
17 Jan 2019
First published
18 Jan 2019

New J. Chem., 2019,43, 3162-3168

The syntheses, crystal structures, electrochemical and magnetic properties of tri-nuclear cyanide-bridged complexes [cis-MII(bpy)2(CN)2]2MnIII(salcy) (PF6) (M = Fe, Ru, Os)

M. Liu, J. Hu, M. Yu, W. Fan, W. Ding and Y. Wang, New J. Chem., 2019, 43, 3162 DOI: 10.1039/C8NJ04142C

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