Ionization and Dissociation of Nitrosyl Chloride Molecule in the Intense Femtosecond Laser Field

• 来源期刊: 中国化学（英文版）
• 年，卷（期）: 2006,（7）
• 页码范围: 867-871
• 页数: 5页
• 语种: 英文

摘要

Ionization and dissociation of nitrosyl chloride ClNO were studied using femtosecond laser mass spectra technique. Strong fragmental ions NO+and Cl+were observed with the laser intensity varied from 3.2 × 1014 to 2.5 ×1015 W/cm2. These fragmental ions were attributed to the direct dissociation of the parent ions. Electronic structure calculations were also carried out with Hartree-Fock, density functional and correlated levels of theory to understand the possible fragmentation pathways. The very low N-Cl bond energy in the parent ion of nitrosyl chloride is a clear reason for the absence of ClNO+ and ClN+ ion peaks from the femtosecond laser mass spectrum.