Cr(4,7-Ph2phen)33+

excited state quenched by 1,4-Bis(N,N-dimethylamino)benzene
Ohno, T.; Kato, S.
Bull. Chem. Soc. Jpn. 57: 1528-33 (1984)

Cr(4,7-Ph2phen)33+ quenched by 1,4-Bis(N,N-dimethylamino)benzene
Solvent : Acetonitrile, ~15ºC

kq = 2.0 x 109(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 200 micro sec. (laser flash, absorption, multiple shot with signal averaging)
Electron transfer fraction of quenching = 0.73

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