'Quenching of Excited States of Metal Complexes

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet]

excited state quenched by Zn(OEP)

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : 1,2-C₂H₄Cl₂, 25ºC

k_q = 2.0 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : 1,2-Dichloro\hbenzene, 25ºC

k_q = 2.7 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : 1-Chloro\hnaphthalene, 25ºC

k_q = 2.0 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : Acetonitrile, 25ºC

k_q = 2.0 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Lifetime in the absence of quencher, air free = ~16000 micro sec.
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : Anisole, 25ºC

k_q = 2.3 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : Benzene, 25ºC

k_q = ~2 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : Butyronitrile, 25ºC

k_q = 2.2 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: [Q] = [S] <= 2.5 x 10^–5 mol/L

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : DMSO, 25ºC

k_q = 4.0 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : Di-i-propyl ether, 25ºC

k_q = 2.3 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : Di-n-pentyl ether, 25ºC

k_q = 1.8 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : Di-n-butyl ether, 25ºC

k_q = 1.8 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : Diethyl ether, 25ºC

k_q = 2.0 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : Ethyl acetate, 25ºC

k_q = 1.6 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : MP, 25ºC

k_q = 1.4 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : Propionitrile, 25ºC

k_q = 2.3 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : THF, 25ºC

k_q = 1.6 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

Feitelson, J.; Mauzerall, D.C.
J. Phys. Chem. 86: 1623-8 (1982)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP) at conc. <= 9 x 10^–6 mol L^–1
Solvent : Toluene, 24ºC

k_q = 1.1 x 10⁷(L mol^–1 s^–1)

Experimental methods: laser flash, absorption,
Comments: k_q = ~2 x 10⁸ L mol^– s^– at 25 ºC with laser flash/electric conductivity/multiple shot with signal averaging (see Mech. [8] in 80A023)

Ballard, S.G.; Mauzerall, D.C.
J. Chem. Phys. 72: 933-47 (1980)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [triplet] quenched by Zn(OEP)
Solvent : N-Methyl valeronitrile, 25ºC

k_q = 2.2 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer or reductive electron transfer
Experimental methods: laser flash, electric conductivity, multiple shot with signal averaging
Comments: see Mech. [8]

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