2015
DOI: 10.1002/anie.201507948
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A 2D Polychloride Network Held Together by Halogen–Halogen Interactions

Abstract: In a eutectic mixture of two ionic liquids, we have synthesized and crystallized the new polychloride compound [Et4 N]2 [(Cl3 )2 ⋅Cl2 ] that exhibits a periodic 2D polychloride network acting as an anionic layer. Based on its low melting point and vapor pressure, this compound can be described as a room-temperature ionic liquid. The compound was fully characterized by IR and Raman spectroscopy as well as single-crystal X-ray structure determination. The characterization was complemented by solid-state quantum-… Show more

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Cited by 67 publications
(56 citation statements)
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“…Although the first polyhalides were discovered decades ago, this field of chemistry has been progressing, resulting in an astonishing variety of compounds, often with promising properties, and it keeps providing the chemical community with unexpected and fascinating results. The most recent advances were achieved in the area of non‐iodide polyhalides, for example, synthesis and theoretical studies of enhanced polybromide frameworks and polychlorides; the latter are of special interest due to the clearly decreasing ability to form polyhalides in the I>Br>Cl≫F row. However, despite the general progress in this field, it can be noted that the polyhalide metal complexes remain incomparably less explored.…”
Section: Introductionmentioning
confidence: 99%
“…Although the first polyhalides were discovered decades ago, this field of chemistry has been progressing, resulting in an astonishing variety of compounds, often with promising properties, and it keeps providing the chemical community with unexpected and fascinating results. The most recent advances were achieved in the area of non‐iodide polyhalides, for example, synthesis and theoretical studies of enhanced polybromide frameworks and polychlorides; the latter are of special interest due to the clearly decreasing ability to form polyhalides in the I>Br>Cl≫F row. However, despite the general progress in this field, it can be noted that the polyhalide metal complexes remain incomparably less explored.…”
Section: Introductionmentioning
confidence: 99%
“…Ein energiekonsistentes," multi-electron fit"-, quasi-re-lativistischesS tuttgart-Kçln-Pseudopotential mit einem chemisch inaktiven [Ne]-Rumpf [37] wurde verwendet. [17] (Details zu diesem Basissatz und seiner Konstruktion finden sich in den SI von Lit. [17] (Details zu diesem Basissatz und seiner Konstruktion finden sich in den SI von Lit.…”
Section: Methodsunclassified
“…[12,13] Das Z-fçrmige [Br 8 ] 2À existiert in drei sehr ähnlichen Kristallstrukturen mit unterschiedlichen Kationen (siehe Hintergrundinformationen (SI)). [17] [17] gefunden wurden (Tabelle 1). [17] [17] gefunden wurden (Tabelle 1).…”
unclassified
“…Des Weiteren finden sich Berichte über die Polychlor‐Dianionen [Cl 8 ] 2− [31] und [Cl 12 ] 2− [25] sowie über zweidimensionale Polychloridnetzwerke . Spektroskopische Daten zu diesen sind in Tabelle zusammengestellt.…”
Section: Polychlorideunclassified
“…Zwischen den Ketten der Anionen liegen weitere Trichloride (α‐Cl 3 ), die nicht in Kontakt mit dem sie umgebenden Netzwerk stehen. Somit lässt sich die Struktur am besten als [NEt 4 ] 2 [(Cl 3 ) 2 ⋅Cl 2 )] beschreiben, mit Halogen‐Halogen‐Bindungen zwischen den [Cl 3 ] − ‐ und Cl 2 ‐Bausteinen, die ein zweidimensionales Netzwerk bilden …”
Section: Polychlorideunclassified