Reactions of Hydrogen Peroxide with Metal Complexes. 5.1 Mechanism of the Peroxo Complex Formation of (Nitrilotriacetato)dioxovanadate(V) As Studied by a High-Pressure Stopped-Flow Technique

Shigenobu Funahashi, Koji Ishihara, Motoharu Tanaka

研究成果: Article

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A high-pressure stopped-flow apparatus has been exploited which enables us to follow reactions with a half-life longer than 0.1 s under pressure up to 1600 kg cm-2. The rate for the formation of the peroxo complex of (nitrilotriacetato)dioxovanadate(V) (VO2(nta)2-) is expressed as d[VO(O2)(nta)2-]/dt = (k1 + k2[H+])[VO2(nta)2-] [H2O2], where k1 = 7.05 m-1 s-1, k2 = 1.46 X 104 m-2 s-1 at 25 °C and I = 1.05 m at atmospheric pressure and the volumes of activation for the k1 and k2 paths are -3.4 ± 0.5 and 1.5 ± 0.5 cm3 mol-1, respectively. An associative mechanism is most probably operative.

元の言語English
ページ(範囲)51-55
ページ数5
ジャーナルInorganic Chemistry
20
発行部数1
DOI
出版物ステータスPublished - 1981 1
外部発表Yes

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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