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2000 (1)
1983 (1)
1976 (1)
1Author    Liuping Chen, Hans-Dietrich LüdemannRequires cookie*
 Title    Influence of Conformational Equilibria upon the Self-Diffusion of the Conformers in Neat Liquids  
 Abstract    The self-diffusion coefficients D of the isomers of liquid N-isopropyl-N-methylacetamide (IPMAA) and acetylacetone (AC AC) are studied as functions of temperature. For AC AC also pressure dependent studies were undertaken. In IPMAA the eis and trans conformers have almost identical D. In liquid ACAC, D Kclo is always smaller than D cnol , this difference being 15% around 300 K. 
  Reference    Z. Naturforsch. 55a, 605—608 (2000); received April 19 2000 
  Published    2000 
  Keywords    Conformers, Self Diffusion, Neat Liquids, Pressure 
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 TEI-XML for    default:Reihe_A/55/ZNA-2000-55a-0605.pdf 
 Identifier    ZNA-2000-55a-0605 
 Volume    55 
2Author    Galina Tschmutowa, Hans BockRequires cookie*
 Title    Photoelektronen-Spektren und Moleküleigenschaften, LXIII 1 Ionisierungsenergien von Phenyl-Methyl-Tellurid und Vergleich der Effekte von Sauerstoff-, Schwefel-, Selen-und Tellur-Substituenten auf das Benzol-rc-System Photoelectron Spectra and Molecular Properties, LXIII 1 Ionization Energies of Phenyl Methyl Telluride and Comparison of Effects of Oxygen, Sulphur, Selenium and Tellurium Substituents on the Benzene n System  
 Abstract    The photoelectron spectrum of HsC6-Te-CH 3 displays in its low energy region over-lapping bands of gas-phase conformers. Depending on the dihedral angle between the plane of the phenyl ring and the tellurium lone pair, the TI conjugation amounts to only 0.1 eV and 0.3 eV, respectively. These values are compared to the considerably larger ones found for the analogous phenyl derivatives H5C6-X-CH3 with X = O, S and Se. 
  Reference    (Z. Naturforsch. 31b, 1611—1615 [1976]; eingegangen am 16. August 1976) 
  Published    1976 
  Keywords    Tellurium Organic Compounds, Photoelectron Spectra, n; Conjugation, Conformers 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1611.pdf 
 Identifier    ZNB-1976-31b-1611 
 Volume    31 
3Author    Karl Schlosser, Helge WillnerRequires cookie*
 Title    Photochemisches Verhalten von (CF3S)2CS in Inertgasmatrix Photochemical Behavior of (CFsS^CS in Rare Gas Matrix  
 Abstract    Infrared spectra have been recorded of (CFsS^CS in the gas and solid phase as well as isolated in noble gas matrix; the Raman spectra of the liquid have also been taken. The analyses of the spectra show that this compound consists of a complex mixture of con-formers. By photolysis in a matrix with light of wavelength > 300 nm the distribution of the conformers changes and with light of wavelength > 530 nm this change can be reversed. The threshold for photochemical decomposition in the matrix is about 300 nm. The decomposition products consist of an equimolar mixture of CF3SCF3 and CS2. 
  Reference    Z. Naturforsch. 38b, 161—167 (1983); eingegangen am 23. September/15. November 1982 
  Published    1983 
  Keywords    Bis(trifluormethyl)trithiocarbonate, Vibrational Spectra, Conformers, Rare Gas Matrix, Photochemical Behaviour 
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 TEI-XML for    default:Reihe_B/38/ZNB-1983-38b-0161.pdf 
 Identifier    ZNB-1983-38b-0161 
 Volume    38