Dissociation of doubly charged clusters of lithium acetate: Asymmetric fission and breakdown of the liquid drop model: Dissociation of doubly charged clusters of lithium acetate

Journal Article · Wed Jun 08 00:00:00 EDT 2016 · Rapid Communications in Mass Spectrometry

DOI:https://doi.org/10.1002/rcm.7597· OSTI ID:1342321

Shukla, Anil ^[1]

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1. Pacific Northwest National Laboratory, Richland WA 99354 USA

Unimolecular and collision-induced dissociation of doubly charged lithium acetate clusters, (CH3COOLi)nLi22+, demonstrated that Coulomb fission via charge separation is the dominant dissociation process with no contribution from the neutral evaporation processes for all such ions from the critical limit to larger cluster ions, although latter process have normally been observed in all earlier studies. These results are clearly in disagreement with the Rayleigh’s liquid drop model that has been used successfully to predict the critical size and explain the fragmentation behavior of multiply charged clusters.

• Research Organization: Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC05-76RL01830
• OSTI ID: 1342321
• Report Number(s): PNNL-SA-114548; KP1704020
• Journal Information: Rapid Communications in Mass Spectrometry, Vol. 30, Issue 13; ISSN 0951-4198
• Publisher: Wiley
• Country of Publication: United States
• Language: English

Related Subjects

Cluster Ions
Coulomb Fission
Liquid Drop Model