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Updated: Jun 30, 2026

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Electroactive Polymer Nanoparticles Exhibiting Photothermal Properties
Published on: January 8, 2016
OHからのヒドロキシペロキシニトリートとニトラートは,イソプレンの反応を誘発したOHである
Dan Zhang1, Renyi Zhang, Jiho Park
1Contribution from the Department of Atmospheric Sciences, Texas A&M University, College Station 77843, USA.
Journal of the American Chemical Society
|August 9, 2002
まとめ
NOとヒドロキシペロキシラジカルの反応は,ヒドロキシペロキシニートリート (ROONO) とニートリート (RONO2) を形成する. ROONOからRONO2へのイソメリゼーションはエクソテルミックであり,トロポスフィアの化学に影響を与えます.
科学分野:
- 大気化学 大気化学
- 化学動力学 化学動力学
- コンピューティング・ケミストリー
背景:
- 酸化窒素 (NO) とヒドロキシペロキシラジカル (RO(2) の反応は,熱層化学における重要なプロセスである.
- この反応はオゾン形成と窒素酸化物 (NOx) の除去に影響を与えます.
研究 の 目的:
- OH-イソプレン反応による水酸化過酸化窒素酸塩 (ROONO) と窒素酸塩 (RONO2) の形成経路を研究する.
- ROONOの形成とRONO2.2へのイソメリゼーションのエネルギーと運動を決定する.
主な方法:
- 密度関数理論 (DFT) とアビニシオ理論が採用されました.
- 変数RRKM/マスター方程式 (vRRKM/ME) 形式主義がレート常数計算に使用されました.
- 反応チャネルを研究するために,カノニカル変数移行状態理論が適用されました.
主要な成果:
- ROONO形成のための結合エネルギーは20-22 kcal mol ((-1) 範囲です.
- ROONOからアルコキシラジカル (RO) とNO2への結合解離エネルギーの範囲は6~9kcal mol (−1) からである.
- ROONOからRONO2へのイソメリゼーションはエクソサーミック (22-28 kcal mol ((-1)) で,RO ((2) -NO反応のための障壁のない入り口と出口チャネルがあります.
結論:
- ROONO形成のための計算された速度定数は,3x10(-12) と2x10(-11) cm3 molecule(-1) s(-1) の間のものです.
- vRRKM/ME分析は,興奮したROONO.の軽微な安定化を示しています.
- この研究は,大気モデルにとって極めて重要な RONO2 への ROONO イソメリゼーションの詳細な評価を提供します.
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