1985
DOI: 10.1002/zaac.19855240521
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Addukte schwefelhaltiger Heteroaromaten mit SbCl3 Untersuchungen zur Bildung und Kristallstruktur von 2,2′‐Dithienyl · 2 SbCl3 und Benzo[b]thiophen · 2 SbCl3

Abstract: Während das System 2,2′‐Dithienyl—SbCl3 wegen irreversibler thermischer Zersetzungsreaktionen mit DTA nicht untersucht werden konnte, resultierte mit dieser Methode für das System Benzo[b]thiophen—SbCl3 quasibinäres Verhalten und die Existenz einer bei 71,2°C kongruent schmelzenden Verbindung Benzo[b]thiophen · 2 SbCl3. Kristalle dieses und des analog zusammengesetzten Addukts 2,2′‐Dithienyl · 2 SbCl3 wurden aus Lösung erhalten. Ihre Strukturen wurden durch Röntgenbeugung als die von bπ‐v‐Komplexen bestimmt. S… Show more

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Cited by 10 publications
(3 citation statements)
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“…The Sb atoms are offset from the ring centroids toward an η 2 coordination ( 59 ). The structure closely resembles that of (SbBr 3 )·(Ph 2 ), and the crystals are in fact isotypic…”
Section: Arene Complexes Of the Low-valent Group 15 Element Halides A...mentioning
confidence: 90%
See 1 more Smart Citation
“…The Sb atoms are offset from the ring centroids toward an η 2 coordination ( 59 ). The structure closely resembles that of (SbBr 3 )·(Ph 2 ), and the crystals are in fact isotypic…”
Section: Arene Complexes Of the Low-valent Group 15 Element Halides A...mentioning
confidence: 90%
“…Owing to a 2-fold orientational disorder of the parent ligand, the complex has a pseudo symmetry of inversion, which places the two SbCl 3 units on different sides of the ligand plane, with the Sb atoms at an average distance of 3.25 Å. This and the remainder of the structural details are of low accuracy owing to the extensive disorder, but there can be no question regarding the mode of the assembly of the components: a π complexation of SbCl 3 by both the benzene and the thiophene ring, the former resembling that found in numerous other benzene or phenyl complexes and the latter closely analogous to that found for 2,2′-dithienyl . There is no structural information yet on adducts of related nitrogen and oxygen heterocycles, such as pyrrole and furan, respectively.…”
Section: Arene Complexes Of the Low-valent Group 15 Element Halides A...mentioning
confidence: 99%
“…In most of the molecules the S atoms are transoid about the ring junction, but there is 15% disorder towards a cisoid structure. Disorder in thiophene structures is relatively common (Korte, Lipka & Mootz, 1985). This should have observable effects on the molecular parameters.…”
Section: Commentmentioning
confidence: 99%