Journal of the Chemical Society, Chemical Communications
Journal of the Chemical Society, Chemical Communications was published between 1972 - 1995.
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Paper
J. Chem. Soc., Chem. Commun., 1995, 2517 - 2518, DOI: 10.1039/C39950002517
Tetranuclear vanadium(III) carboxylate chemistry, and a new example of a metal butterfly complex exhibiting spin frustration: structure and properties of [V4O2(O2CEt)7(bpy)2](ClO4)
Stephanie L. Castro, Ziming Sun, John C. Bollinger, David N. Hendrickson and George Christou
Treatment of [VCl3(thf)3](thf = tetrahydrofuran) with bpy (bpy = 2,2
-bipyridine) and NaO2CEt in a 1 : 1 : 3 molar ratio in Me2CO followed by addition of ClO4– allows isolation of [V4O2(O2CEt)7(bpy)2](ClO4)[4(ClO4)], which contains a butterfly-like V4 unit; variable-temperature magnetic susceptibility studies show 1 to possess both ferro- and antiferro-magnetic exchange interactions leading to spin-frustration effects and an S= 3 ground state.
