Molecule
Name
Disulfur monoxide
IUPAC name
(32S2,18O)Disulfur monoxide
Secondary names
Sulfur suboxide, Sulphur suboxide, Sulfuroxide, Sulphuroxide, S2O
InChI
InChI=1S/OS2/c1-3-2/i1+2,2+0,3+0
InChI key
TXKMVPPZCYKFAC-RGWJVWCBSA-N
Comments
32S182O isotope
Formula
32S182O
Chemical formula
S2O
Isotopic formula
[32S][32S][18O]
Structural formula
[32S]=[32S]=[18O]
Charge
0
Unpaired electrons
0
  Atom Name Number
32S Sulfur 2
18O Oxygen 1
Relations
  • no
Isotope mixture type
terrestrial abundance
Spin type
unique
Spin quantum numbers
0
Molar mass
81.943 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 =32S=18O A no active active
V2 bending 32S182O no active active
V3 stretching =32S=32S no active active
Chemical bonds
  Bond Number
=32S=18O 1
=32S=32S 1