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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 107 (1974), S. 1882-1890 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Photoelectron Spectra and Molecular Properties, XXXIV. CyanamideThe PE spectrum of cyanamide is easily assigned by comparison with that of the isoelectronic acetonitrile. The orbital sequence obtained is supported by vibrational fine structures, by the PE spectrum of dimethylcyanamide, and by CNDO calculations. Furthermore, the calculated charge densities render possible an appreciation of properties of cyanamide and its alkyl derivatives.
    Notes: Das PE-Spektrum von Cyanamid läßt sich durch Vergleich mit dem des isoelektronischen Acetonitrils zwanglos zuordnen. Die so abgeleitete Orbitalreihenfolge wird durch Schwingungsfeinstrukturen, das PE-Spektrum von Dimethylcyanamid sowie durch CNDO-Rechnungen gestützt. Die berechneten Ladungsdichten erlauben darüber hinaus. Eigenschaften von Cyanamid und seinen Alkylderivaten zu verstehen.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 105 (1972), S. 1158-1167 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Photoelectron Spectra and Molecular Properties, IX. The π-Systems of the cis- and trans-DicyanoethylenesThe photoelectron(PE) spectra of maleo- and fumarodinitriles are assigned on the basis of their vibrational fine structures. The ionization energies of the πz-system are identical for the cis and trans isomer. From the different positions of the πxy-bands, „trough space“- and „through bond“ interactions can be estimated.
    Notes: Die Photoelektronen(PE)-Spektren der Maleinsäure- und Fumarsäure-dinitrile werden an Hand ihrer Schwingungsfeinstrukturen zugeordnet. Die Ionisierungsenergien des πz-Systems sind für das cis- und trans-Isomere identisch. Die unterschiedliche Lage der πxy-Banden erlaubt, „through space“- und „through bond“-Wechselwirkungen abzuschätzen.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The helium (I) photoelectron spectrum of C(CN)4 curiously displays ionizations only in two small windows from 13.8 eV to 14.5 eV and from 14.8 eV to 15.5 eV, respectively. A tentative assignment of the numerous overlapping bands - based on a spectroscopically parametrized LCBO MO model - correlates satisfactorily with ionization potentials of other cyano compounds as well as of tetrahalomethanes.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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