Doppelt Ge-bunden: Umsetzungen von elementarem Lithium und Natrium mit Germanium bei 750 °C führen zu der Zintl-Phase Li₃NaGe₂, die gemäß dem Zintl-Klemm-Konzept [Ge=Ge]⁴⁻-Hanteln mit beispiellos kleinen Ge-Ge-Abständen enthält. Auf Basis struktureller, spektroskopischer und theoretischer Untersuchungen werden überzeugende Belege für das tatsächliche Vorliegen von Ge-Ge-Doppelbindungen geliefert.

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Volume128, Issue10

March 1, 2016

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[Ge=Ge]⁴⁻-Hanteln in der Zintl-Verbindung Li₃NaGe₂

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[Ge=Ge]4−-Hanteln in der Zintl-Verbindung Li3NaGe2

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[Ge=Ge]⁴⁻-Hanteln in der Zintl-Verbindung Li₃NaGe₂