Charge distributions in multiple-decker sandwich clusters of lanthanide-cyclooctatetraene: Application of Na-atom doping

Ken Miyajima; Tsuyoshi Kurikawa; Masatomo Hashimoto; Atsushi Nakajima; Koji Kaya

doi:10.1016/S0009-2614(99)00489-3

Charge distributions in multiple-decker sandwich clusters of lanthanide-cyclooctatetraene: Application of Na-atom doping

Ken Miyajima, Tsuyoshi Kurikawa, Masatomo Hashimoto, Atsushi Nakajima, Koji Kaya

Department of Chemistry

Research output: Contribution to journal › Article

36 Citations (Scopus)

Abstract

In gas phase, Na-atom adducts were produced for organometallic lanthanide complexes of Ln_n(C₈H₈)_n+1 [Ln = europium (Eu) and holmium (Ho); C₈H₈ = 1,3,5,7-cyclooctatetraene (COT)] by a combination of two-laser vaporization and a molecular beam method. The number of attached Na atoms can be reasonably explained by charge distributions of the complex, where Eu and Ho atoms exist as Eu²⁺ and Ho³⁺ , respectively, and C₈H₈ molecules as COT^2-, accepting two excess electrons. The behavior of the Na adducts chemically demonstrates that the organometallic lanthanide complex is formed through ionic bonding, implying that it is possible to be isolated as its Na salt.

Original language	English
Pages (from-to)	256-262
Number of pages	7
Journal	Chemical Physics Letters
Volume	306
Issue number	5-6
DOIs	https://doi.org/10.1016/S0009-2614(99)00489-3
Publication status	Published - 1999 Jun 18

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ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

Cite this

Miyajima, K., Kurikawa, T., Hashimoto, M., Nakajima, A., & Kaya, K. (1999). Charge distributions in multiple-decker sandwich clusters of lanthanide-cyclooctatetraene: Application of Na-atom doping. Chemical Physics Letters, 306(5-6), 256-262. https://doi.org/10.1016/S0009-2614(99)00489-3

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abstract = "In gas phase, Na-atom adducts were produced for organometallic lanthanide complexes of Lnn(C8H8)n+1 [Ln = europium (Eu) and holmium (Ho); C8H8 = 1,3,5,7-cyclooctatetraene (COT)] by a combination of two-laser vaporization and a molecular beam method. The number of attached Na atoms can be reasonably explained by charge distributions of the complex, where Eu and Ho atoms exist as Eu2+ and Ho3+ , respectively, and C8H8 molecules as COT2-, accepting two excess electrons. The behavior of the Na adducts chemically demonstrates that the organometallic lanthanide complex is formed through ionic bonding, implying that it is possible to be isolated as its Na salt.",

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10.1016/S0009-2614(99)00489-3