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Ein theoretischer Beleg: Die Existenz anorganischer Doppelhelix‐Strukturen auf atomarer Ebene wird theoretisch vorausgesagt. Eine quantenmechanische Suche nach dem globalen energetischen Minimum von LixPx‐Strukturen (x=5–9) ergab für die Strukturen der Verbindungen Li7P7 bis Li9P9 im energetischen globalen Minimum die Form einer Doppelhelix (siehe Bild).
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