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  • 1
    Electronic Resource
    Electronic Resource
    Approximate single-valued representations of multivalued potential energy surfaces (1984)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 88 (1984), S. 4887-4891 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j150665a016
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Structure and stability of the nitric oxide dimer (1971)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 93 (1971), S. 7149-7152 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00755a006
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Nitrogen metabolism in Xanthobacter H4-14 (1983)
    Springer
    Archives of microbiology 136 (1983), S. 219-221 
    Details
    ISSN: 1432-072X
    Keywords: Xanthobacter ; Nitrogen fixation ; Oxygen sensitivity ; Nitrogen metabolism ; Glutamine synthetase ; Glutamate synthase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract N2-fixation was investigated in the chemoautotrophic hydrogen bacterium Xanthobacter H4-14. N2-fixing batch cultures of this organism could only be grown at pO2 values of around 0.02 bar, and in continuous culture dissolved oxygen tensions above 16 μM were found to inhibit N2-fixation. Xanthobacter H4-14 utilized a variety of amino acids, nitrate and ammonia as nitrogen sources. Cell-free extracts from steady-state continuous cultures of ammonia grown, nitrate grown and N2-fixing Xanthobacter were assayed for the presence of ammonia assimilation enzymes. No alanine dehydrogenase or glutamate dehydrogenase activity was detected. Ammonia was assimilated exclusively via the glutamine synthetase/glutamate synthase pathway, irrespective of the extracellular concentration of ammonia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00409848
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  • 4
    Electronic Resource
    Electronic Resource
    Finite analytical expressions for two-centre exchange integrals between having the same exponents (1971)
    Springer
    Theoretical chemistry accounts 21 (1971), S. 301-308 
    Details
    ISSN: 1432-2234
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfasung Für eine Reihe von Zweizentren-Austauschintegralen zwischen Slaterorbitalen werden geschlossene analytische Ausdrücke mitgeteilt, wobei allerdings nur ls-, 2s- und 2pσ-Orbitale mit gleichen Exponenten behandelt werden. Schließlich wird noch eine asymptotische Entwicklung für großeR angegeben.
    Abstract: Resumé Obtention d'expressions analytiques compactes pour certaines intégrales d'échange bicentriques entre orbitales de Slater. On considère des intégrales impliquant des orbitales ls, 2s et 2pσ avec comme restriction l'égalité des exposants orbitaux. Un développement valable pour les grandes valeurs deR est aussi obtenu.
    Notes: Abstract Closed analytical expressions are derived for some two-centre exchange integrals between Slater orbitals. Integrals involving 1s, 2s and 2pσ orbitals are considered with the restriction that the two orbitals have the same exponent. An expansion formula accurate for large values ofR is also derived.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01172020
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  • 5
    Electronic Resource
    Electronic Resource
    Quantum mechanical calculations of vibrational transition probabilities in collinear atom-triatom collisions (1981)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 19 (1981), S. 105-112 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Quantum mechanical calculations have been made of vibrational transition probabilities in the collinear collision of an inert gas atom with either CO2 or OCS. The dependence of the transition probability on the relative translational energy and the reduced mass is similar to that found for atom-diatom collisions. The transition P00 → 10 (excitation of the first stretching mode) is much greater than P00 → 01 (the second stretching mode). This is largely due to the difference in frequencies but it has been shown that there is an independent mass factor responsible for this difference.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560190110
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  • 6
    Electronic Resource
    Electronic Resource
    Application of the strong-coupling correspondence principle to atom-triatom collinear collisions (1981)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 19 (1981), S. 95-104 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The strong-coupling correspondence principle has been used to calculate the T-V transition probabilities in the collinear collision of He and Kr with CO2. For a harmonic CO2 potential the results for He agree well with published quantum mechanical probabilities. For Kr the agreement is less satisfactory but at worst the ratio of quantum to semiclassical transition probability is approximately 0.2. Introduction of anharmonicity in the CO2 potential was found to increase the semiclassical transition probabilities but this may just be due to the lowering of the vibration frequencies.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560190109
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    Paper (German National Licenses)
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