Pyramidal structures of lanthanide-C60 clusters (Lnn(C60)m: Ln = Eu and Ho)

A. Nakajima; S. Nagao; Y. Negishi; A. Kato; Y. Nakamura

doi:10.1021/jp992630x

Pyramidal structures of lanthanide-C₆₀ clusters (Ln_n(C₆₀)_m: Ln = Eu and Ho)

A. Nakajima, S. Nagao, Y. Negishi, A. Kato, Y. Nakamura

Department of Chemistry

Research output: Contribution to journal › Letter › peer-review

21 Citations (Scopus)

Abstract

A two-laser vaporization method produced novel lanthanide organometallic culsters, Ln_n(C₆₀)_m, consisting of lanthanide atoms (Ln; Ln = Eu and Ho) and C₆₀ molecules in the gas phase. The Ln_n(C₆₀)_m clusters were produced predominantly at compositions of (n,m) = (n, n + 3) [n = 1-4]. These stoichiometries revealed no chemisorption reactivity toward CCl₄ and O₂ reactants. The cluster having (1,4) composition was proposed to form a tetrahedral structure, in which a Ln atom was surrounded by four C₆₀ molecules. In larger clusters with (n, n + 3) composition, each Ln atom was in a local (1,4) group. Ln₁(C₆₀)_m clusters were charge-transfer complexes expressed as Ln₁^x+(C₆₀)_m^x+, and that Eu and Ho atoms existed as Eu²⁺ and Ho³⁺ ions, respectively.

Original language	English
Pages (from-to)	8909-8914
Number of pages	6
Journal	Journal of Physical Chemistry A
Volume	103
Issue number	45
DOIs	https://doi.org/10.1021/jp992630x
Publication status	Published - 1999 Nov 11

ASJC Scopus subject areas

Physical and Theoretical Chemistry

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title = "Pyramidal structures of lanthanide-C60 clusters (Lnn(C60)m: Ln = Eu and Ho)",

abstract = "A two-laser vaporization method produced novel lanthanide organometallic culsters, Lnn(C60)m, consisting of lanthanide atoms (Ln; Ln = Eu and Ho) and C60 molecules in the gas phase. The Lnn(C60)m clusters were produced predominantly at compositions of (n,m) = (n, n + 3) [n = 1-4]. These stoichiometries revealed no chemisorption reactivity toward CCl4 and O2 reactants. The cluster having (1,4) composition was proposed to form a tetrahedral structure, in which a Ln atom was surrounded by four C60 molecules. In larger clusters with (n, n + 3) composition, each Ln atom was in a local (1,4) group. Ln1(C60)m clusters were charge-transfer complexes expressed as Ln1x+(C60)mx+, and that Eu and Ho atoms existed as Eu2+ and Ho3+ ions, respectively.",

author = "A. Nakajima and S. Nagao and Y. Negishi and A. Kato and Y. Nakamura",

year = "1999",

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T1 - Pyramidal structures of lanthanide-C60 clusters (Lnn(C60)m

T2 - Ln = Eu and Ho)

AU - Nakajima, A.

AU - Nagao, S.

AU - Negishi, Y.

AU - Kato, A.

AU - Nakamura, Y.

PY - 1999/11/11

Y1 - 1999/11/11

N2 - A two-laser vaporization method produced novel lanthanide organometallic culsters, Lnn(C60)m, consisting of lanthanide atoms (Ln; Ln = Eu and Ho) and C60 molecules in the gas phase. The Lnn(C60)m clusters were produced predominantly at compositions of (n,m) = (n, n + 3) [n = 1-4]. These stoichiometries revealed no chemisorption reactivity toward CCl4 and O2 reactants. The cluster having (1,4) composition was proposed to form a tetrahedral structure, in which a Ln atom was surrounded by four C60 molecules. In larger clusters with (n, n + 3) composition, each Ln atom was in a local (1,4) group. Ln1(C60)m clusters were charge-transfer complexes expressed as Ln1x+(C60)mx+, and that Eu and Ho atoms existed as Eu2+ and Ho3+ ions, respectively.

AB - A two-laser vaporization method produced novel lanthanide organometallic culsters, Lnn(C60)m, consisting of lanthanide atoms (Ln; Ln = Eu and Ho) and C60 molecules in the gas phase. The Lnn(C60)m clusters were produced predominantly at compositions of (n,m) = (n, n + 3) [n = 1-4]. These stoichiometries revealed no chemisorption reactivity toward CCl4 and O2 reactants. The cluster having (1,4) composition was proposed to form a tetrahedral structure, in which a Ln atom was surrounded by four C60 molecules. In larger clusters with (n, n + 3) composition, each Ln atom was in a local (1,4) group. Ln1(C60)m clusters were charge-transfer complexes expressed as Ln1x+(C60)mx+, and that Eu and Ho atoms existed as Eu2+ and Ho3+ ions, respectively.

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DO - 10.1021/jp992630x

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JF - Journal of Physical Chemistry A

SN - 1089-5639

IS - 45

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Pyramidal structures of lanthanide-C₆₀ clusters (Ln_n(C₆₀)_m: Ln = Eu and Ho)

Abstract

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