Hydrogen peroxide | SSHADE

Molecule

Name: Hydrogen peroxide

Name and identifiers

IUPAC name: Hydrogen peroxide
Secondary names: Dioxidane, Oxidanyl, Perhydroxic acid
InChI: InChI=1S/H2O2/c1-2/h1-2H
InChI key: MHAJPDPJQMAIIY-UHFFFAOYSA-N
CAS number: 7722-84-1

Structure and atomic composition

Formula: $H_2O_2$
Chemical formula: H2O2
Structural formula: HOOH
Charge: 0

	Atom	Name	Number
	$H$	Hydrogen	2
	$O$	Oxygen	2

Relations

no

Isotopic composition

Isotope mixture type: terrestrial abundance

Nuclear spin isomers

Spin type: equilibrated

Molar mass: 34.0147 $g/mol$
State STP: liquid
Protic: protic
Polarity: polar
Dipole: 2.26 $D$

Fundamental vibration modes

Molecule symmetry

C2

Case

nonlinear-polyatomic

Vibrations number

6

Vibrations

Label	Mode	Bond	Symmetry	Degeneracy	Fundamental frequency	Observed frequency	Observed frequency	Harmonic frequency	Activity IR	Activity Raman	Strength	Comments
V1	stretching	$-O-H$	$A$	no		3599.0			active	active		observed frenquency mesured in IR gas (3364 cm-1 in Raman liquid).
V2	bending	$-O-H$	$A$	no		1402.0			inactive	active		observed frenquency mesured in liquid phase
V3	stretching	$-O-O-$	$A$	no		877.0			inactive	active		observed frenquency mesured in liquid phase
V4	deformation	$H_2O_2$	$A$	no		371.0	243.0		active	inactive
V5	stretching	$-O-H$	$B$	no		3608.0			active	inactive
V6	bending	$-O-H$	$B$	no		1266.0			active	inactive

Publications

Shimanouchi, 1972, Natl. Bur. Stand., 39, 1 - 160

Chemical functions and bonds

Chemical functions

	Function	Number
	$R-OH$	2

Chemical bonds

	Bond	Number
	$-O-H$	2
	$-O-O-$	1