BORON TRIBROMIDE - (10294-33-4)

Introduction

Name: boron tribromide
* IUPAC
CAS Number: 10294-33-4
Chemical Formula: BBr3
Molar Mass: 250.523 g
Mass Percent: B 4.3153 %; Br 95.684 % 

Classification

• inorganic

Bonding

Double Bonds: 0
Triple Bonds: 0
Sigma Bonds: 3
Pi Bonds: 0
Total: 3
Carboxyl Groups: 0
Hydroxyl Groups: 0
Geometry: trigonal planar
Hybridization: sp2
Bonding: polar covalent
Ionic Character: 27.88 %

Thermochemistry

ΔHf° (ℓ): -57.3 kcal/mol 1 = -239.74 kJ/mol
ΔHf° (g): -49.15 kcal/mol 1 = -205.64 kJ/mol
S° (ℓ): 54.9 cal/(mol•K) 2 = 229.70 J/(mol•K)
S° (g): 77.47 cal/(mol•K) 2 = 324.13 J/(mol•K)
ΔGf° (ℓ): -57.0 kcal/mol 3 = -238.49 kJ/mol
ΔGf° (g): -55.56 kcal/mol 3 = -232.46 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.