TANTALUM(V) OXIDE - (1314-61-0)

Introduction

Name: tantalum(V) oxide
* IUPAC
CAS Number: 1314-61-0
Chemical Formula: Ta2O5
Molar Mass: 441.8928 g
Mass Percent: Ta 81.896 %; O 18.103 % 

Classification

• inorganic

Bonding

Bonding: ionic
Ionic Character: 58.79 %

Thermochemistry

ΔHf° (s beta): -489.0 kcal/mol 1 = -2,045.98 kJ/mol
S° (s beta): 34.2 cal/(mol•K) 2 = 143.09 J/(mol•K)
ΔGf° (s beta): -456.8 kcal/mol 3 = -1,911.25 kJ/mol

For More Information

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.