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Author: Arthur Allen Mason Publisher: ISBN: Category : Hydrogen fluoride Languages : en Pages : 156
Book Description
The purpose of the investigation was to determine the frequencies, the ground state rotational constants, the intensities, and the half widths of as many of the pure rotational absorption lines of hydrogen fluoride as could be measured. The problem, in part, required the development of a far infrared spectrometer. This was accomplished by the redesign and reconstruction of a PerkinElmer Model 12B prism instrument. The general techniques of far infrared instrumentation are discussed in detail and their application to this particular instrument explained. The vacuum wave numbers of the line centers of the first seventeen lines of the pure rotational spectrum of hydrogen fluoride were measured. These lines map the region between 41.08 cm( -1) and 658.54 cm( -1). The equivalent widths for fifteen lines were measured at several different pressures and found to be directly proportional to the pressure over the range of measurement. (Author).
Author: Arthur Allen Mason Publisher: ISBN: Category : Hydrogen fluoride Languages : en Pages : 156
Book Description
The purpose of the investigation was to determine the frequencies, the ground state rotational constants, the intensities, and the half widths of as many of the pure rotational absorption lines of hydrogen fluoride as could be measured. The problem, in part, required the development of a far infrared spectrometer. This was accomplished by the redesign and reconstruction of a PerkinElmer Model 12B prism instrument. The general techniques of far infrared instrumentation are discussed in detail and their application to this particular instrument explained. The vacuum wave numbers of the line centers of the first seventeen lines of the pure rotational spectrum of hydrogen fluoride were measured. These lines map the region between 41.08 cm( -1) and 658.54 cm( -1). The equivalent widths for fifteen lines were measured at several different pressures and found to be directly proportional to the pressure over the range of measurement. (Author).
Author: Dean W. Robinson Publisher: ISBN: Category : Languages : en Pages : 12
Book Description
A study was made of the far infrared spectra at liquid helium temperatures. At low temperatures rotational modes of vibrations become librational. A spherical environment was produced by condensing water and hydrogen fluoride in rare gas matrices. Pure crystals of polyatomic molecules such as hydrogen sulfide and iodide were studied. Solid solutions of water and deuterium oxide in rare gases were studied. Marked improvements were accomplished in a far infrared detector which operates at 1.5 Kelvin and in the construction of a low temperature infrared cell. (Author).
Author: Publisher: ISBN: Category : Languages : en Pages : 151
Book Description
The true shape of the rotational absorption lines of the hydrogen fluoride fundamental band was investigated. The line shapes were to be measured at pressures where pressure broadening made the only significant contribution to the true line shape. The experimental aspects of this investigation are discussed. All data were taken with the vacuum-grating spectrograph recently completed at the University of Tennessee. The results of the line center and line shape measurements are presented. Twentyone fundamental and seventeen first overtone line centers were measured at low pressure with an estimated accuracy of! 1/0.02 cm. The fundamental and first overtone band centers were calculated to be 1/3961.43 cm and 1/7750.83 cm, respectively. The results of this investigation and suggestions for future experiments in this field are presented.
Author: Arthur Allen Mason
Author: Arthur Allen Mason
Author: D. F. Smith
Author: Robert Morrell Talley
Author: William F. Herget
Author: William George Von Holle
Author: Dean W. Robinson
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Author: Willard Earl Hobbs