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Volumn 127, Issue 24, 2005, Pages 8667-8679

Mechanistic insights in charge-transfer-induced luminescence of 1,2-dioxetanones with a substituent of low oxidation potential

Author keywords

[No Author keywords available]

Indexed keywords

ACTIVATION ENERGY; DECOMPOSITION; LIGHT EMISSION; LUMINESCENCE; NEGATIVE IONS; OXIDATION; POLARIZATION; REDUCTION;

EID: 20944447380     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja043295f     Document Type: Article
Times cited : (104)

References (116)
  • 15
    • 0013504214 scopus 로고
    • Frimer, A. A., Ed.; CRC Press: Boca Raton, FL
    • (a) Yamaguchi, K. In Singlet Oxygen; Frimer, A. A., Ed.; CRC Press: Boca Raton, FL, 1985; Vol. III, p 119.
    • (1985) Singlet Oxygen , vol.3 , pp. 119
    • Yamaguchi, K.1
  • 94
    • 20944439093 scopus 로고    scopus 로고
    • note
    • The variations in the vertical electron affinity of the dioxetanone and dioxetane functionalities as a function of the O-O bond distance are summarized in Figure S6 (Supporting Information).
  • 102
    • 20944445555 scopus 로고    scopus 로고
    • note
    • -1. In contrast, the addition of a phenoxide-anion group gives rise to the CT process, which corresponds to the nonstepwise mechanism; that is, no intermediate is formed.
  • 105
    • 20944451725 scopus 로고    scopus 로고
    • note
    • The results of the IRC analysis for para-1c are given in Figure S8 (Supporting Information).
  • 109
    • 20944450681 scopus 로고    scopus 로고
    • note
    • 2 moiety.
  • 110
    • 20944446716 scopus 로고    scopus 로고
    • note
    • 1 states of para-1c and meta-1c calculated by the B3LYP method are shown in Figure S9 (Supporting Information).
  • 111
    • 20944440860 scopus 로고    scopus 로고
    • note
    • 33d however, the HF method tends to overestimate the diradical character (yHOMO > 90%) for the back CT region, characterized by the B 3LYP method, and provides biased results in favor of diradical pathway (see Figure S2). Therefore, the calculations for the back CT region as well as the CT TSs were conducted using the B3LYP method.
  • 112
    • 20944432497 scopus 로고    scopus 로고
    • note
    • -1.
  • 113
    • 20944441099 scopus 로고    scopus 로고
    • note
    • We also tried to locate the equilibrium structures (min.) and the CT TSs of para- and meta-1c in benzene and DMSO at the PCM (for min.) or Onsager model (for CT TSs) B3LYP/6-31+G(d) levels. It was found that, despite the presence of the solvent reaction field, there are insignificant changes in the equilibrium geometries; however, the relatively large structural change of the CT TS on going from the gas phase to a solution is made explicit in the O-O distance and is largely dependent on the degree of solvent polarity. The detailed results are summarized in Table S3 (Supporting Information).
  • 114
    • 20944435117 scopus 로고    scopus 로고
    • note
    • 15a
  • 116
    • 20944448146 scopus 로고    scopus 로고
    • note
    • -1] of the methyl meta-oxybenzoate anion at the PCM HF/6-3I+G(d)//B3LYP/6-31+G(d) level.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.