Oxalate ion | SSHADE

Processing math: 66%

Molecule

Name: Oxalate ion

Name and identifiers

IUPAC name: Ethanedioate
Secondary names: Oxalate anion, Ethanedioate, Oxalic acid dianion, Ethanedioic acid dianion
InChI: InChI=1S/C2H2O4/c3-1(4)2(5)6/h(H,3,4)(H,5,6)/p-2
InChI key: MUBZPKHOEPUJKR-UHFFFAOYSA-L
CAS number: 338-70-5

Structure and atomic composition

Formula: $C_2O_4^{2-}$
Chemical formula: C2O4-2
Structural formula: C(=O)(C(=O)[O-])[O-]
Charge: -2
Unpaired electrons: 0

	Atom	Name	Number
	$C$	Carbon	2
	$O$	Oxygen	2
	$O^-$	Oxide anion	2

Relations

no

Isotopic composition

Isotope mixture type: terrestrial abundance

Molar mass: 88.019 $g/mol$
Protic: aprotic
Polarity: ionic

Fundamental vibration modes

Molecule symmetry: unknown
Case: nonlinear-polyatomic

Chemical functions and bonds

Chemical functions

	Function	Number
	$R-C(=O)-O^-$	2

Chemical bonds

	Bond	Number
	$\eqslantgtr C-C\eqslantless$	1
	$>C=O$	2
	$\eqslantgtr C-O^-$	2