In Balance: Gestapelte Phenalenyle im diradikalischen Singulett-Zustand weisen sowohl intra- als auch intermolekulare Spin-Spin-Wechselwirkungen zwischen ungepaarten Elektronen auf. Die elektronische Struktur der eindimensionalen π-π-Kette wird am besten durch die Resonanzformen A und B im Rahmen des Modells der resonierenden Valenzbindung (RVB) beschrieben. Bei niedrigeren Temperaturen und höheren Drücken gewinnt die Formel B an Gewicht. Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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Shimizu et al. (2009) studied this question.
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