Nanosecond-Lived Excimer Observation in a Crystal of a Rhodium(I) Complex via Time-Resolved X-ray Laue Diffraction

被引：1

作者：

Laski, Piotr ^{[1
]}

Bosman, Lerato ^{[2
]}

Drapala, Jakub ^{[1
,3
]}

Kaminski, Radoslaw ^{[1
]}

Szarejko, Dariusz ^{[1
]}

Borowski, Patryk ^{[1
]}

Roodt, Andreas ^{[2
]}

Henning, Robert ^{[4
]}

Brink, Alice ^{[2
]}

Jarzembska, Katarzyna N. ^{[1
]}

机构：

[1] Univ Warsaw, Dept Chem, PL-02089 Warsaw, Poland

[2] Univ Free State, Dept Chem, ZA-9301 Bloemfontein, South Africa

[3] Warsaw Univ Technol, Fac Chem, PL-00664 Warsaw, Poland

[4] Univ Chicago, Ctr Adv Radiat Sources, Chicago, IL 60637 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2024年

基金：

芬兰科学院; 美国国家卫生研究院; 瑞士国家科学基金会; 新加坡国家研究基金会;

关键词：

METALLOPHILIC INTERACTIONS; STRUCTURAL DYNAMICS; LIGHT; CRYSTALLOGRAPHY; PHOTOCHEMISTRY; CARBONYLATION; PATHWAYS; TOOLKIT; PROTEIN; CU(I);

D O I：

10.1021/acs.jpclett.4c02476

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：

The rare observation of transient Rh<middle dot><middle dot><middle dot>Rh excimer formation in a single crystal is reported. The estimated excited-state lifetime at 100 K is 2 ns, which makes it the shortest-lived small-molecule species caught experimentally using the laser-pump/X-ray-probe time-resolved Laue method. Upon excitation with 390 nm laser light, the intermolecular Rh<middle dot><middle dot><middle dot>Rh distance decreases from 3.379(4) to 3.19(1) & Aring;, and the metal-metal contact gains more bonding character. On the basis of the experimental results and theoretical modeling, the structural changes determined with 100 ps time resolution reflect principally the S-0 -> S-1 electronic transition.

引用

页码：10301 / 10306

页数：6

共 71 条

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