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Volumn 127, Issue 8, 2005, Pages 2677-2685

Elucidation of the thermochemical properties of triphenyl- or tributyl-substituted Si-, Ge-, and Sn-centered radicals by means of electrochemical approaches and computations

Author keywords

[No Author keywords available]

Indexed keywords

ACETONITRILE; ELECTRIC CHARGE; FREE RADICALS; LIGHT MODULATION; NEGATIVE IONS; OXIDATION; QUANTUM THEORY; REDOX REACTIONS; SUBSTITUTION REACTIONS;

EID: 14744279275     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja044687p     Document Type: Article
Times cited : (20)

References (73)
  • 10
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    • Renaud, P., Sibi, M. P., Eds.; Wiley: Weinheim, Germany
    • Chatgilialoglu, C. In Radicals in Organic Synthesis; Renaud, P., Sibi, M. P., Eds.; Wiley: Weinheim, Germany, 2001; p 28.
    • (2001) Radicals in Organic Synthesis , pp. 28
    • Chatgilialoglu, C.1
  • 20
    • 14744272882 scopus 로고
    • No significant changes were observed to the measured half-wave potentials upon varying the frequency. For a discussion of the theoretical aspects of the PMV technique, see: Nagaoka, T.; Griller, D.; Wayner, D. D. M. J. Phys. Chem. Soc. 1991, 95, 6264.
    • (1991) J. Phys. Chem. Soc. , vol.95 , pp. 6264
    • Nagaoka, T.1    Griller, D.2    Wayner, D.D.M.3
  • 22
    • 14744272683 scopus 로고    scopus 로고
    • note
    • + precursor would be too low.
  • 38
    • 14744269967 scopus 로고
    • Lipkowitz, K. B., Boyd, D. B., Eds.; VCH Publishers; New York
    • Williams, D. E. In Reviews in Computational Chemistry: Lipkowitz, K. B., Boyd, D. B., Eds.; VCH Publishers; New York, 1991; Vol. 2, p 431.
    • (1991) Reviews in Computational Chemistry , vol.2 , pp. 431
    • Williams, D.E.1
  • 42
    • 14744268682 scopus 로고    scopus 로고
    • note
    • In practice, the effect of adding nucleophiles has been found to be small in the PMV approach; see ref 10.
  • 44
    • 14744267876 scopus 로고    scopus 로고
    • note
    • . couple was visible.
  • 49
    • 14744277303 scopus 로고    scopus 로고
    • note
    • o imply that the electrode kinetics should be nernstian at the low sweep rates employed in PMV16,33, the recorded waves were found to be relatively broad. However, as discussed in our previous studies on thiyl and selanyl radicals, there seems to be no simple correlation between |E3/4 - E1/4| and k°.10,12
  • 55
    • 14744271640 scopus 로고    scopus 로고
    • note
    • .. However, the CHELPG charges are all negative, while the Mulliken charges are positive. In addition, the CHELPG charges become less negative going from Si to Sn, while the Mulliken charges show a more erratic behavior. The CHELPG charges support the expected decrease in resonance-donation to the center atom when going from Si to Sn.
  • 56
    • 0004076526 scopus 로고
    • Wiley: New York
    • The bond lengths of C-C, C-Si, C-Ge, and C-Sn, as estimated from the covalent radii (Cotton, F. A.; Wilkinson, G.; Gaus, P. L. Basic Inorganic Chemistry; Wiley: New York, 1987), are 1.54, 1.94, 1.99, and 2.17 Å, respectively.
    • (1987) Basic Inorganic Chemistry
    • Cotton, F.A.1    Wilkinson, G.2    Gaus, P.L.3
  • 59
    • 14744279826 scopus 로고    scopus 로고
    • note
    • 1/2ox = 0.27 V versus SCE).42a
  • 70
    • 14744273984 scopus 로고    scopus 로고
    • note
    • The use of IP and EA in these equations is based on the approximation that they are equal to the corresponding Gibbs energy entities.


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