Cr(NH3)5(CN)2+

excited state quenched by Cr(CN)63–
Zinato, E.; Adamson, A.W.; Reed, J.L.; Puaux, J.P.; Riccieri, P.
Inorg. Chem. 23: 1138-44 (1984)

Cr(NH3)5(CN)2+ quenched by Cr(CN)63– at conc. (1-20) x 10–5 mol L–1
Solvent : DMF, 20ºC

kq = 1.7 x 109(L mol–1 s–1)

Mechanism: energy transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 19 micro sec. (laser flash, luminescence, single shot signal)

Zinato, E.; Adamson, A.W.; Reed, J.L.; Puaux, J.P.; Riccieri, P.
Inorg. Chem. 23: 1138-44 (1984)

Cr(NH3)5(CN)2+ quenched by Cr(CN)63– at conc. <= 2.5 x 10–4 mol L–1
Solvent : H2O, 5 x 10–4 mol/L HClO4, 20ºC

kq = 6.2 x 108(L mol–1 s–1)

Mechanism: energy transfer
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air free = 22 micro sec.

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