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Volumn , Issue 4, 2001, Pages 284-285

Determination of Rh-C bond dissociation energy in methyl(porphyrinato)rhodium(III) complexes: A new application of photoacoustic calorimetry

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EID: 0035588152     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2001.284     Document Type: Article
Times cited : (11)

References (31)
  • 20
    • 0041119609 scopus 로고    scopus 로고
    • note
    • A laser pulse from Q-switched Nd:YAG laser (Continuum NP70) operated at 355 nm, 10 Hz, and 8-ns duration was passed through the sample solution held in a 1-cm thermostated flow cell. The acoustic wave induced in solution was detected by a 1.5-MHz PZT piezoelectric transducer. The signal was then pre-amplified by a HP-8847F and recorded by a 300-MHz HP-54510B digital oscilloscope as the average of 100 laser shots. The data were stored in a PC for analysis. Ferrocene, a calorimetric reference, was sublimed once before use. For each photoacoustic experiment, it was dissolved in the same medium and matched in OD at 355 nm to those of 1 and 2.
  • 24
    • 0039340505 scopus 로고    scopus 로고
    • note
    • The signal frequency for sample is identical to that of the calorimetric reference, ferrocene, which relaxes back to ground state within lns. Thus, no heat releases on the time-scale of about 10 ns to 10 μs.
  • 25
    • 0039932686 scopus 로고    scopus 로고
    • note
    • 2 is the extinction coefficient of the actinometer. Potassium ferrioxalate actinometer was used as described in ref 12b. In the quantum yield calculations, the corrections are made for absorption of TEMPO and Rh(II) species,
  • 27
    • 0039932687 scopus 로고    scopus 로고
    • note
    • Since 1 and 2 are rigid complexes, the reaction volume changes during their photolysis are so small that they could be neglected, especially in organic solvent.
  • 29
    • 0039932682 scopus 로고    scopus 로고
    • note
    • -1. See ref 3 and references herein.
  • 31


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.