Abstract
Advantage has been taken of the ability to matrix isolate D 2O in H 2O ice I c to determine the activation energy for proton transfer. The value computed from spectroscopic data is 9.3 ± 0.3 kcal which is comparable to accepted values of E a for conduction (8.5–9.0 kcal) and the excitation energy for the OH stretching mode in H 2O ice I c (≈ 9.2 kcal).
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