DOI: 10.1063/1.465678. Water clusters: Contributions of binding energy and entropy to stability

Water clusters: Contributions of binding energy and entropy to stability

10.1063/1.465678

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

The binding energies of water cluster cations are obtained by measuring decay fractions of metastable dissociation and employing Klots’ model of evaporative dissociation. Their variation with degree of solvation shows the commonly observed decrease, followed by a slow rise in magnitude, which typifies the trend found for solvated cations. There is no observed abrupt change in the vicinity of the well-known magic number (H2O)21⋅H+ corresponding to (H2O)20⋅H3O+. Other data are used to deduce free energies for water clusters up to size n=28, allowing a determination of entropy changes with size. All of the thermochemical data, including prior literature values, are assessed in terms of calculations made using the liquid drop model and standard statistical mechanical equations. It is concluded that entropic rather than energetic effects give rise to the referred to magic number.

Bibliography

Shi, Z., Ford, J. V., Wei, S., & Castleman, A. W. (1993). Water clusters: Contributions of binding energy and entropy to stability. The Journal of Chemical Physics, 99(10), 8009â8015.

Authors 4

Z. Shi (first)
J. V. Ford (additional)
S. Wei (additional)
A. W. Castleman (additional)

References 27 Referenced 150

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{'key': '2024020701184131500_r5a'}
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{'key': '2024020701184131500_r23', 'first-page': '1016', 'volume': '15', 'year': '1986', 'journal-title': 'J. Phys. Chem. Ref. Data'} / J. Phys. Chem. Ref. Data (1986)
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{'key': '2024020701184131500_r25'}
{'key': '2024020701184131500_r26'}

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 8:40 a.m.)
Deposited	1 year, 7 months ago (Feb. 6, 2024, 10:23 p.m.)
Indexed	1 month, 1 week ago (July 30, 2025, 10:16 a.m.)
Issued	31 years, 9 months ago (Nov. 15, 1993)
Published	31 years, 9 months ago (Nov. 15, 1993)
Published Print	31 years, 9 months ago (Nov. 15, 1993)

Funders 0

None

BibTeX

@article{Shi_1993, title={Water clusters: Contributions of binding energy and entropy to stability}, volume={99}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.465678}, DOI={10.1063/1.465678}, number={10}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Shi, Z. and Ford, J. V. and Wei, S. and Castleman, A. W.}, year={1993}, month=nov, pages={8009–8015} }

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