Generation and electronic properties of lanthanide-cyclooctatetraene organometallic clusters in gas phase

T. Kurikawa, Y. Negishi, F. Hayakawa, S. Nagao, K. Miyajima, A. Nakajima, K. Kaya

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Organometallic clusters of lanthanide (Ln = Nd, Er, Eu, and Yb) and 1,3,5,7-cyclooctatetraene (C8H8) were produced by a combination of laser vaporization and molecular beam methods. In the mass spectra of [Lnn,(C8H8)m], compositions of m = n + 1 were magic numbers. From mass spectrometry, photo-ionization spectroscopy, and photoelectron spectroscopy, we have concluded that these magic-numbered clusters take multiple-decker sandwich structures in which Ln atoms and C8H8 molecules are alternatedly piled up. These sandwich clusters are formed through ionic bonds composed of multiply charged cations [Lnk+ (k = 2 and 3)] and multiply charged anions [C8Hh-8 (h = 1, 1.5, and 2)].

Original languageEnglish
Pages (from-to)283-287
Number of pages5
JournalEuropean Physical Journal D
Issue number1-4
Publication statusPublished - 1999 Dec


ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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