Organic Solutes in Aqueous Solutions

B14

B14

Benzene

Reaction: C6H6 + Mu ® C6H6Mu

Type of reaction: addition to the ring – formation of Mu substituted cyclohexadienyl radical

a)      Roduner, E., Louwrier, P.W.F., Brinkman, G.A., Garnet, D.M., Reid, I.D., Arseneau, D.J., Senba, M. and Fleming, D.G. Ber. Bunsenges. Phys. Chem., 1990, 94, 1224.

kM = (1.9 ±0.4) x 109 dm3mol-1s-1   

log(A/dm3mol-1s-1) = 9.99   Ea = 6.7 kJ mol-1

KIE = kM / kH = 1.9 x 109 / 1.1 x 109 = 1.7

b)      Stadlbauer, J.M., Ng, B.W., Ganti, R. and Walker, D.C.
J. Am. Chem. Soc., 1984, 106, 3151.

kM = 3.3 x 109 dm3mol-1s-1

KIE = kM / kH = 3.3 x 109 / 1.1 x 109 = 3.0

kH = (1.1 ± 0.1) x 109 dm3mol-1s-1

log(A/dm3mol-1s-1) = 12.34 ± 0.09   Ea = (19.1 ± 0.6) kJ mol-1 for: T = 279 K to 367 K

from: Roduner, E. and Bartels, D.M. Ber. Bunsenges. Phys. Chem., 1992, 96, 1037.

 

Muonium reactions at high temperatures and pressures

Ghandi,K., Addison-Jones,B., Brodovitch, McKenzie,I., Kecman,S. and Percival,P.W.

Physica B ,2003, 326,55

 

T/°C

P/bar

kMu/1010 M-1s-1

171

328

0.33(12)

205

225

0.36(12)

231

225

0.43(14)

257

360

0.54(14)

310

400

0.54(15)

330

350

0.66(16)

121

250

0.54(8)

152

250

0.67(8)

205

250

0.68(9)

231

398

0.73(9)

310

315

0.56(9)

284

252

0.56(9)

284

380

0.56(9)

284

203

0.60(9)

257

250

0.68(9)

362

255

0.22(9)

179

250

0.52(9)

179

250

0.45(9)

90

14

0.32(7)

383

315

0.23(7)

394

320

0.11(7)

373

320

0.33(6)

373

250

0.13(7)

352

250

0.37(6)

352

250

0.35(6)

341

250

0.43(6)

331

250

0.46(6)

373

396

0.39(6)

373

380

0.19(6)

310

200

0.48(7)

310

246

0.53(7)

257

290

0.72(8)

205

250

0.62(8)

152

246

0.62(8)

112

255

0.46(7)

121

5

0.27(5)

147

9

0.70(21)

171

18

0.79(11)

257

85

0.61(7)

6.5

1

0.13(2)

25

1

0.16(3)

25

1

0.19(3)


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