ISSN:
1572-9001
Schlagwort(e):
Positronium
;
ortho-positronium conversion reactions
;
3d ions and positronium reactions
;
electron delocalization
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Chemie und Pharmazie
Notizen:
Abstract The rate constants k CR of orthointo para-positronium conversion reactions promoted by 3d complexes are linearly correlated with the electron delocalization of unpaired metal electrons caused by ligands, as measured by the ratio β between the interelectronic repulsion parameters in complexes and in the free gaseous ions (1 〉 β ≥ 0). The β values may be evaluated by means of the following empirical equation: β = 1 t M h L, where t M and h L are characteristic constants of 3d ions and ligands, respectively. By measuring k CR and applying the correlations mentioned above, h L constants may be derived providing that t M is known. The method was used to measure the h L value of N− 3, not yet known, and to check that of Cl− ligand.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1023/A:1026565920998
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