Molecule
- Name
- Sulfur dioxide
- IUPAC name
- (32S,18O2)Sulfur dioxide
- Secondary names
- Sulfurous anhydride, Sulfurous oxide, Sulfur oxide, Sulphur dioxide, Sulfurous acid anhydride, SO2
- InChI
- InChI=1S/O2S/c1-3-2/i1+2,2+2,3+0
- InChI key
- RAHZWNYVWXNFOC-QBYFCAOPSA-N
- Comments
- $^{32}S^{18}O_2$ isotope
- Formula
- $^{32}S^{18}O_2$
- Chemical formula
- SO2
- Isotopic formula
- [32]S[18]O2
- Structural formula
- [18O]=[32S]=[18O]
- Charge
- 0
- Unpaired electrons
- 0
- Relations
-
- no
- Isotope mixture type
- pure isotope
- Spin type
- unique
- Spin quantum numbers
- 0
- Molar mass
- 67.97039 $g/mol$
- State STP
- gas
- Protic
- aprotic
- Polarity
- polar
- Dipole
- 1.63305 $D$
- Molecule symmetry
- C2v
- 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 sym. $^{32}S^{18}O_2$ $A_{1}$ no 1101.0 1100.65 active active s V2 bending $^{32}S^{18}O_2$ $A_{1}$ no 497.0 496.7 active active s V3 stretching asym. $^{32}S^{18}O_2$ $B_{1}$ no 1317.9 1318.0 active active s - Comments
- Data from NIST Chemistry WebBook
- Publications