Lithium monoxide anion
Lithium monoxide anion (LiO−) is a superbase existing in the gas phase. It was the strongest known base until 2008, when the isomeric diethynylbenzene dianions were determined to have a higher proton affinity. The methanide ion CH−3 was the strongest known base before lithium monoxide anion was discovered.
| Names | |
|---|---|
| IUPAC name
Lithium monoxide anion | |
| Other names
Lithate | |
| Identifiers | |
3D model (JSmol) |
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| Properties | |
| LiO− | |
| Molar mass | 22.94 g·mol−1 |
| Conjugate acid | Lithium hydroxide |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards |
Extremely corrosive |
| Related compounds | |
Related bases |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
LiO− has a proton affinity of ~1782 kJ/mol.
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