Matrix Isolated Infrared Spectroscopic Study of the Oxidation Reaction Intermediates of Electron Donors by Chromyl Chloride PDF Download
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Author: Susan Rae Anderson
Publisher:
ISBN:
Category :
Languages : en
Pages : 278
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Book Description
The matrix isolation technique has been employed to sequentially isolate intermediates when formed in the oxidation of various organic electron donors and ammonia with chromyl chloride. Both merged jet and twin jet configurations were used to deposit the reactants upon the CsI window in the cold head. Annealing the matrix to 36K was done on most of the samples to enhance the intensity of the initial complex formed upon deposition. The matrix was then irradiated with a mercury arc lamp for one hour. In most instances, this led to the destruction of the initial complex and to the formation a new product. Density functional calculations (B3LYP/6-311G) were carried out on the SGI computers using Gaussian 94 in order to provide theoretical vibrational spectra of the intermediates for comparison with the experimental spectra. Blank depositions and theoretical calculations were also carried out on all the reactants individually.
Author: Susan Rae Anderson
Publisher:
ISBN:
Category :
Languages : en
Pages : 278
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Book Description
The matrix isolation technique has been employed to sequentially isolate intermediates when formed in the oxidation of various organic electron donors and ammonia with chromyl chloride. Both merged jet and twin jet configurations were used to deposit the reactants upon the CsI window in the cold head. Annealing the matrix to 36K was done on most of the samples to enhance the intensity of the initial complex formed upon deposition. The matrix was then irradiated with a mercury arc lamp for one hour. In most instances, this led to the destruction of the initial complex and to the formation a new product. Density functional calculations (B3LYP/6-311G) were carried out on the SGI computers using Gaussian 94 in order to provide theoretical vibrational spectra of the intermediates for comparison with the experimental spectra. Blank depositions and theoretical calculations were also carried out on all the reactants individually.
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Category : Dissertations, Academic
Languages : en
Pages : 580
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Author: Huongtrandiep Phan
Publisher:
ISBN:
Category :
Languages : en
Pages : 40
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Book Description
The utilization of metal oxide thin films in the microelectronics field as well as in solar energy conversion, laser production and in many other areas has grown rapidly together with the methods to produce these films. In this study, we will discuss the mechanism of the reaction of ozone with trimethylaluminum Al(CH3)3, which has been utilized for the synthesis of aluminum oxide thin films in industry. Al2O3 thin films have attracted substantial interest due to its relatively high dielectric constant, high radiation resistance and high thermal conductivity, also thermal and chemical stability on Si substrates. A detailed understanding of the mechanism of the reaction of O3 with Al(CH3)3 in gas phase can be useful for the engineers to modify the reactor design to synthesize higher quality thin films. Matrix isolation technique, combined with infrared spectroscopy, has been used in this study to isolate and characterize the reactive intermediates of this reaction. Merged jet, twin jet and concentric jet codeposition of the samples, together with 18O isotopic labeling experiments led to the isolation of formaldehyde and ethane as primary products and other initial products. Those results suggest a mechanism in which the initial step involves the formation of an excited H3CO radical by the oxidation of the Al-C bond. Twin jet codeposition led to the final spectra with extremely weak intensity of the product bands. Density functional theory calculations at the B3LYP/6-311++G(d,2p) level have been carried out to support the identification of the possible products.
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Category :
Languages : en
Pages :
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Author: Eric Stephen Ball
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Category :
Languages : en
Pages : 182
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Author: Gina Marie MacDonald
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Category :
Languages : en
Pages : 452
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 459
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Author: Matthew Clair McCluskey
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ISBN:
Category : Antimony
Languages : en
Pages : 344
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Author: Craig S. Sass
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ISBN:
Category : Bases (Chemistry)
Languages : en
Pages : 238
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 1076
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