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Volumn 115, Issue 10, 2011, Pages 2338-2348

Liquid-liquid extraction of pertechnetic acid (TcVII) by tri-n-butyl phosphate: Where is the proton? A molecular dynamics investigation

Author keywords

[No Author keywords available]

Indexed keywords

HEXANE; HYDRATES; LIQUIDS; MOLECULAR DYNAMICS; PARAFFINS; PHASE INTERFACES; PROTONS; SOLVENT EXTRACTION;

EID: 79952598581     PISSN: 15206106     EISSN: 15205207     Source Type: Journal    
DOI: 10.1021/jp111758s     Document Type: Article
Times cited : (14)

References (90)
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    • No systematic conformational search was performed for TMP (taken in its gauche, gauche, trans form) and its adducts. The calculated energies are generally high enough, however, to estimate relative H-bonding interactions and acidities.
    • No systematic conformational search was performed for TMP (taken in its gauche, gauche, trans form) and its adducts. The calculated energies are generally high enough, however, to estimate relative H-bonding interactions and acidities.
  • 57
    • 79952595173 scopus 로고    scopus 로고
    • Experimentally, the proton affinity of alkylphosphates increases with the alkyl chain length, e.g., from trimethylphosphate TMP (211.5 kcal/mol) to triethylphosphate TEP (217.7 kcal/mol). See.
    • Experimentally, the proton affinity of alkylphosphates increases with the alkyl chain length, e.g., from trimethylphosphate TMP (211.5 kcal/mol) to triethylphosphate TEP (217.7 kcal/mol). See Lias, S. G.; Bartmess, J. E.; Liebman, J. F.;; Holmes, J. L.;; Levin, R. D.;; Mallard, W. G. J. Phys. Chem. Ref. Data 1998, 17.
    • (1998) J. Phys. Chem. Ref. Data , vol.17
    • Lias, S.G.1    Bartmess, J.E.2    Liebman, J.F.3    Holmes, J.L.4    Levin, R.D.5    Mallard, W.G.6
  • 58
    • 0004219659 scopus 로고    scopus 로고
    • John Wiley & Sons: Chichester, UK; Vol.
    • Marcus, Y. The Properties of Solvents; John Wiley & Sons: Chichester, UK, 1998; Vol. 4.
    • (1998) The Properties of Solvents , vol.4
    • Marcus, Y.1
  • 60
    • 84906372468 scopus 로고    scopus 로고
    • note
    • + to a single TBP molecule (-47.5 kcal/mol at the QM2 level).
  • 61
    • 84906401122 scopus 로고    scopus 로고
    • 3H in the gas phase (by 19.9 and 16.9 kcal/mol, respectively) and in PCM-water (by 6.7 and 4.9 kcal/mol, respectively; see Table 2).
    • 3H in the gas phase (by 19.9 and 16.9 kcal/mol, respectively) and in PCM-water (by 6.7 and 4.9 kcal/mol, respectively; see Table 2).
  • 62
    • 84906357877 scopus 로고    scopus 로고
    • - series: -56.1, -57.1, and -59.6 kcal/mol at the QM1 level; -55.5, -56.3, and -57.9 kcal/mol, respectively at the QM2 level; -56.1, -57.0, and -58.5 kcal/mol, respectively, at the QM3 level.
    • - series: -56.1, -57.1, and -59.6 kcal/mol at the QM1 level; -55.5, -56.3, and -57.9 kcal/mol, respectively at the QM2 level; -56.1, -57.0, and -58.5 kcal/mol, respectively, at the QM3 level.
  • 63
    • 84906413693 scopus 로고    scopus 로고
    • note
    • + (see Table 4).
  • 64
    • 84906399268 scopus 로고    scopus 로고
    • note
    • - interactions energies decrease in magnitude by ca. 50 kcal/mol from TBP to aqueous solutions (see Table S3).
  • 65
    • 0003930168 scopus 로고    scopus 로고
    • - does: interaction energies are ca. -154 and -172 kcal/mol, respectively (see Table S3).
    • - does: interaction energies are ca. -154 and -172 kcal/mol, respectively (see Table S3).
    • Ion Solvation
    • Marcus, Y.1
  • 66
    • 84906399265 scopus 로고    scopus 로고
    • - (see Table 4 and Table S5 in the Supporting Information)).
    • - (see Table 4 and Table S5 in the Supporting Information)).
  • 67
    • 84906399266 scopus 로고    scopus 로고
    • VII:TBP ratio.
    • VII:TBP ratio.
  • 73
    • 84906384744 scopus 로고    scopus 로고
    • See http://research.chem.psu.edu/brpgroup/Pka-compilation.pdf.
  • 74
    • 84906384745 scopus 로고    scopus 로고
    • a's of different strong acids obtained by different methods
    • a's of different strong acids obtained by different methods
  • 76
  • 85
    • 0035630185 scopus 로고    scopus 로고
    • references cited therein
    • Junk, P. C. Rev. Inorg. Chem. 2001, 21, 93-124 and references cited therein
    • (2001) Rev. Inorg. Chem. , vol.21 , pp. 93-124
    • Junk, P.C.1
  • 90
    • 84906384746 scopus 로고    scopus 로고
    • + during the whole dynamics (Nicolas Sieffert, private communication).
    • + during the whole dynamics (Nicolas Sieffert, private communication).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.