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Table A.1

Maximum impact parameters, and thermal rate and equilibrium constants as a function of the temperature of the isotope-exchange reactions (2) and (4).


T∕K bmax/Å k2/cm3 molecule−1 s−1 k-2/cm3 molecule−1 s−1 K2/unitless
500.00 5.0 1.4581 (− 10)(a) 7.0643 (− 11) 2.0641
400.00 5.0 1.2857 (− 10) 6.0748 (− 11) 2.1164
298.15 5.1 1.0826 (− 10) 4.9588 (− 11) 2.1831
200.00 5.0 0.8584 (− 10) 3.7070 (− 11) 2.3156
100.00 5.0 0.5750 (− 10) 2.0655 (− 11) 2.7842
50.00 4.9 0.3850 (− 10) 0.9623 (− 11) 4.0008
25.00 4.6 0.2570 (− 10) 0.3299 (− 11) 7.7902


T∕K bmax/Å k4/cm3 molecule−1 s−1 k-4/cm3 molecule−1 s−1 K4/unitless

500.00 5.0 9.9709 (− 12) 4.8677 (− 12) 2.0484
400.00 5.0 8.9250 (− 12) 4.2646 (− 12) 2.0928
298.15 5.0 7.7400 (− 12) 3.5854 (− 12) 2.1588
200.00 5.0 6.3078 (− 12) 2.7473 (− 12) 2.2960
100.00 5.0 4.3868 (− 12) 1.6802 (− 12) 2.6109
50.00 4.9 3.0643 (− 12) 0.9066 (− 12) 3.3799
25.00 4.8 2.1578 (− 12) 0.3448 (− 12) 6.2581

Notes. (a) x (−y) represents x × 10y.

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