摘要
利用同步辐射光电高质谱法对间硝基本胶（C6H6N2O2）进行了研究；测得了其电离势IP（C6H6N2O2）为966±0.05ev，以及一些碎片离子出现势AP，计算出了离解能D0（N2O－C6H6N+)和离子生成焓△Hf（C6H6N＋）.给出了间硝基苯胜的同步辐射光电离质谱图，并对主要碎片离子的产生过程进行了初步分析．
The photoionization and photodissociative ionization processes of m-nitroaniline (CeH6N2O2) have been investigated with synchrotron radiation (SR). The ionization po-tential (IP) of m-nitroaniline and the appearance potentials (AP) of the ionic fragments from the SR dissociative photoionization of C6H6N2O2 have been measured. Based on the IP(C6H6N2O2), AP(C6H6N+) and the related molecular formation enthalpies, D0(O2N-C6H6N+ )and AH(C6H6N+) have been evaluated. The mass spectrum of C6H6N2O2 obtained with SR pho-toionization has been presented. The most possible channels of dissociative photoionization have been discussed.
出处
《物理化学学报》
SCIE
CAS
CSCD
北大核心
1997年第4期317-321,共5页
Acta Physico-Chimica Sinica
关键词
同步辐射
光电离质谱
电离势
间硝基苯胺
Synchrotron radiation, Photoionization, Ionization potential, Mass spectrum,m-nitroaniline
