Molecule
Name
Disulfur monoxide
IUPAC name
(33S2,16O)Disulfur monoxide
Secondary names
Sulfur suboxide, Sulphur suboxide, Sulfuroxide, Sulphuroxide, S2O
InChI
InChI=1S/OS2/c1-3-2/i1+0,2+1,3+1
InChI key
TXKMVPPZCYKFAC-DNJMCIJBSA-N
Comments
$^{33}S_2^{16}O$ isotope
Structure and atomic composition
Formula
$^{33}S_2^{16}O$
Chemical formula
S2O
Isotopic formula
[33S][33S][16O]
Structural formula
[33S]=[33S]=[16O]
Charge
0
Unpaired electrons
0
  Atom Name Number
$^{33}S$ Sulfur 2
$^{16}O$ Oxygen 1
Relations
  • no
Isotope mixture type
terrestrial abundance
Spin type
unique
Spin quantum numbers
0
Molar mass
81.938 $g/mol$
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 $^{33}S_2^{16}O$ no active active
V3 stretching $=^{33}S=^{33}S$ no active active
Comments
Vibrations of the main isotope: $^{33}S_2^{16}O$. Data from NIST Chemistry WebBook
Chemical bonds
  Bond Number
$=^{33}S=^{16}O$ 1
$=^{33}S=^{33}S$ 1