Study on photodissociation spectra and decay pathways of gas-phase PdCl3-and PdCl2-anions by electrospray ionization mass spectrometry and MRCI calculation

被引：0

作者：

Koyama, Masahiro ^{[1
]}

Kurosaki, Yuzuru ^{[2
]}

Muramatsu, Satoru ^{[1
]}

Saeki, Morihisa ^{[2
]}

Inokuchi, Yoshiya ^{[1
]}

机构：

[1] Hiroshima Univ, Grad Sch Adv Sci & Engn, Dept Chem, Hiroshima 7398526, Japan

[2] Natl Inst Quantum Sci & Technol QST, Takasaki Inst Adv Quantum Sci, Dept Adv Funct Mat Res, Takasaki, Gunma 3701292, Japan

来源：

CHEMICAL PHYSICS LETTERS | 2024年 / 857卷

关键词：

Palladium complex anion; Photodissociation; Electrospray ionization mass spectrometry; MRCI calculation; LASER-INDUCED PHOTOREDUCTION; INDUCED PARTICLE FORMATION; REDUCTIVE ELIMINATION; CHARGED ANIONS; PALLADIUM(II); PD-107; SPECTROSCOPY; SEPARATION; XAFS;

D O I：

10.1016/j.cplett.2024.141736

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：

We investigate photodissociation of the gas-phase palladium complex anions, Pd(II)Cl3- and Pd(I)Cl2- , both experimentally and theoretically. Visible photodissociation mass spectrometry reveals that the main dissociation channels differ for Pd(II)Cl3- and Pd(I)Cl2- ; the former yields neutral chlorine atom (Pd(I)Cl2- + Cl) whereas the latter affords chloride anion (Pd(I)Cl + Cl-). Absorption spectrum and photodissociation channels are predicted using the MRCI method. The observed absorption spectrum and dissociation product for Pd(II)Cl3- agree with the MRCI calculation, whereas those for Pd(I)Cl2- do not, which suggests that some relaxation process such as internal conversion significantly contributes to the photodissociation of Pd(I)Cl2- .

引用

页数：7

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