The hydrolysis of the [NI6(CO) 12]2- anion under buffered conditions results in the synthesis of the interstitial hydride derivatives [Ni12(C0)21H2]2- and [Nil2(C0)21H]3-. The two compounds are related by an easily reversible protonation-deprotonation equilibrium. In contrast, deprotonation of [Ni12(C0)21H]3- to the corresponding [Nil2(C0)21]4- tetraanion is possible only under severe conditions. The tetraanion has been obtained as a byproduct of the synthesis of [Ni6(Co)12]2- by reduction of Ni(C0)4 in KOH-saturated methanolic solution.
Ceriotti, A., Chini, P., DELLA PERGOLA, R., Longoni, G. (1983). CARBONYLNICKELATES .3. SYNTHESIS AND CHEMICAL CHARACTERIZATION OF THE [NI12(CO)21H4-N]N- (N = 2, 3, 4) CLUSTERS. INORGANIC CHEMISTRY, 22(11), 1595-1598 [10.1021/ic00153a006].
CARBONYLNICKELATES .3. SYNTHESIS AND CHEMICAL CHARACTERIZATION OF THE [NI12(CO)21H4-N]N- (N = 2, 3, 4) CLUSTERS
DELLA PERGOLA, ROBERTO;
1983
Abstract
The hydrolysis of the [NI6(CO) 12]2- anion under buffered conditions results in the synthesis of the interstitial hydride derivatives [Ni12(C0)21H2]2- and [Nil2(C0)21H]3-. The two compounds are related by an easily reversible protonation-deprotonation equilibrium. In contrast, deprotonation of [Ni12(C0)21H]3- to the corresponding [Nil2(C0)21]4- tetraanion is possible only under severe conditions. The tetraanion has been obtained as a byproduct of the synthesis of [Ni6(Co)12]2- by reduction of Ni(C0)4 in KOH-saturated methanolic solution.
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