Sulfur monoxide | SSHADE

Molecule

Name: Sulfur monoxide

Name and identifiers

IUPAC name: Sulfur monoxide
Secondary names: Oxidosulfur, SO
InChI: InChI=1S/OS/c1-2
InChI key: XTQHKBHJIVJGKJ-UHFFFAOYSA-N
CAS number: 13827-32-2
Comments: natural $SO$

Structure and atomic composition

Formula: $SO$
Chemical formula: SO
Structural formula: S=O
Charge: 0
Unpaired electrons: 2

	Atom	Name	Number
	$S$	Sulfur	1
	$O$	Oxygen	1

Relations

no

Isotopic composition

Isotope mixture type

terrestrial abundance

Isotopes

	Isotope	Mole fraction
	$^{32}S^{16}O$	0.94759
	$^{32}S^{17}O$	0.000361
	$^{32}S^{18}O$	0.0019473
	$^{33}S^{16}O$	0.0074817
	$^{33}S^{17}O$	2.85e-06
	$^{33}S^{18}O$	1.538e-05
	$^{34}S^{16}O$	0.042397
	$^{34}S^{17}O$	1.615e-05
	$^{34}S^{18}O$	8.713e-05

Nuclear spin isomers

Spin type: unique
Spin quantum numbers: 0

Molar mass: 48.064 $g/mol$
State STP: gas
State NTP: gas
Protic: aprotic
Polarity: polar

Fundamental vibration modes

Molecule symmetry

Cinfv

Case

diatomic

Vibrations number

1

Vibrations

Label	Mode	Bond	Symmetry	Degeneracy	Fundamental frequency	Observed frequency	Observed frequency	Harmonic frequency	Activity IR	Activity Raman	Strength	Comments
V1	stretching	$S=O$	$\Sigma-$	no	1138.0	1138.0		1149.2	active	active	vs

Comments

Vibration of the main isotope: $^{32}S^{16}O$. Data from Huber and Herzberg 1979 and NIST Chemistry WebBook

Publications

Shimanouchi, 1972, Natl. Bur. Stand., 39, 1 - 160

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$S=O$	1