Hyperfine Interactions

, Volume 90, Issue 1, pp 505–508 | Cite as

Antimony-121 Mössbauer spectra of organoantimony derivatives containing Sb-Sb bonds

  • G. Alonzo
  • N. Bertazzi
  • H. J. Breunig
  • K. H. Ebert
Chemical Structure and Bonding


121-Sb Mössbauer data are reported for a number of organoantimony rings and catena-stibanes. These compounds are representative of RSb(Sb)2 and R2SbSb type of coordination, and spectral parameters are compared and discussed in relation to RSbCl2 and R2SbCl systems. Although the trend in isomer shift is similar, the present compounds show slightly less negative isomer shift values together with a remarkable reduction of the quadrupolar coupling constant. A rationalization of the quadrupolar interaction in the above series of compounds appears feasible by using point charge model calculations whose results, in terms of bonding, indicate a large contribution of p-electron density along Sb-Sb bonds.


Thin Film Model Calculation Large Contribution Spectral Parameter Isomer Shift 
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Copyright information

© J.C. Baltzer AG, Science Publishers 1994

Authors and Affiliations

  • G. Alonzo
    • 1
  • N. Bertazzi
    • 1
  • H. J. Breunig
    • 2
  • K. H. Ebert
    • 2
  1. 1.Partimento di Chimica InorganicaUniversity of PalermoPalermoItaly
  2. 2.Institut für Anorganische und Physikalische ChemieBremenGermany

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