Ultrafast Coulomb explosion of a diiodomethane molecule induced by an X-ray free-electron laser pulse

Author:

Takanashi Tsukasa1234ORCID,Nakamura Kosuke56274,Kukk Edwin891011,Motomura Koji1234,Fukuzawa Hironobu123412,Nagaya Kiyonobu12134146,Wada Shin-ichi121341516,Kumagai Yoshiaki1234,Iablonskyi Denys1234,Ito Yuta1234,Sakakibara Yuta1234,You Daehyun1234,Nishiyama Toshiyuki14617184,Asa Kazuki14617184,Sato Yuhiro14617184,Umemoto Takayuki1516194,Kariyazono Kango1516194,Ochiai Kohei56274,Kanno Manabu56274,Yamazaki Kaoru52021224ORCID,Kooser Kuno89101123,Nicolas Christophe24252627,Miron Catalin2425262728ORCID,Asavei Theodor28293031,Neagu Liviu28293031,Schöffler Markus32333435,Kastirke Gregor32333435,Liu Xiao-Jing36373839,Rudenko Artem4014414243,Owada Shigeki12134,Katayama Tetsuo44134,Togashi Tadashi44134,Tono Kensuke44134,Yabashi Makina12134,Kono Hirohiko56274,Ueda Kiyoshi123412ORCID

Affiliation:

1. Institute of Multidisciplinary Research for Advanced Materials

2. Tohoku University

3. Sendai 980-8577

4. Japan

5. Department of Chemistry

6. Graduate School of Science

7. Sendai 980-8578

8. Department of Physics and Astronomy

9. University of Turku

10. Turku FI-20014

11. Finland

12. RIKEN SPring-8 Center

13. Sayo

14. Department of Physics

15. Department of Physical Science

16. Hiroshima University

17. Kyoto University

18. Kyoto 606-8502

19. Higashi-Hiroshima 739-8526

20. Faculty of Science

21. Hokkaido University

22. Sapporo 060-0810

23. Institute of Physics

24. Synchrotron SOLEIL

25. L'Orme des Merisiers

26. FR-91192 Gif-sur-Yvette Cedex

27. France

28. Extreme Light Infrastructure – Nuclear Physics (ELI-NP)

29. “Horia Hulubei” National Institute for Physics and Nuclear Engineering

30. RO-077125 Măgurele, Jud. Ilfov

31. Romania

32. Institut für Kernphysik

33. J. W. Goethe Universität

34. Frankfurt D-60438

35. Germany

36. School of Physics and Nuclear Energy Engineering

37. Beihang University

38. Beijing 100191

39. People's Republic of China

40. J. R. Macdonald Laboratory

41. Kansas State University

42. Manhattan

43. USA

44. Japan Synchrotron Radiation Research Institute (JASRI)

Abstract

The Coulomb explosion mechanism of a CH2I2 molecule is rather different to that of CH3I. The kinetic energy of iodine ions is ∼3 times larger due to Coulomb repulsion of the two iodine ions, while that of carbon ions is almost the same for both, as indicated by the red arrows that represent kinetic energies of the atomic ions.

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

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