Photodissociation dynamics and the dissociation energy of vanadium monoxide, VO, investigated using velocity map imaging

被引：9
|
作者：
Gentleman, Alexander S. [1 ]
Iskra, Andreas [1 ]
Kockert, Hansjochen [1 ]
Mackenzie, Stuart R. [1 ]
机构：
[1] Univ Oxford, Dept Chem, Phys & Theoret Chem Lab, South Parks Rd, Oxford OX1 3QZ, England
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2019年 / 21卷 / 28期
基金：
英国工程与自然科学研究理事会;
关键词：
ROTATIONAL STRUCTURE; METAL-CLUSTERS; SPECTROSCOPY; STATE; OXIDE; PHOTOELECTRON; ATMOSPHERES; TRANSITION; SPECTRUM; SYSTEM;
D O I：
10.1039/c9cp02120e
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Velocity map imaging has been employed to study multi-photon fragmentation of vanadium monoxide (VO) via the C (4)sigma(-) state. The fragmentation dynamics are interpreted in terms of dissociation at the three-photon level, with the first photon weakly resonant with transitions to vibrational energy levels of the C (4)sigma(-) state. The dissociation channels accessed are shown to depend strongly on the vibrational level via which excitation takes place. Analysis of the evolution of the kinetic energy release spectrum with photon energy leads to a refined value for the dissociation energy of ground state VO of D-0(VO) = 53 126 +/- 263 cm(-1).
引用
收藏
页码：15560 / 15567
页数：8
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