Molecule
- Name
- Disulfur monoxide
- IUPAC name
- (32S,33S,16O)Disulfur monoxide
- Secondary names
- Sulfur suboxide, Sulphur suboxide, Sulfuroxide, Sulphuroxide, S2O
- InChI
- InChI=1S/OS2/c1-3-2/i1+0,2+0,3+1
- InChI key
- TXKMVPPZCYKFAC-ZAIVOFEBSA-N
- Comments
- $^{32}S^{33}S^{16}O$ isotope
- Formula
- $^{32}S^{33}S^{16}O$
- Chemical formula
- S2O
- Isotopic formula
- [32S][33S][16O]
- Structural formula
- [32S]=[33S]=[16O]
- Charge
- 0
- Unpaired electrons
- 0
- Relations
-
- no
- Isotope mixture type
- terrestrial abundance
- Spin type
- unique
- Spin quantum numbers
- 0
- Molar mass
- 80.938 $g/mol$
- State STP
- gas
- State NTP
- gas
- Protic
- aprotic
- Polarity
- polar
- Molecule symmetry
- unknown
- 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 $=^{33}S=^{16}O$ $A_{}'$ no active active V2 bending $^{32}S^{33}S^{16}O$ no active active V3 stretching $=^{33}S=^{32}S$ no active active