Cr(5-Brphen)33+

excited state quenched by Cr(5-Brphen)33+
Serpone, N.; Jamieson, M.A.; Sriram, R.; Hoffman, M.Z.
Inorg. Chem. 20: 3983-8 (1981)

Cr(5-Brphen)33+ quenched by Cr(5-Brphen)33+
Solvent : H2O/Acetonitrile (24/1), 1 mol/L HCl, 22ºC

kq = 5.4 x 107(L mol–1 s–1)

Mechanism: collisional deactivation
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air free = 180 micro sec.
Comments: tau0 extrap'd to [S] = 0

Serpone, N.; Jamieson, M.A.; Sriram, R.; Hoffman, M.Z.
Inorg. Chem. 20: 3983-8 (1981)

Cr(5-Brphen)33+ quenched by Cr(5-Brphen)33+
Solvent : H2O/Acetonitrile (24/1), 1 mol/L NaCl, BRbuf, 22ºC, pH 9.5

kq = 8.1 x 107(L mol–1 s–1)

Mechanism: collisional deactivation
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air free = 170 micro sec.
Comments: tau0 extrap'd to [S] = 0

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