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An oxocarbon anion C x O n− y can also be associated with the anhydride of the corresponding acid. The latter would be another oxocarbon with formula C x O y− n ⁄ 2; namely, the acid minus n ⁄ 2 water molecules H 2 O. The standard example is the connection between carbonate CO 2− 3 and carbon dioxide CO 2.
It is an oxocarbon anion that consists solely of carbon and oxygen. It is the anion of peroxycarbonic acid [1] [2] also called hydroperoxyformic acid, [3] HO−O−CO−OH. The peroxycarbonate anion is formed, together with peroxydicarbonate C 2 O 2− 6, at the negative electrode during electrolysis of molten lithium carbonate. [4]
In chemistry, an oxocarbon or oxide of carbon is a chemical compound consisting only of carbon and oxygen. [ 1 ] [ 2 ] The simplest and most common oxocarbons are carbon monoxide (CO) and carbon dioxide ( CO 2 ).
The carbonate ion is the simplest oxocarbon anion. It consists of one carbon atom surrounded by three oxygen atoms, in a trigonal planar arrangement, with D 3h molecular symmetry . It has a molecular mass of 60.01 g/mol and carries a total formal charge of −2.
In chemistry, peroxydicarbonate (sometimes peroxodicarbonate) is a divalent anion with the chemical formula C 2 O 2− 6. It is one of the oxocarbon anions, which consist solely of carbon and oxygen. Its molecular structure can be viewed as two carbonate anions joined so as to form a peroxide bridge –O–O–.
Dioxosuccinic acid or dioxobutanedioic acid is an organic compound with formula C 4 H 2 O 6 or HO−(C=O) 4 −OH. Removal of two protons from the molecule would yield the dioxosuccinate anion, C 4 O 2− 6 or − O−(C=O) 4 −O −. This is one of the oxocarbon anions, which consist solely of carbon and oxygen.
Croconate violet or 1,3-bis(dicyanomethylene)croconate is a divalent anion with chemical formula C 11 N 4 O 2− 3 or ((N≡C−) 2 C=) 2 (C 5 O 3) 2−. It is one of the pseudo-oxocarbon anions, as it can be described as a derivative of the croconate oxocarbon anion C 5 O 2− 5 through the replacement of two oxygen atoms by dicyanomethylene ...
1,2-Bis(dicyanomethylene)squarate is a divalent anion with chemical formula C 10 N 4 O 2− 2 or ((N≡C−) 2 C=) 2 (C 4 O 2) 2−. It is one of the pseudo-oxocarbon anions, as it can be described as a derivative of the squarate oxocarbon anion C 4 O 2− 4 through the replacement of two adjacent oxygen atoms by dicyanomethylene groups =C(−C ...