Tricarbonate
| Names | |
|---|---|
| IUPAC name Tricarbonate | |
| Properties | |
| C3O2−7 | |
| Molar mass | 148.026 g·mol−1 | 
| Structure | |
| Trigonal planar at carbon atoms | |
| Related compounds | |
| Related compounds | |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references | |
In organic chemistry, a tricarbonate is a compound containing the divalent −O−C(=O)−O−C(=O)−O−C(=O)−O− functional group, which consists of three carbonate groups linked in a chain by sharing of oxygen atoms. These compounds can be viewed as derivatives of a hypothetical tricarbonic acid, HO−C(=O)−O−C(=O)−O−C(=O)−OH. An important example is di-tert-butyl tricarbonate (H3C−)3C−C3O7−C(−CH3)3, an intermediate in the synthesis of di-tert-butyl dicarbonate.
The term tricarbonate is sometimes used for salts that contain three carbonate dianions in their covalent structure or stoichiometric formula, such as cerium tricarbonate Ce2(CO3)3.