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Heteroatomic Si/Ge Zintl Clusters: Single-Crystal Structure Determination of Rb4[Si7.8Ge1.2](NH3)5 and [Rb([18]crown-6)Rb3][Si7.5Ge1.5](NH3)4

Authors

  • Markus Waibel,

    1. Department Chemie, Technische Universität München, Lichtenbergstraße 4, 85747 Garching (Germany), Fax: (+49) 89-289-13186
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  • Christian B. Benda,

    1. Department Chemie, Technische Universität München, Lichtenbergstraße 4, 85747 Garching (Germany), Fax: (+49) 89-289-13186
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  • Dr. Bernhard Wahl,

    1. Department Chemie, Technische Universität München, Lichtenbergstraße 4, 85747 Garching (Germany), Fax: (+49) 89-289-13186
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  • Prof. Dr. Thomas F. Fässler

    Corresponding author
    1. Department Chemie, Technische Universität München, Lichtenbergstraße 4, 85747 Garching (Germany), Fax: (+49) 89-289-13186
    • Department Chemie, Technische Universität München, Lichtenbergstraße 4, 85747 Garching (Germany), Fax: (+49) 89-289-13186
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Abstract

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Towards silicon microelectronics: Dissolution of the heteroatomic Group 14 element Zintl phase Rb12Si12Ge5 in liquid ammonia led to the isolation of two [E9]4− clusters with Si and Ge mixed site occupation. The existence of [Si7.5(1)Ge1.5(1)]4− and [Si7.8(1)Ge1.2(1)]4− as soluble ions opens new synthetic routes for mixed metal semiconductors (see figure).

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