Molecule
Name
Nitric oxide
IUPAC name
Nitric oxide
Secondary names
Nitrogen monoxide, NO
InChI
InChI=1S/NO/c1-2
InChI key
MWUXSHHQAYIFBG-UHFFFAOYSA-N
CAS number
10102-43-9
Comments
natural $NO$
Formula
${\bullet}NO$
Chemical formula
NO
Structural formula
[N]=[O]
Charge
0
Unpaired electrons
0
  Atom Name Number
$N$ Nitrogen 1
$O$ Oxygen 1
Relations
  • no
Isotope mixture type
terrestrial abundance
Isotopes
  Isotope Mole fraction
$\bullet ^{14}N^{16}O$ 0.993939
Spin type
unique
Spin quantum numbers
0
Molar mass
30.0061 $g/mol$
State STP
gas
Protic
aprotic
Polarity
nonpolar
Dipole
0.15872 $D$
Molecule symmetry
Cinfv
Case
diatomic
Vibrations number
1
Vibrations
Label Mode Bond Symmetry Degeneracy Fundamental frequency Observed frequency Observed frequency Harmonic frequency Activity IR Activity Raman Strength Comments
V stretching $N^{\bullet}=O$ $\Pi$ no 1875.0 1904.2 active active vs
Comments
Vibrations of the main isotope: $^{14}N^{16}O$. Data from HITRAN and NIST Chemistry WebBook
Publications
Chemical bonds
  Bond Number
$N^{\bullet}=O$ 1