Molecule
Name
Nitrous oxide
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 N2O. The structural formula can also be written [N-]=[N+]=[O]; [N]#[N]=[O] (NIST)
Formula
N2O
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
Isotope mixture type
terrestrial abundance
Spin type
unique
Spin quantum numbers
0
Molar mass
44.0128 g/mol
State STP
gas
Protic
aprotic
Polarity
nonpolar
Dipole
0.1608 D
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 NN+ Σ+ no 2224.0 2223.7 2282.2 active active vw Raman: 2224 cm1 (w)
V2 bending N2O Π double 589.0 588.7 596.3 active active s Raman: 589 cm1 (w)
V3 stretching N+O Σ+ no 1285.0 1284.9 1298.3 active active vs Raman: 1287 cm1 (vs)
Comments
Vibrations of the main isotope: 14N216O. Data from NIST Chemistry WebBook
Publications
Chemical bonds
  Bond Number
NN+ 1
N+O 1