[Mn3O(O2CPh)6(py)2] 2(4,4′-bpy) and [Mn9O7(O2CC6H 4-p-OMe)13(4,4′-bpy)]2: New multinuclear manganese complexes

Hilary J. Eppley, Nadine DeVries, Sheyi Wang, Sheila M. Aubin, Hui Lien Tsai, Kirsten Folting, David N. Hendrickson, George Christou

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Abstract

The synthesis, X-ray crystal structures and magnetic properties of two new types of dimers of multinuclear manganese aggregates are described. [Mn3O(O2CPh)6(py)2] 2(4,4′-bpy) is prepared from the reaction of the trinuclear starting material [Mn3O(O2CPh)6(py)2(H2O)] with 4,4′-bipyridine. This compound can be described as a dimer of trinuclear units and has been characterized crystallographically as part of a unit cell which also contains a monomeric, trinuclear species. Dimers of enneanuclear manganese complexes linked by two bifunctional units (4,4′-bipyridine or trans-1,2-bis(4-pyridylethene)) may be prepared from the tetranuclear starting material, (nBu4N) [Mn4O2-(O2CR)9(H2O)], where R=Ph or C6H4-p-OMe. The new octadecanuclear complex [Mn9O7(O2CC6H 4-p-OMe)13(4,4′-bpy)]2 has been structurally characterized. This complex shows magnetic behavior which can be fit by considering only magnetic interactions within the individual Mn9O7 units.

Original languageEnglish
Pages (from-to)323-340
Number of pages18
JournalInorganica Chimica Acta
Volume263
Issue number1-2
DOIs
Publication statusPublished - 1997 Oct 15

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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    Eppley, H. J., DeVries, N., Wang, S., Aubin, S. M., Tsai, H. L., Folting, K., Hendrickson, D. N., & Christou, G. (1997). [Mn3O(O2CPh)6(py)2] 2(4,4′-bpy) and [Mn9O7(O2CC6H 4-p-OMe)13(4,4′-bpy)]2: New multinuclear manganese complexes. Inorganica Chimica Acta, 263(1-2), 323-340. https://doi.org/10.1016/s0020-1693(97)05661-2