Organic Solutes in Aqueous Solutions

B2

B2

Acetone

Reaction: (CH3)2C=O + Mu ® (CH3)2C-OMu

Type of reaction: addition to C=O bond with Mu attached to O atom

a)      Percival, P.W., Roduner, E. and Fischer, H.
in Adv. Chem. Ser. 1979, 175, 335; ed. by H.J. Ache, ACS, Washington DC, 1979.

kM = (8.7 ± 2.7) x 107 dm3mol-1s-1    at pH = 1.0

b)      Roduner, E. Radiat. Phys. Chem., 1986, 28, 75.

kM = (3.4 ± 1.8) x 108 dm3mol-1s-1 for 7.8. M solution

c)      Venkateswaran, K., Kiefl, R.F., Barnabas, M.V., Stadlbauer, J.M., Ng, B.W.
and Walker, D.C. Chem.
Phys. Lett., 198
8,  145, 289.

kM = (8.5 ± 25 %) x 107 dm3mol-1s-1

kM = (8.6 ± 2.7) x 107 dm3mol-1s-1  average value for diluted solutioms

KIE = kM / kH = 8.6 x 108 / 2 x 106 = 43

kH = (1.97 ± 0.10) x 106 dm3mol-1s-1 ;  Ea (30.7 ± 1.3) kJ mol-1  for T = 280 K to 326 K 

ln(A/dm3mol-1s-1) = 26.9 ± 0.5

from :Mezyk, S.P. and Bartels, D.M. Can. J. Chem., 1994, 72, 2516.
latest entry  in www.rcdc.nd.edu/compilations/Hatom/H.HTM

 

Muonium reactions in the micellar systems

kM = 2.5 x 1010 dm3mol-1s-1 in the CTAB micelles

from: Barnabas, M.V. and Walker, D.C., Can. J. Chem. 1999, 69, 1252.

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