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Table 1

Fitting functions and best-fit values of the parameters a, b, c, and ML, ML being the number of the monolayer.

Species a b c
Xdes + OYtrapped
P(ML) = (aML)exp( − bML)
H2O 2.02 0.858 ···
D2O 2.06 0.906 ···
HOD 2.04 0.867 ···
DOH 2.17 0.942 ···
Xtrapped + OYdes
P(ML) = (aML)exp( − b(ML − c)2)
H2O 4.28 0.0485 –10.9
D2O 0.0141 0.377 0.264
HOD 0.00359 0.635 0.990
DOH 0.0114 0.450 0.751
Xdes + OYdes
P(ML) = (aML)exp( − b(ML − c)2)
H2O 0.0710 0.210 –1.77
D2O 0.0638 0.554 0.269
HOD 0.0463 0.383 –0.383
DOH 0.0659 0.484 0.0538
Xtrapped + OYtrapped
P(ML) = a(1 − exp( − bMLc))
H2O 0.516 0.149 1.48
D2O 0.458 0.163 1.57
HOD 0.595 0.125 1.60
DOH 0.574 0.111 1.89
XYOdirect
P(ML) = (aML)exp( − b(ML − c)2)
H2O 0.390 0.0819 –6.04
D2O 0.00523 0.470 0.967
HOD 0.00428 0.604 1.12
DOH 0.00494 0.570 1.11
H2Okicked
P(ML) = (aML)exp( − b(ML − c)2)
H2O 0.00320 0.210 0.882
D2O 0.00865 0.452 1.83
HOD 0.00465 0.193 0.419
DOH 0.00949 0.180 0.519

Notes. The species XOY denotes photoexcitation of XOY leading to dissociation into X + OY. The units of the parameters, a, b, and c, depend on the fitting function which itself describes a probability and thus has no physical units. For outcome (1), Xdes + OYtrapped, a and b have units of ML-1, where ML is monolayer number. For outcome (4), Xtrapped + OYtrapped, a has no units and b has units of ML−c. For all other outcomes, a has units of ML-1, b has units of ML-2, and c has units of ML.

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