Wednesday, 16 May 2007 - 4:40 PM
109 (Pfahler Hall)
152

A self-assembing nickel hexanuclear complex with unusual magnetic ordering

Michael J. Prushan1, Oliver Waldmann2, Matthias Zeller3, and Allen D. Hunter3. (1) LaSalle University, Philadelphia, PA, (2) University of Bern, Bern, Switzerland, (3) Youngstown State University, Youngstown, OH

A μ6-oxo centered nickel(II)hexanuclear complex, ([Ni6(EtSNO)6(OMe)2O](ClO4)2) is formed when a solution of nickel(II) perchlorate is added to 3-(ethylsulfanyl)-3-ethylbutan-2-one oxime (EtSNOH) in the presence of triethylamine.  Structural and magnetic properties will be discussed in detail.  Magnetic measurements reveal that anti-ferromagnetic interactions dominate at high temperature and give rise to unusual bulk magnetic properties at low temperature.


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