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Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry Volume 2, 1972 - Issue 3
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Original Articles

Die Synthese Eines Ersten Doppel-Sandwich-Komplexes: Das Dinickeltricyclopentadienyl-Kation

Helmut Werner Anorganisch-chemisches Institut der Universität, Zürich
&
Albrecht Salzer Anorganisch-chemisches Institut der Universität, Zürich
Pages 239-248 | Received 31 Aug 1971, Accepted 23 May 1972, Published online: 13 Dec 2006
 
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Abstract

Dicyclopentadienylnickel reacts with carbonium ions, e.g. [C(C6H5)3]+ and [C7H7]+, to give the binuclear cation [Ni2(C5H5)3]+ which forms stable salts with tetrafluoroborate and hexafluorophosphate as anions. The chemical properties as well as the n.m.r. data of the ionic compounds indicate that the structure of the cation [Ni2(C5H5)3]+ probably corresponds to that of a double-sandwich complex. The mechanism of formation of the new species will be briefly discussed by assuming an ion-molecule reaction as the final step.

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