Binuclear μ-Perchlorato Complexes of Alkaline Earth Metal Ions Studied by Electrospray Ionization Mass Spectrometry and DFT Calculations

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Abstract

Metal-ion clusters involving alkaline earth metal and perchlorate ions, and N,N-dimethylformamide (DMF) have been studied by electrospray ionization mass spectrometry (ESI-MS). Three types of metal-ion clusters, [M(DMF)n]2+, [M(ClO4)(DMF)n]+, and [M2(ClO4)3(DMF)n]+ (M = Mg, Ca, and Sr) are found. It is proposed on the basis of DFT calculations that the metal ion in the [M2(ClO4)3(DMF)6]+ clusters is six-coordinated with three μ-ClO4 ions and three DMF molecules.

Journal

  • Chemistry Letters

    Chemistry Letters 35 (10), 1118-1119, 2006

    The Chemical Society of Japan

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