Disulfur monoxide | SSHADE

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Molecule

Name: Disulfur monoxide

Name and identifiers

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

Isotopic composition

Isotope mixture type: terrestrial abundance

Nuclear spin isomers

Spin type: unique
Spin quantum numbers: 0

Molar mass: 81.938 $g/mol$
State STP: gas
State NTP: gas
Protic: aprotic
Polarity: polar

Fundamental vibration modes

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 functions and bonds

Chemical bonds

	Bond	Number
	$=^{33}S=^{16}O$	1
	$=^{33}S=^{33}S$	1