Os(bpy)2[bis(diphenylphosphino)methane]2+

excited state quenched by 4-Bromo-N,N-dimethylaniline
Kober, E.M.; Marshall, J.L.; Dressick, W.J.; Sullivan, B.P.; Caspar, J.V.; Meyer, T.J.
Inorg. Chem. 24: 2755-63 (1985)

Os(bpy)2[bis(diphenylphosphino)methane]2+ quenched by 4-Bromo-N,N-dimethylaniline
Solvent : Acetonitrile, 0.1 mol/L LiClO4, ~23ºC

kq = 6.3 x 107(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.304 micro sec. (laser flash, luminescence, multiple shot with signal averaging)

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