Tricarbonate

Tricarbonate ion

Names
IUPAC name Tricarbonate
Properties
Chemical formula	C 3O2− 7
Molar mass	148.026 g·mol−1
Structure
Molecular shape	Trigonal planar at carbon atoms
Related compounds
Related compounds	Carbonate Bicarbonate Dicarbonate
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 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 (H
3C–)
3C–C
3O
7–C(–CH
3)
3, an intermediate in the synthesis of di-tert-butyl dicarbonate.^[1]

The term tricarbonate is sometimes used for salts that contain three carbonate dianions in their covalent structure or stoichiometric formula, such as cerium tricarbonate Ce
2(CO
3)
3.

• Dicarbonate

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