Accession Number:

AD0263364

Title:

STUDIES OF HYDROGEN PEROXIDE: THE INFRARED SPECTRUM AND THE INTERNAL ROTATION PROBLEM

Descriptive Note:

Corporate Author:

WASHINGTON UNIV SEATTLE

Personal Author(s):

Report Date:

1961-08-31

Pagination or Media Count:

1.0

Abstract:

Several H2O2 infrared absorption bands have been obtained under 10.2 cm. resolution. They demonstrate both doubling due to internal rotation and effects due to the ine tial asymmetry. The ground state rotational constants are found to be A equals 110.068 cm, B equals 0.8740, C equals 0.8384. These parameters indicate a wide dihedral angle for H2O2, as proposed in the following structure OO bond equals 1.475 A, OH bond equals 0.950 A, dihedral angle equals 119.8 degrees and OOH angle equals 94.8 degrees. The constants are applied to the microwave data for H2O2 and the deuterated species. The ground state splitting is found to be 111.44 cm, and this, used with the recently reported torsion at 1317 cm, yields the barriers hindering internal rotation. They are V sub cis equals 11300 cm and V sub trans equals 1300 cm. A simple correlation of the IR doublings is attempted. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE