Sulfur dioxide | SSHADE

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Molecule

Name: Sulfur dioxide

Name and identifiers

IUPAC name: (36S,16O2)Sulfur dioxide
Secondary names: Sulfurous anhydride, Sulfurous oxide, Sulfur oxide, Sulphur dioxide, Sulfurous acid anhydride, SO2, SO2-36
InChI: InChI=1S/O2S/c1-3-2/i1+0,2+0,3+1
InChI key: RAHZWNYVWXNFOC-ZAIVOFEBSA-N
Comments: $^{36}S^{16}O_2$ isotope

Structure and atomic composition

Formula: $^{36}S^{16}O_2$
Chemical formula: SO2
Isotopic formula: [36]S[16]O2
Structural formula: [16O]=[36S]=[16O]
Charge: 0
Unpaired electrons: 0

	Atom	Name	Number
	$^{36}S$	Sulfur	1
	$^{16}O$	Oxygen	2

Relations

no

Isotopic composition

Isotope mixture type: pure isotope

Nuclear spin isomers

Spin type: unique
Spin quantum numbers: 0

Molar mass: 67.95691 $g/mol$
State STP: gas
Protic: aprotic
Polarity: polar
Dipole: 1.63305 $D$

Fundamental vibration modes

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.	$^{36}S^{16}O_2$	$A_{1}$	no					active	active	s
V2	bending	$^{36}S^{16}O_2$	$A_{1}$	no					active	active	s
V3	stretching asym.	$^{36}S^{16}O_2$	$B_{1}$	no					active	active	s

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$=^{36}S=^{16}O$	2

Wikipedia: $SO_2$