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Volumn 109, Issue 39, 2005, Pages 18591-18599

Ab initio molecular dynamics of liquid 1,3-dimethylimidazolium chloride

Author keywords

[No Author keywords available]

Indexed keywords

CHARGE TRANSFER; HYDROGEN BONDS; MATHEMATICAL MODELS; MOLECULAR DYNAMICS; NEUTRON DIFFRACTION; POSITIVE IONS; SALTS;

EID: 26944493390     PISSN: 15206106     EISSN: None     Source Type: Journal    
DOI: 10.1021/jp0518299     Document Type: Review
Times cited : (198)

References (77)
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    • Copyright by IBM Corp. and Max-Planck-Institut für Festkörperforschung: Stuttgart, Germany
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    • CPMD Version 3.7.0.
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    • note
    • Atomic orbitals were taken from the pseudo wave functions involved in construction of the pseudopotentials, except for hydrogen, where a standard Slater function was used.
  • 58
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    • By 1.5 kcal/mol with dielectric constants of 10 and 78, as obtained from single point calculations using the Polarizable Continuum Model (Barone, V.; Cossi, M.; Tomasi, J. J. Comput. Chem. 1998, 19, 404.
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    • note
    • 1 = 2.20 Å) differ conspicuously from our PBE/6-31+G* * data in Table 1, which could be indicative of an overestimation of the cation-anion interaction with the former approach. Also, Del Pópolo et al. find that perpendicular π-coordinated 2 is preferred over in-plane coordinated 1 (by 3.2 kcal/mol), whereas we find the opposite result at all DFT levels including PBE (Table 1). In any event, the two forms are close in energy, and mimicking the solvent by an empirical solvation model is sufficient to enhance the preference for in-plane coordination, as found in the solid-state structure and in the liquid state.
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    • note
    • The significance of this bonding analysis should be unaffected by possible incomplete equilibration of the cation-cation distribution, see above.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.