Crossed Molecular Beam Study of the Reactions of Oxygen and Fluorine Atoms PDF Download
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Author: Yuan T. Lee Publisher: ISBN: Category : Languages : en Pages : 82
Book Description
Rapid developments in the study of oxygen reaction chemistry occurred as it is succeeded in obtaining an O(1D) beam source and commenced investigating the dynamics of several important reactions of O(3P) and O(1D). In the reaction of O(3P) with C6H6 and C6D6, two competing channels, one producing a stabilized addition complex and the other forming radical products C6H50 + H has been identified. Studies of the effects of collision energy and of deuteration were used to clarify the reaction mechanism. The reaction of O(3P) with another aromatic hydrocarbon toluene, results in competition between two substitution channels, loss of H atom and loss of CH3. In contrast to the 0 + C6H6 reaction, no stabilized oxygen-toluene adduct was observed.
Author: Yuan T. Lee Publisher: ISBN: Category : Languages : en Pages : 82
Book Description
Rapid developments in the study of oxygen reaction chemistry occurred as it is succeeded in obtaining an O(1D) beam source and commenced investigating the dynamics of several important reactions of O(3P) and O(1D). In the reaction of O(3P) with C6H6 and C6D6, two competing channels, one producing a stabilized addition complex and the other forming radical products C6H50 + H has been identified. Studies of the effects of collision energy and of deuteration were used to clarify the reaction mechanism. The reaction of O(3P) with another aromatic hydrocarbon toluene, results in competition between two substitution channels, loss of H atom and loss of CH3. In contrast to the 0 + C6H6 reaction, no stabilized oxygen-toluene adduct was observed.
Author: Y. T. Lee Publisher: ISBN: Category : Languages : en Pages : 29
Book Description
This report describes the construction of an advanced, high-resolution, photofragmentation-translation spectrometer. The major features of the machine are as follows. It is capable of measuring the differential, cross-section and translational-energy distributions of collisionless, photochemical events. It has a rotating, molecular-beam source and a fixed detector. This allows extreme temperatures in the bakeout process which will give very low background in the detector. The detector is an advanced design, electron-impact ionization, quadrupole mass-spectrometer. The pumping system uses cryopumping and turbomolecular pumps. This will increase the pumping speed for hydrocarbons and allow the low background detection of hydrocarbon masses. The purpose of this machine is to measure the product translational-energy distributions of photochemical processes, especially the photodecomposition of rocket fuel prototypes, so called 'energetic materials'. The low vapor pressure of these substances requires an efficient detector with a low background at hydrocarbon masses. (Author).
Author: Yuan Tseh Lee Publisher: ISBN: Category : Languages : en Pages : 11
Book Description
The development of rare gas seeded fluorine atom beam source and reactions studied by this new source are main subject of this brief final report. F+CH3I to IF + CH3 reaction has been studied.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The study of seven radical-molecule reactions using the crossed molecular beam technique with supersonic nozzle beams is reported. Product angular and velocity distributions were obtained and compared with statistical calculations in order to identify dynamical features of the reactions. In the reaction of chlorine and fluorine atoms with vinyl bromide, the product energy distributions are found to deviate from predictions of the statistical model. A similar effect is observed in the reaction of chlorine atoms with 1, 2 and 3-bromopropene. The reaction of oxygen atoms with ICl and CF3I has been used to obtain an improved value of the IO bond energy, 55.0 +- 2.0 kcal mol−1. In all reactions studied, the product energy and angular distributions are found to be coupled, and this is attributed to a kinematic effect of the conservation of angular momentum.
Author: Yuan T. Lee
Author: Yuan T. Lee
Author: Y. T. Lee
Author: Yuan Tseh Lee![Crossed Molecular Beam Studies of Unimolecular Reaction Dynamics. [Angular and Velocity Distributions]. PDF](https://books.google.com/books/content/images/frontcover/95N7AQAACAAJ?fife=w80-h100)
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Author: Martin Philip Hall
Author: Annemarie Schmoltner
Author: Richard James Buss
Author: 方靜雯
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