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Studies Andab Initiocalculations On The Characteristics Of The C State Ofsf2

Author

Listed:
  • XIAOGUO ZHOU

    (Open Laboratory of Bond-selective Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, P R China;
    Abdus Salam International Centre for Theoretical Physics, 34014 Trieste, Italy)

  • SHUQIN YU

    (Open Laboratory of Bond-selective Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, P R China;
    Abdus Salam International Centre for Theoretical Physics, 34014 Trieste, Italy)

  • ZHENYU SHENG

    (Open Laboratory of Bond-selective Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, P R China;
    Abdus Salam International Centre for Theoretical Physics, 34014 Trieste, Italy)

  • XINGXIAO MA

    (Open Laboratory of Bond-selective Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, P R China)

  • YAJUN LIU

    (Graduate School at Beijing, University of Science and Technology of China, Academia Sinica, PO Box 3908, Beijing 100039, P R China)

  • MINGBAO HUANG

    (Graduate School at Beijing, University of Science and Technology of China, Academia Sinica, PO Box 3908, Beijing 100039, P R China)

  • QUANXIN LI

    (Department of Chemical System Engineering, School of Engineering, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan)

Abstract

SF2radicals were generated by a pulsed dc discharge in a gas beam ofSF2and Ar. The (2+1) resonance-enhanced multiphoton ionization (REMPI) excitation spectrum ofSF2radical was obtained between 330 and 365 nm. TheSF+cation signals were also observed in the same wavelength range.Ab initiocalculations show that the C state is a predissociative state with Rydberg characteristics. The REMPI spectrum is assigned to a two-photon resonant excitation of theSF2radical (theB1B1andC1A1states). Potential energy curves of excited states of theSF2radical obtained byab initiocalculations suggest thatSF+cations originate from the ionization of SF fragments yielded from the dissociation of the C state.

Suggested Citation

  • Xiaoguo Zhou & Shuqin Yu & Zhenyu Sheng & Xingxiao Ma & Yajun Liu & Mingbao Huang & Quanxin Li, 2002. "Studies Andab Initiocalculations On The Characteristics Of The C State Ofsf2," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 9(01), pages 69-75.
    • Handle: RePEc:wsi:srlxxx:v:09:y:2002:i:01:n:s0218625x02001975
    DOI: 10.1142/S0218625X02001975
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