Time-resolved dissociation of bromonaphthalene ion studied by TPIMS and TRPD. Heat of formation of naphthyl ion
作者:Yehiel Gotkis、Mor Naor、Julia Laskin、Chava Lifshitz、James D. Faulk、Robert C. Dunbar
DOI:10.1021/ja00069a044
日期:1993.8
Dissociation of 1-bromonaphthalene and 2-bromonaphthalene molecular ions was studied by time-resolved photo-dissociation (TRPD) in the ioncyclotronresonance spectrometer at ultraviolet wavelengths and by time-resolved photoionization mass spectromctry (TPIMS) in the vacuum ultraviolet. TRPD of the 1-bromonaphthalene ion gave rate constants of 3.4×10 3 s -1 at 266 nm (4.93 eV ion internal energy)
1-溴萘和2-溴萘分子离子的离解通过离子回旋共振光谱仪中紫外波长的时间分辨光解离(TRPD)和真空紫外的时间分辨光电离质谱(TPIMS)进行了研究。1-溴萘离子的 TRPD 在 266 nm(4.93 eV 离子内能)下的速率常数为 3.4×10 3 s -1,在 252 nm(5.19 eV 内能)下的速率常数为 1.6×10 4 s -1。TRPD 结果以及母体 C 10 H 7 Br + 和子体 C 10 H 7 + 的时间分辨 PIE 曲线通过 RRKM 计算建模