Ni–Ar complex studied by laser spectroscopy

文献信息

发布日期 2000-08-21

DOI 10.1039/B004714G

影响因子 3.676

作者

Yasunobu Kawamoto, Kenji Honma

查看原文

摘要

New absorption band systems are observed by a photolysis–supersonic jet experiment on nickelocene, Ni(C5H5)2, at 300–305 nm region. They appear only in the coexpansion of nickelocene with Ar or Ar seeded in He. Taking into account dependences of the band intensities on the photolysis laser power and nozzle pressure, they are attributed to the transitions of a Ni–Ar van der Waals complex. Analysis of vibrational structures in these bands gives binding energies and potential parameters of the excited states of the complex. Since dispersed fluorescence of these bands consists of entirely atomic transitions of Ni, the excited states of the Ni–Ar complex are considered to predissociate to Ni* + Ar with very short lifetimes. Specific products, Ni(3F3, 3F4 and z 1P1) from one band and Ni(z 1D2) from the other, are selectively formed and they suggest predissociation ia the crossings with specific dissociative potential curves. In one band system, relative yields of products depend on the vibrational levels of the excited state and give detailed information about the curve crossing. The atomic asymptotes for the excited states are assigned to be Ni(y 3D1) and Ni(y 3D2).

期刊推荐

Bioorganic & Medicinal Chemistry

Chinese Journal of Chemistry

Critical Reviews in Solid State and Materials Sciences

Acta Metallurgica Sinica-English Letters

Atomization and Sprays

Biocatalysis and Biotransformation

Bioorganic & Medicinal Chemistry Letters

Herald of the Russian Academy of Sciences

Topics in Catalysis

Medicinal Chemistry Research

来源期刊

Physical Chemistry Chemical Physics

CiteScore: 5.5

自引率: 10.3%

年发文量: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.