Salts of the Lewis-acidic dianion [Hg(closo-1-CB11F11)2]2-: coordination of acetonitrile and water |
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Authors: | Himmelspach Alexander Zähres Manfred Finze Maik |
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Institution: | Institut für Anorganische Chemie II, Heinrich-Heine-Universit?t Düsseldorf, Universit?tsstrasse 1, 40225 Düsseldorf, Germany. |
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Abstract: | The coordination of acetonitrile and water to the Hg atom in Hg(closo-1-CB(11)F(11))(2)](2-) (1) reveals the Lewis acidity of the Hg(II) center, which is unprecedented, since 1 is a dianion. Both coordination compounds were characterized by single-crystal X-ray diffraction, vibrational spectroscopy, and differential scanning calorimetry (DSC). In contrast, the Hg atom in PhHg(closo-1-CB(11)F(11))](-) (2) does not coordinate to CH(3)CN and H(2)O, although it has only a single negative charge. |
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