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Volumn 108, Issue 8, 1998, Pages 3286-3295

Generalized molecular mechanics including quantum electronic structure variation of polar solvents. II. A molecular dynamics simulation study of water

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Indexed keywords


EID: 0010353743     PISSN: 00219606     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.475725     Document Type: Article
Times cited : (46)

References (72)
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    • For an extensive reference list, see Ref. 1
    • For an extensive reference list, see Ref. 1.
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    • note
    • Since the ground-state polarizability is mainly governed by the transition dipole moments to the excited states, the dipole-unallowed states will not have a direct influence on the polarizability.
  • 4
    • 33746614482 scopus 로고
    • T. H. Dunning. Jr., J. Chem. Phys. 90, 1007 (1989); R. A. Kendall, T. H. Dunning, Jr., and R. J. Harrison, J. Chem. Phys. 96, 6769 (1992).
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    • note
    • Basis sets were obtained from the Extensible Computational Chemistry Environment Basis Set Database, Version 1.0, as developed and distributed by the Molecular Science Computing Facility, Environmental and Molecular Sciences Laboratory, which is part of the Pacific Northwest Laboratory, P.O. Box 999, Richland, WA 99352, and funded by the U.S. Department of Energy.
  • 9
    • 85034299920 scopus 로고    scopus 로고
    • note
    • 1 state. As for the transition moment calculations, the core orbital for each excited state was first replaced by that optimized for the ground-state and was then kept unchanged during the CASSCF optimizations, as required by the GAMESS code.
  • 11
    • 85034275463 scopus 로고    scopus 로고
    • note
    • The assignment of partial charges to the five sites to describe the dipole matrices in Table III is not unique. Since their tabulation requires a bulky space, the partial charges employed in the simulation studies are not given here. However, detailed information on them will he available upon request.
  • 12
    • 85034305508 scopus 로고    scopus 로고
    • note
    • The L.J spheres associated with the hydrogen atoms are completely embedded in the oxygen sphere.
  • 16
    • 0042128613 scopus 로고    scopus 로고
    • For the importance of the octopole moments, see, e.g., L. Degrève and L. Blum. Physica A 224, 550 (1996).
    • (1996) Physica A , vol.224 , pp. 550
    • Degrève, L.1    Blum, L.2
  • 24
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    • (b) ibid. 100, 1392 (1996);
    • (1996) J. Phys. Chem. , vol.100 , pp. 1392
  • 26
    • 85034292136 scopus 로고    scopus 로고
    • note
    • -1 was observed during a 20 ps test run, even though three to five iterations were sufficient to attain the convergence.
  • 28
    • 85034283693 scopus 로고    scopus 로고
    • note
    • OO peak is somewhat more distinctive for the former than the corresponding peaks for the latter.
  • 30
    • 85034303976 scopus 로고    scopus 로고
    • note
    • (a) A different water geometry, for example, TIP4P, could enhance the tetrahedral peak, compared to that with SPC geometry employed for our TAB models,
  • 31
    • 85034307680 scopus 로고    scopus 로고
    • note
    • (b) A similar trend of the tetrahedral peak with polarizability was also found for a fluctuating charge model with SPC geometry (Ref. 31).
  • 40
    • 85034294425 scopus 로고    scopus 로고
    • note
    • 1 and compared with the results of approximate Eq. (4.4) for several different MD configurations. We found that even though the former is usually larger than the latter, their numerical difference is nearly insignificant; in all cases we have considered, their relative difference does not exceed a few percent.
  • 41
    • 85034287417 scopus 로고    scopus 로고
    • note
    • s & and compared them with those in Fig. 3(a). A good overall agreement between the two confirms our conclusion.
  • 42
    • 0003608171 scopus 로고
    • edited by D. Steele and J. Yarwood Elsevier, Amsterdam, see also B. M. Ladanyi there
    • For a recent review, see, e.g., P. A. Madden, in Spectroscopy and Relaxation of Molecular Liquids, edited by D. Steele and J. Yarwood (Elsevier, Amsterdam, 1991); see also B. M. Ladanyi there.
    • (1991) Spectroscopy and Relaxation of Molecular Liquids
    • Madden, P.A.1
  • 45
    • 85034287957 scopus 로고    scopus 로고
    • note
    • s/3V. See Ref. 39.
  • 47
    • 85034282336 scopus 로고    scopus 로고
    • note
    • This state of affairs could be considerably improved, in principle, by increasing the TAB size, even though it would entail significant CPU overhead.
  • 51
    • 85034309292 scopus 로고    scopus 로고
    • note
    • (a) The electronic relaxation effects could be partially accounted for via the IMCI method (see Sec. II D of I),
  • 52
    • 85034291227 scopus 로고    scopus 로고
    • note
    • (b) The inclusion of electronic relaxation would increase the bandwidth.
  • 55
    • 0000915703 scopus 로고
    • R. E. Verrall and W. A. Senior, J. Chem. Phys. 50, 2746 (1969); L. R. Painter, R. D. Birkhoff, and E. T. Arakawa, ibid. 51, 243 (1969); S. I. Popova, L. I. Alperovich, and V. M. Zolotarev, Opt. Spectrosc. 32, 288 (1972).
    • (1969) J. Chem. Phys. , vol.50 , pp. 2746
    • Verrall, R.E.1    Senior, W.A.2
  • 56
    • 36849104179 scopus 로고
    • R. E. Verrall and W. A. Senior, J. Chem. Phys. 50, 2746 (1969); L. R. Painter, R. D. Birkhoff, and E. T. Arakawa, ibid. 51, 243 (1969); S. I. Popova, L. I. Alperovich, and V. M. Zolotarev, Opt. Spectrosc. 32, 288 (1972).
    • (1969) J. Chem. Phys. , vol.51 , pp. 243
    • Painter, L.R.1    Birkhoff, R.D.2    Arakawa, E.T.3
  • 57
    • 0000915703 scopus 로고
    • R. E. Verrall and W. A. Senior, J. Chem. Phys. 50, 2746 (1969); L. R. Painter, R. D. Birkhoff, and E. T. Arakawa, ibid. 51, 243 (1969); S. I. Popova, L. I. Alperovich, and V. M. Zolotarev, Opt. Spectrosc. 32, 288 (1972).
    • (1972) Opt. Spectrosc. , vol.32 , pp. 288
    • Popova, S.I.1    Alperovich, L.I.2    Zolotarev, V.M.3
  • 63
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    • note
    • The values in parentheses are determined with the Clausius-Mossotti equation (see Ref. 40).
  • 64
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    • For references on experimental studies, see, e.g., G. Durand and X. Chapuisat, Chem. Phys. 96, 381 (1985).
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    • Durand, G.1    Chapuisat, X.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.