Carbon monoxide | SSHADE

Molecule

Name: Carbon monoxide

Name and identifiers

IUPAC name: Carbon monoxide
Secondary names: Carbon oxide, Carbonic oxide, CO
InChI: InChI=1S/CO/c1-2
InChI key: UGFAIRIUMAVXCW-UHFFFAOYSA-N
CAS number: 630-08-0
Comments: natural $CO$

Structure and atomic composition

Formula: $CO$
Chemical formula: CO
Structural formula: [C-]#[O+]
Charge: 0
Unpaired electrons: 0

	Atom	Name	Number
	$C$	Carbon	1
	$O$	Oxygen	1

Relations

no

Isotopic composition

Isotope mixture type

terrestrial abundance

Isotopes

	Isotope	Mole fraction
	$^{12}C^{16}O$	0.986896
	$^{12}C^{17}O$	0.0003759
	$^{12}C^{18}O$	0.0020281
	$^{13}C^{16}O$	0.010674
	$^{13}C^{17}O$	4.066e-06
	$^{13}C^{18}O$	2.194e-05

Nuclear spin isomers

Spin type: unique
Spin quantum numbers: 0

Molar mass: 28.01014082 $g/mol$
State STP: gas
Protic: aprotic
Polarity: nonpolar
Dipole: 0.1098 $D$

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
V	stretching	$C^-\equiv O^+$	$\Sigma+$	no	2143.0	2143.2		2169.814	active	active	vs

Comments

Vibrations of the main isotope: $^{12}C^{16}O$. Data from HITRAN

Publications

Rothman et al., 2005, J. Quant. Spectrosc. Radiat. Transf., 96, 139 - 204

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$C^-\equiv O^+$	1