Kinetics of decomposition of a molybdenum(I) dinitrogen complex

✍ Scribed by C.M. Elson

• Book ID: 104138260
• Publisher: Elsevier Science
• Year: 1976
• Tongue: English
• Weight: 449 KB
• Volume: 18
• Category: Article
• ISSN: 0020-1693
• DOI: 10.1016/s0020-1693(00)95605-6

✦ Synopsis

Thecomplex, trans-[Mo(Nz)z(Ph,PCH,CH,PPH2),]+; decomposes with the loss of both Nz ligands in tetrahydrofuran-methanol (26% V/V)-0.1 N LiX electrolyte (X = Ct and CEO,-) via a first order dissociative mechanism. The rate constant of decomposition at 25" C in the presence of lithium chloride is 2.4 ?I 0.2 x l&' s-' and the activation parameters are: E, = 24 + 2 Kcal mot' and AS* = +I 9 3~ 5 cal deg-' mot'. The kinetic parameters for the perchlorate electrolyte are similar. The molybdenum-containing product of decomposition disproportionates to produce MO(O) and MO(H) species which further react, in some cases, with the unions of the electrolyte. All reactions are initiated and monitored by electrochemical techniques.