Potassium chloride | SSHADE

Molecule

Name: Potassium chloride

Name and identifiers

IUPAC name: Potassium chloride
Secondary names: Sylvite, Muriate of potash, KCl
InChI: InChI=1S/ClH.K/h1H;/q;+1/p-1
InChI key: WCUXLLCKKVVCTQ-UHFFFAOYSA-M
CAS number: 7447-40-7

Structure and atomic composition

Formula: $KCl$
Chemical formula: KCl
Structural formula: [K+] [Cl-]
Charge: 0
Unpaired electrons: 0

	Atom	Name	Number
	$K^+$	Potassium(1+) cation	1
	$Cl^-$	Chloride anion	1

Isotopic composition

Isotope mixture type: terrestrial abundance

Nuclear spin isomers

Spin type: unique

Molar mass: 42.394 $g/mol$
State STP: solid
State NTP: solid
Protic: aprotic
Polarity: polar
Dipole: 10.269 $D$

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	$K^+ \cdot Cl^-$	$\Sigma+$	no	278.4			281.0	active	active		for $K^{35}Cl$

Comments

Data from NIST CCCBDB.

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$K^+ \cdot Cl^-$	1