Synthesis and 121Sb mössbauer study of a number of organoantimony(III) compounds containing antimony-main group V element bonds
article
The synthesis of organoantimony(III) compounds of the type R2SbMR???2 in which R,R???=Et or Ph and M=N, P or As has been investigated. Diphenylaminodiethylstibine and diphenylaminodiphenylstibine were successfully synthesized. Attempts to prepare phosphinostibines and arsinostibines of the type R2SbMR???2 (M=P, As) failed and resulted in the formation of the corresponding diphosphines, diarsines, and distibines Only in the case of the synthesis of Ph2AsSbPh2 was an analytically pure product obtained. A series of antimony(III) compounds containing antimony-main group V element bonds has been investigated by 121Sb M??ssbauer spectroscopy. The near consistency in the isomer shift (-4.0 to -4.6 mm/s relative to InSb) implies almost no change in the s-character in the total antimony-ligand bonds. Variation in the values of the quadrupole coupling constant and the asymmetry factor are discussed in terms of structure and/or changes in the p-character of the antimony-ligand bonds. ?? 1986.
TNO Identifier
230151
ISSN
00201693
Source
Inorganica Chimica Acta, 115(2), pp. 197-201.
Pages
197-201
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