CESIUM HYDROXIDE - (21351-79-1)

Introduction

Name: cesium hydroxide; caesium hydroxide
* IUPAC
CAS Number: 21351-79-1
Chemical Formula: CsOH
Molar Mass: 149.91279 g
Mass Percent: Cs 88.655 %; O 10.672 %; H 0.6723 % 

Classification

• inorganic

Physical Properties

Melting Point:*
342.3°C 1 = 615.45 K = 648.14°F


* - 1 atm pressure

Bonding

Thermochemistry

ΔHf° (s): -99.6 kcal/mol 2 = -416.73 kJ/mol
ΔHf° (ℓ): -97.04 kcal/mol 2 = -406.02 kJ/mol
ΔHf° (g): -62.0 kcal/mol 2 = -259.41 kJ/mol
S° (s): 23.6 cal/(mol•K) 3 = 98.74 J/(mol•K)
S° (ℓ): 28.31 cal/(mol•K) 3 = 118.45 J/(mol•K)
S° (g): 60.98 cal/(mol•K) 3 = 255.14 J/(mol•K)
ΔGf° (s): -86.6 kcal/mol 4 = -362.33 kJ/mol
ΔGf° (ℓ): -87.45 kcal/mol 4 = -365.89 kJ/mol
ΔGf° (g): -62.1 kcal/mol 4 = -259.83 kJ/mol

For More Information

Sources

(1) - Lide, David R. CRC Handbook of Chemistry and Physics, 84th ed.; CRC Press: Boca Raton, FL, 2003; p 4-51.
(2) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(3) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(4) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.