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Positronium Spin-Conversion Reactions Promoted by 3d Complexes in Highand Low-Spin States

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Abstract

Continuing in our work on the correlations between the rate constants, k CR, of the ortho into para-positronium conversion reactions, CR, promoted by complexes of various 3d ions and the metal electron delocalization β caused by the ligands, the relationship between the parameters of the correlation lines pertinent to highand low-spin complexes of CrII, MnII, and CoII ions was ascertained. Moreover, it was experimentally verified, for the first time, that the statistical probability of the CR promoted by paramagnetic compounds with S = 1/2 is three times larger than that of the CR caused by compounds with S > 1/2.

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Authors and Affiliations

  1. Dipartimento Ingegneria Nucleare, Politecnico di Milano, Via Ponzio 34/3, 20133, Milano, Italy

    Annaluisa Fantola-Lazzarini

  2. Dipartimento Ingegneria Nucleare, Politecnico di Milano, Via Ponzio 34/3, 20133, Milano, Italy

    Ennio Lazzarini

Authors
  1. Annaluisa Fantola-Lazzarini
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  2. Ennio Lazzarini
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Fantola-Lazzarini, A., Lazzarini, E. Positronium Spin-Conversion Reactions Promoted by 3d Complexes in Highand Low-Spin States. Structural Chemistry 11, 341–346 (2000). https://doi.org/10.1023/A:1026513904160

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  • DOI: https://doi.org/10.1023/A:1026513904160

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