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Electron-induced ionization and cationic fragmentations of the isolated molecule of 2,4-imidazolidinedione (hydantoin): a study of the relaxing path thresholds
Physical Chemistry Chemical Physics ( IF 2.9 ) Pub Date : 2023-05-02 , DOI: 10.1039/d2cp04143j J-P Champeaux 1 , P Moretto-Capelle 1 , J Renoud 1 , L Polizzi 1 , S Faure 1 , D Castex 1 , M Gianesin 1 , E Panader 1 , P Paquier 1 , W Volondat 1 , T Salbaing 2 , J Riffaud 3 , R Point 1 , P Cafarelli 1 , M Sence 1
Physical Chemistry Chemical Physics ( IF 2.9 ) Pub Date : 2023-05-02 , DOI: 10.1039/d2cp04143j J-P Champeaux 1 , P Moretto-Capelle 1 , J Renoud 1 , L Polizzi 1 , S Faure 1 , D Castex 1 , M Gianesin 1 , E Panader 1 , P Paquier 1 , W Volondat 1 , T Salbaing 2 , J Riffaud 3 , R Point 1 , P Cafarelli 1 , M Sence 1
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In this work, our new experimental setup has been used to study the ionization and fragmentation of a prebiotic molecule, hydantoin, by electron impact. Scanning of the incident electron energy allows the determination of the appearance thresholds of the cations. The vertical ionization potential was found to be in good agreement with previous data. Dissociation thresholds for the main fragmentation patterns were also measured. In parallel, thanks to quantum chemical calculations, reaction schemes compatible with the experimental results are given.
中文翻译：
2,4-咪唑烷二酮（乙内酰脲）分离分子的电子诱导电离和阳离子碎裂：松弛路径阈值的研究
在这项工作中，我们的新实验装置已用于研究益生元分子乙内酰脲在电子撞击下的电离和碎裂。扫描入射电子能量可以确定阳离子的出现阈值。发现垂直电离势与以前的数据非常一致。还测量了主要碎片模式的解离阈值。同时，由于量子化学计算，给出了与实验结果相符的反应方案。
更新日期：2023-05-02
中文翻译：
2,4-咪唑烷二酮（乙内酰脲）分离分子的电子诱导电离和阳离子碎裂：松弛路径阈值的研究
在这项工作中，我们的新实验装置已用于研究益生元分子乙内酰脲在电子撞击下的电离和碎裂。扫描入射电子能量可以确定阳离子的出现阈值。发现垂直电离势与以前的数据非常一致。还测量了主要碎片模式的解离阈值。同时，由于量子化学计算，给出了与实验结果相符的反应方案。
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