Formate ion | SSHADE

Molecule

Name: Formate ion

Name and identifiers

IUPAC name: methanoate
Secondary names: formate anion, Formic acid, ion(1-), HCO2 anion, HCOO-, HCO2-
InChI: InChI=1S/CH2O2/c2-1-3/h1H,(H,2,3)/p-1
InChI key: BDAGIHXWWSANSR-UHFFFAOYSA-M
CAS number: 71-47-6

Structure and atomic composition

Formula: $HCOO^-$
Chemical formula: HCOO-
Structural formula: [CH](=O)[O-]
Charge: -1
Unpaired electrons: 0

	Atom	Name	Number
	$C$	Carbon	1
	$H$	Hydrogen	1
	$O$	Oxygen	1
	$O^-$	Oxide anion	1

Isotopic composition

Isotope mixture type: terrestrial abundance

Molar mass: 45.017 $g/mol$
Protic: aprotic
Polarity: ionic

Fundamental vibration modes

Molecule symmetry: unknown
Case: nonlinear-polyatomic

Chemical functions and bonds

Chemical functions

	Function	Number
	$R-C(=O)-O^-$	1

Chemical bonds

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