| Autor: |
Maximilian Knies, Dr. Matthias F. Groh, Tobias Pietsch, Mai Lê Anh, Prof. Dr. Michael Ruck |
| Jazyk: |
angličtina |
| Rok vydání: |
2021 |
| Předmět: |
|
| Zdroj: |
ChemistryOpen, Vol 10, Iss 2, Pp 110-116 (2021) |
| Druh dokumentu: |
article |
| ISSN: |
2191-1363 |
| DOI: |
10.1002/open.202000246 |
| Popis: |
Abstract Bi2S3 was dissolved in the presence of either AuCl/PtCl2 or AgCl in the ionic liquids [BMIm]Cl ⋅ xAlCl3 (BMIm=1‐n‐butyl‐3‐methylimidazolium; x=4–4.3) through annealing the mixtures at 180 or 200 °C. Upon cooling to room temperature, orange, air‐sensitive crystals of [BMIm](Bi4S4)[AlCl4]5 (1) or Ag(Bi7S8)[S(AlCl3)3]2[AlCl4]2 (2) precipitated, respectively. 1 did not form in the absence of AuCl/PtCl2, suggesting an essential role of the metal cations. X‐ray diffraction on single‐crystals of 1 revealed a monoclinic crystal structure that contains (Bi4S4)4+ heterocubanes and [AlCl4]− tetrahedra as well as [BMIm]+ cations. The intercalation of the ionic liquid was confirmed via solid state NMR spectroscopy, revealing unusual coupling behavior. The crystal structure of 2 consists of (Bi7S8)5+ spiro‐dicubanes, [S(AlCl3)3]2− tetrahedra triples, isolated [AlCl4]− tetrahedra, and heavily disordered silver(I) cations. No cation ordering took place in 2 upon slow cooling to 100 K. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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