Molecule
Name
Sulfur dioxide
IUPAC name
(32S,16O,17O)Sulfur dioxide
Secondary names
Sulfurous anhydride, Sulfurous oxide, Sulfur oxide, Sulphur dioxide, Sulfurous acid anhydride, SO2
InChI
InChI=1S/O2S/c1-3-2/i1+0,2+1,3+0
InChI key
RAHZWNYVWXNFOC-LRGBUXLWSA-N
Comments
32S16O17O isotope
Formula
32S16O17O
Chemical formula
SO2
Isotopic formula
[32]S[16]O[17]O
Structural formula
[16O]=[32S]=[17O]
Charge
0
Unpaired electrons
0
  Atom Name Number
32S Sulfur 1
16O Oxygen 1
17O Oxygen 1
Relations
  • no
Isotope mixture type
pure isotope
Spin type
equilibrated
Molar mass
64.966117 g/mol
State STP
gas
Protic
aprotic
Polarity
polar
Dipole
1.63305 D
Molecule symmetry
Cs
Case
nonlinear-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 =32S=16O A1 no active active s
V2 bending 32S16O17O A1 no active active s
V3 stretching =32S=17O B1 no active active s
Chemical bonds
  Bond Number
=32S=16O 1
=32S=17O 1