CHROMIUM(IV) OXIDE - (12018-01-8)

Introduction

Name: chromium(IV) oxide
* IUPAC
CAS Number: 12018-01-8
Chemical Formula: CrO2
Molar Mass: 83.9949 g
Mass Percent: Cr 61.903 %; O 38.096 % 

Classification

• inorganic

Uses/Function

• "In magnetic recording tapes; as catalyst." 1

Bonding

Bonding: ionic
Ionic Character: 53.94 %

Thermochemistry

ΔHf° (g): -18.00 kcal/mol 2 = -75.31 kJ/mol
S° (g): 64.32 cal/(mol•K) 3 = 269.11 J/(mol•K)
ΔGf° (g): -20.88 kcal/mol 4 = -87.36 kJ/mol

For More Information

Sources

(1) - The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals, 13th ed.; Budavari, S.; O'Neil, M.J.; Smith, A.; Heckelman, P. E.; Kinneary, J. F., Eds.; Merck & Co.: Whitehouse Station, NJ, 2001; entry 2254.
(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.