User:OrganoMetallurgy/Drafts/Cobalt bis(dicarbollide) anion
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| Names | |
|---|---|
| Other names
[3,3′-Co(1,2-C2B9H11)2]-, cobaltabisdicarbollide, COSAN, dicarbollylcobaltate,
| |
| Identifiers | |
| Properties | |
| C4H22B18Co | |
| Molar mass | 323.73 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
| |
The Cobalt bis(1,2-dicarbollide) anion is a weakly coordinating anion [1] It is the most studied dicarbollide complex.
Properties
[edit]Is amphiphilic, forms vesicles in water. Weakly coordinating High stability
Synthesis
[edit]Synthesis usually starts with degradation of o-carborane with base to form nido-[7,8-C2B9H11]- which is then deprotonated to form the 1,2-dicarbollide dianion, which reacts with cobalt chloride to produce the cobalt bis(1,2-dicarbollide) anion.
Reactions
[edit]Can be reversibly undergo two one electron reductions, and one one electron oxidation. Can be singly or doubly deprotonated by butyl lithium. Degraded to something something by alkali
Halogenation
[edit]Halogenated derivatives are far less reactive.
Uses
[edit]References
[edit]10.1016/j.jorganchem.2017.04.006
- ^ Sivaev, Igor B.; Bregadze, Vladimir I. (1999). "Chemistry of Cobalt Bis(dicarbollides). A Review". Collection of Czechoslovak Chemical Communications. 64 (5): 783–805. doi:10.1135/cccc19990783. ISSN 1212-6950.