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46
-
-
0343049798
-
-
note
-
A number of authors have discussed how best to define local densities. See, for example, the discussions in refs 5, 12, and 19.
-
-
-
-
47
-
-
0343485707
-
-
note
-
This excess density can be readily appreciated from the fact that radial distribution functions of net solvent density typically peak at values of 2-3 under liquidlike conditions.
-
-
-
-
48
-
-
0343921460
-
-
note
-
c = 0.5-0.6. The higher temperature of the supercritical reference state should make attractive interactions of lesser importance at these densities than in liquid solvents, and thus render the two reference states more similar than they would be otherwise.
-
-
-
-
50
-
-
0342615641
-
-
note
-
v = ρ for ρ = 2ρc.
-
-
-
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53
-
-
0342615642
-
-
note
-
ij.
-
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-
-
54
-
-
0343485708
-
-
note
-
2dr
-
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-
-
55
-
-
0343921461
-
-
note
-
0(r) because the solvent molecules are more compact than the solutes. One could define distribution functions in terms of atom-atom distances to eliminate most of this source of broadening. We choose not to do so here because the distance s is the most direct indicator of whether a solvent molecule should be considered to be in the first solvation shell of the solute, and it is the energetics of such solvent-solute contacts that we wish to measure.
-
-
-
-
56
-
-
0343049794
-
-
note
-
The only difference is that in some simulations the intermolecular potential function is actually truncated at some cutoff radius, whereas in the 2-molecule calculations performed here, no truncation is applied.
-
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57
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-
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0343921459
-
-
note
-
40 who performed thorough Monte Carlo simulations of the effects of density augmentation on vibrational relaxation. Their data were not included because the potential functions used were not of the Lennard - Jones type and because we could not translate the contact values of g(σ) measured in that work into local densities.
-
-
-
-
68
-
-
0031549627
-
-
and references therein
-
There has been a great deal of interest in computer simulations of ions in supercritical water. See, for example, Flanagin, L. W.; Balbuena, P. B.; Johnston, K. P.; Rossky, P. J. J. Phys. Chem. B 1997, 101, 7998, and references therein.
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69
-
-
0343049795
-
-
note
-
BT}. This value (2.86) differs from the value (2.3) given by the authors of ref 28, for unknown reasons.
-
-
-
-
70
-
-
0343049796
-
-
note
-
Different authors employ slightly different definitions of the first solvation shell, but our studies show that the results are not terribly sensitive to the choice, as long as only the nearest neighborhood of the solute is sampled.
-
-
-
-
71
-
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0031559717
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Urdahl, R. S.; Myers, D. J.; Rector, K. D.; Davis, P. H.; Cherayil, B. J.; Fayer, M. D. J. Chem. Phys. 1997, 107, 3747.
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Fayer, M.D.6
-
72
-
-
0343485704
-
-
note
-
c) using radial distribution functions from Percus-Yevick integral equation calculations.
-
-
-
-
74
-
-
0343485705
-
-
note
-
max) does not vary greatly: a value of 2.5 ± 0.5(1σ) is found for a wide variety of systems.
-
-
-
-
75
-
-
0343921458
-
-
note
-
We take 14 (out of 16) simulations, the number of distinct solute/ solvent combinations, to be the size of the "independent" data set examined. Similarly, for the experimental data set we take the number of independent points to be 38 (out of the 52 data sets listed in Table 5).
-
-
-
-
76
-
-
0343049797
-
-
note
-
2, ethane, fluoroform) are compared. No significant differences were found for such single-solvent correlations compared to what is observed with the complete set of experimental data.
-
-
-
-
77
-
-
0343049786
-
-
note
-
For completeness we examined multiple linear regressions between the augmentation measures and the various quantities listed in Table 6. These multiple regressions did not provide significant improvements over the best single-variable correlations already discussed.
-
-
-
-
78
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0000021560
-
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Martinez, H. L.; Ravi, R.; Tucker, S. C. J. Chem. Phys. 1996, 104, 1067.
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Martinez, H.L.1
Ravi, R.2
Tucker, S.C.3
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