NIOBIUM(V) CHLORIDE - (10026-12-7)

introduction

prénom: niobium(V) chloride
* IUPAC
Numero CAS: 10026-12-7
Formule chimique: NbCl5
Masse molaire: 270.17138 g
Pourcentage de masse: Nb 34.387 %; Cl 65.612 % 

Classification

Bonding

Bonding: polar covalent
Ionic Character: 47.27 %

Thermochimie

ΔHf° (s): -190.6 kcal/mol 1 = -797.47 kJ/mol
ΔHf° (g): -168.2 kcal/mol 1 = -703.75 kJ/mol
S° (s): 50.3 cal/(mol•K) 2 = 210.46 J/(mol•K)
S° (g): 95.71 cal/(mol•K) 2 = 400.45 J/(mol•K)
ΔGf° (s): -163.3 kcal/mol 3 = -683.25 kJ/mol
ΔGf° (g): -154.4 kcal/mol 3 = -646.01 kJ/mol

Pour plus d'informations

Sources

(1) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(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.