ESR, magnetic-susceptibility and optical-absorption study of Cu(II)-DL-proline complex

  • B. K. Misra
  • E. Kripal


An ESR study of the Cu(II) complex with an amino acid in three phases, powder, glass and solution, along with the opticalabsorption study and magnetic-susceptibility measurement has been carried out. Various magnetic as well as nonmagnetic parameters have been determined. These parameters have further been used to estimate the bonding parameters based on the theoretical formulation of Roberts and Koski. Hyperfine line widths of all the lines have been measured. The data thus obtained have been interpreted with the help of Kivelson’s theory of line width in solution. The magnetic susceptibility has been measured as well as theoretically calculated. The data obtained from all the three measurements have been found to justify one onother.

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Sono stati effettuati uno studio ESR del complesso di Cu(II) con un aminoacido in tre fasi, sabbiosa, vetrosa e in soluzione, uno studio sull’assorbimento ottico e una misurazione della suscettività magnetica. Si sono determinati diversi parametri magnetici e non magnetici. Questi parametri sono inoltre stati usati per valutare i parametri di legame fondati sulla formulazione teorica di Roberts e Koski. Si sono misurate le ampiezze di linea iperfini di tutte le linee. I dati cosi ottenuti sono stati interpretati con l’aiuto della teoria di Kivelson sull’ampiezza di linea in soluzione. La suscettività magnetica è stata misurata e calcolata teoricamente. Si trova che i dati ottenuti da tutte e tre le misurazioni si giustificano l’un l’altro.


  1. (1).
    E. M. Roberts andW. S. Koski:J. Am. Chem. Soc.,82, 3006 (1960).CrossRefGoogle Scholar
  2. (2).
    Y. Hsu:Mol. Phys.,21, 1087 (1971).ADSCrossRefGoogle Scholar
  3. (3).
    B. N. Misra andS. D. Sharma:J. Chem. Phys.,63, 5322 (1975).ADSCrossRefGoogle Scholar
  4. (4).
    T. Vanngard and R. Assa:Proceedings of the I International Conference on ESR, Vol.2 (Jerusalem, 1962).Google Scholar
  5. (5).
    J. H. Van Vleck:Phys. Rev.,74, 1168 (1948).ADSCrossRefGoogle Scholar
  6. (6).
    P. W. Anderson andP. R. Weiss:Rev. Mod. Phys.,25, 269 (1953).ADSCrossRefGoogle Scholar
  7. (7).
    R. Kubo andK. Tomita:J. Phys. Soc. Jpn.,9, 888 (1954).ADSCrossRefGoogle Scholar
  8. (8).
    R. Wilson andD. Kivelson:J. Chem. Phys.,44, 154, 4440, 4445 (1966).ADSCrossRefGoogle Scholar
  9. (9).
    T. M. Dunn:Modern Co-ordination Chemistry, edited by J. Lewis and R. G. Wilkins (New York, N. Y., 1960).Google Scholar
  10. (10).
    A. McL. Mathieson andH. K. Welsh:Acta Crystallogr.,5, 599 (1952).CrossRefGoogle Scholar
  11. (11).
    C. K. Jorgensen:Absorption Spectra and Chemical Bonding in Complexes (London, 1962).Google Scholar
  12. (12).
    F. A. Cotton and R. G. Wilkinson:Advanced Inorganic Chemistry (New York, N. Y., 1969).Google Scholar
  13. (13).
    O. G. Holmes andD. S. McClure:J. Chem. Phys.,26, 1686 (1957).ADSCrossRefGoogle Scholar
  14. (14).
    C. K. Jorgensen:Acta Chem. Scand.,9, 1362 (1955).CrossRefGoogle Scholar
  15. (15).
    J. Bjerrum, C. J. Ballhausen andC. K. Jorgensen:Acta Chem. Scand.,8, 1275 (1954).CrossRefGoogle Scholar
  16. (16).
    R. L. Belford, M. Calvin andG. Belford:J. Ghent. Phys.,26, 1165 (1957).ADSGoogle Scholar
  17. (17).
    J. Owen:Proc. R. Soc. London Set. A,227, 183 (1955).ADSCrossRefGoogle Scholar
  18. (18).
    S. D. Sharma: D. Phil. Thesis, Allahabad University, India (1974).Google Scholar
  19. (19).
    F. K. Kneubuhl:J. Chem. Phys.,33, 1074 (1960).ADSCrossRefGoogle Scholar
  20. (20).
    B. N. Misra andR. Kripal:Acta Phys. Pol. A,50, 497 (1976).Google Scholar
  21. (21).
    D. J. E. Ingram:Speetroscopy at Radio and Microwave Frequencies (London, 1967), p. 89.Google Scholar
  22. (22).
    D. Kivelson andR. Neiman:J. Chem. Phys.,35, 149 (1961).ADSCrossRefGoogle Scholar
  23. (23).
    D. Kivelson:J. Chem. Phys.,27, 1087 (1957);33, 1094 (1960).ADSCrossRefGoogle Scholar
  24. (24).
    P. W. Atkins andD. Kivelson:J. Chem. Phys.,44, 169 (1966).ADSCrossRefGoogle Scholar
  25. (25).
    P. S. Hubbard:Phys. Rev.,131, 1155 (1962).ADSCrossRefGoogle Scholar
  26. (26).
    B. N. Figgis and J. Lewis:Modern Co-ordination Chemistry, edited by J. Lewis and R. G. Wilkins (New York, N. Y., 1960).Google Scholar
  27. (27).
    B. Bleaney, R. P. Penrose andB. L. Plumpton:Proc. R. Soc. London Ser. A,198, 406 (1949); B. Bleanet and K. D. Bowers:Proc. R. Soc. London Ser. A,214, 454 (1952).ADSCrossRefGoogle Scholar
  28. (28).
    J. G. Forrest, C. K. Prout andF. J. C. Eossotti:Chem. Commun.,18, 658 (1965).Google Scholar

Copyright information

© Società Italiana di Fisica 1980

Authors and Affiliations

  • B. K. Misra
    • 1
  • E. Kripal
    • 1
  1. 1.Department of PhysicsUniversity of AllahabadAllahabadIndia

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