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  • 1
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 64 (1997), S. 247-248 
    ISSN: 0020-7608
    Keywords: Chemistry ; Theoretical, Physical and Computational Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: It is well known that urea-nitrate (UN) is a white solid complex prepared by urea with nitric acid, which is thus usually written as U⋅HNO3, (U--urea). Now it has widely been applied to fertilizer manufacture, chemical washing, petroleum opening, and other fields in industry because of its solubility in water into the original materials, i.e., urea and nitric acid. Up to now little is known about the electronic structure and chemical bond of UN. Therefore in this study the electronic structure of UN has been calculated by the SCC-DV-Xα method and its infrared and ultraviolet absorption bands and XPS binding energy have been investigated. On the basis of these, the chemical bond of UN has been discussed and a chemical formula for UN, [UH]+NO3-, to be named uronium nitrate, is proposed.   © 1997 John Wiley & Sons, Inc. Int J Quant Chem 64: 247-248, 1997
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 70 (1998), S. 375-378 
    ISSN: 0020-7608
    Keywords: electronic structure ; catalytic properties ; Wangh-type anion ; heteropoly compounds ; DV-Xα method ; Chemistry ; Theoretical, Physical and Computational Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The electronic structure of Waugh anion (NiMo9O32)6- has been calculated by the DV-Xα method. The electronic structure and catalytic behavior of the Waugh anion are discussed. At the same time, the difference in electronic structure and relationship in catalytic behavior between Waugh and Keggin anions are compared.   © 1998 John Wiley & Sons, Inc. Int J Quant Chem 70: 375-378, 1998
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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