Thermal Isomerisation of Cisazobenzene in the Solid State

  • H. K. Cammenga
  • E. Behrens
  • E. Wolf


Reversible photoisomerisation in molecular crystals may eventually become a new means of information storage. A certain loss of information can occur by thermal re-isomerisation. Furthermore thermal isomerisation is a reaction of type A → B other than a phase-transformation, which type has not often been studied so far. For these reasons we investigated the thermal cis → trans isomerisation of azobenzene.


Enthalpy Argon Hexane Phenyl Calorimetry 


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  1. 1.
    G.S. HARTLEY, J.C.S.(1938)633;Google Scholar
  2. 2.
    J.J. De LANGE, J. M. ROBERTSON and I. WOODWARD, Proc.Roy.Soc. A171 (1939) 398;CrossRefGoogle Scholar
  3. 3.
    J.C. BROWN, Acta Cryst. 21(1966)146;Google Scholar
  4. 4.
    G.C. HAMP- SON and J.M. ROBERTSON, J.C.S.(1941)409;Google Scholar
  5. 5.
    A. MOSTAD and C. ROMMING, Act.Chem.Scand.25(1971)3561;CrossRefGoogle Scholar
  6. 6.
    G.S. HARTLEY and R.W. Le FEVRE, J.C.S.(1938)867;Google Scholar
  7. 7.
    E.G. PROUT and F.C. TOMPKINS, Trans. Faraday Soc.40(1944)488;CrossRefGoogle Scholar
  8. 8.
    R.W.J. LE FEVRE and J. NORTHCOTT, J.C.S.(1953)867;Google Scholar
  9. 9.
    J.HALPERN, G.W. BRADY and C.A. JINKLER, Can.J.Res.28 (1950)140;Google Scholar
  10. 10.
    M.TSUDA and K,KURATANI,Bull.C.S.J.37(1964) 1284;Google Scholar
  11. 11.
    R.J.CORRUCINI and E.C.GILBERT, JACS61(1939)2925Google Scholar
  12. 12.
    F.J. ADRIAN, J.Chem.Phys.28(1958)608;CrossRefGoogle Scholar
  13. 13.
    S.LJUNGGREN and G. WETTERMARK, Acta Chem.Scan. 25 (1971) 1599.CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1977

Authors and Affiliations

  • H. K. Cammenga
    • 1
  • E. Behrens
    • 1
  • E. Wolf
    • 1
  1. 1.Institut für Physikalische ChemieTechn. Universität BraunschweigBraunschweigGermany

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