Accession Number:
ADA327228
Title:
Kinetics and Spectroscopy of BrNO
Descriptive Note:
Final rept.
Corporate Author:
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING
Personal Author(s):
Report Date:
1997-06-12
Pagination or Media Count:
333.0
Abstract:
The infrared spectra and photochemistry of nitrosyl bromide, BrNO, are important to characterizing the performance of a recently demonstrated Br2P12-NOv2-- v1 transfer laser pumped by photolysis of iodine molecules. This wavelength agile, mid-infrared laser may be a desirable source for remote sensing and infrared countermeasures missions. Nitrosyl bromide also plays a role in the destruction of stratospheric ozone. The kinetics of BrNO formation and destruction were examined using time-resolved photolysis techniques. The equilibrium constant for the dark reaction Br2 2NO reversible reaction 2BrNO was determined as Ksub eq 168 or - 23 atm and the rate constant for the forward reaction as k sub f 1.40 or - .18 x 10exp -38 cm to the 6th powersq molecules at 293K. A novel technique for the fitting of the observed time profiles to the three-body kinetics was developed which utilizes the complete temporal profile to establish the rate coefficients.
Descriptors:
- *SPECTROSCOPY
- *BROMIDES
- *BROMINE
- *NITROGEN COMPOUNDS
- *KINETICS
- RATES
- THESES
- EQUILIBRIUM(GENERAL)
- LASERS
- PROFILES
- MISSIONS
- REMOTE DETECTORS
- IODINE
- INFRARED COUNTERMEASURES
- OZONE
- INFRARED SPECTRA
- INTERMEDIATE INFRARED RADIATION
- STRATOSPHERE
- NITROSO COMPOUNDS
- DESTRUCTION
- MOLECULES
- PHOTOLYSIS
- PHOTOCHEMICAL REACTIONS
- LASER PUMPING
- FORWARD AREAS
Subject Categories:
- Inorganic Chemistry
- Radiation and Nuclear Chemistry
- Lasers and Masers
- Infrared Detection and Detectors