CESIUM CHLORIDE - (7647-17-8)

Introduction

Name: cesium chloride; caesium chloride
* IUPAC
CAS Number: 7647-17-8
Chemical Formula: CsCl
Molar Mass: 168.35845 g
Mass Percent: Cs 78.941 %; Cl 21.058 % 

Classification

• inorganic

Physical Properties


Boiling Point:*
1297°C 1 = 1570.15 K = 2366.6°F

* - 1 atm pressure

Bonding

Bonding: ionic
Ionic Character: 71.82 %

Thermochemistry

ΔHf° (s): -105.84 kcal/mol 2 = -442.83 kJ/mol
ΔHf° (ℓ): -103.8 kcal/mol 2 = -434.30 kJ/mol
ΔHf° (g): -57.4 kcal/mol 2 = -240.16 kJ/mol
S° (s): 24.183 cal/(mol•K) 3 = 101.18 J/(mol•K)
S° (ℓ): 24.31 cal/(mol•K) 3 = 101.71 J/(mol•K)
S° (g): 61.18 cal/(mol•K) 3 = 255.98 J/(mol•K)
ΔGf° (s): -99.0 kcal/mol 4 = -414.22 kJ/mol
ΔGf° (ℓ): -97.1 kcal/mol 4 = -406.27 kJ/mol
ΔGf° (g): -61.6 kcal/mol 4 = -257.73 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.