Nitrous oxide | SSHADE

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Molecule

Name: Nitrous oxide

Name and identifiers

IUPAC name: Dinitrogen monoxide
Secondary names: Nitrogen oxide, Dinitrogen monoxide, Dinitrogen oxide, Nitrogen monoxide, N2O
InChI: InChI=1S/N2O/c1-2-3
InChI key: GQPLMRYTRLFLPF-UHFFFAOYSA-N
CAS number: 10024-97-2
Comments: natural $N_2O$ . The structural formula can also be written [N-]=[N+]=[O]; [N]#[N]=[O] (NIST)

Structure and atomic composition

Formula: $N_2O$
Chemical formula: N2O
Structural formula: N#[N+][O-]
Charge: 0
Unpaired electrons: 0

	Atom	Name	Number
	$N$	Nitrogen	1
	$N^+$	Nitrogen cation	1
	$O^-$	Oxide anion	1

Relations

no

Isotopic composition

Isotope mixture type: terrestrial abundance

Nuclear spin isomers

Spin type: unique
Spin quantum numbers: 0

Molar mass: 44.0128 $g/mol$
State STP: gas
Protic: aprotic
Polarity: nonpolar
Dipole: 0.1608 $D$

Fundamental vibration modes

Molecule symmetry

Cinfv

Case

linear-triatomic

Vibrations number

3

Vibrations

Label	Mode	Bond	Symmetry	Degeneracy	Fundamental frequency	Observed frequency	Observed frequency	Harmonic frequency	Activity IR	Activity Raman	Strength	Comments
V1	stretching	$N\equiv N^{+}-$	$\Sigma+$	no	2224.0	2223.7		2282.2	active	active	vw	Raman: 2224 $cm^{-1}$ (w)
V2	bending	$N_2O$	$\Pi$	double	589.0	588.7		596.3	active	active	s	Raman: 589 $cm^{-1}$ (w)
V3	stretching	$\equiv N^+-O^-$	$\Sigma+$	no	1285.0	1284.9		1298.3	active	active	vs	Raman: 1287 $cm^{-1}$ (vs)

Comments

Vibrations of the main isotope:

$^{14}N_2^{16}O$ . Data from NIST Chemistry WebBook

Publications

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

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$N\equiv N^{+}-$	1
	$\equiv N^+-O^-$	1