HAFNIUM FLUORIDE - (13709-52-9)

Introduction

Name: hafnium fluoride
* IUPAC
CAS Number: 13709-52-9
Chemical Formula: HfF4
Molar Mass: 254.4836128 g
Mass Percent: Hf 70.138 %; F 29.861 % 

Classification

• inorganic

Bonding

Bonding: ionic
Ionic Character: 81.21 %

Thermochemistry

ΔHf° (s monoclinic): -461.4 kcal/mol 1 = -1,930.50 kJ/mol
S° (s monoclinic): 27 cal/(mol•K) 2 = 112.97 J/(mol•K)
ΔGf° (s monoclinic): -437.5 kcal/mol 3 = -1,830.50 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.