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Sünkel, Karlheinz ORCID logoORCID: https://orcid.org/0000-0001-5631-8120 und Klein-Heßling, Christian (19. August 2024): Molecular and Crystal Structures of Some Bromocymantrenes. In: Journal of Chemical Crystallography, Bd. 54: S. 336-346 [PDF, 1MB]

Abstract

Crystals of mono- and dibromo as well as two isomeric tribromocymantrenes [Mn(C5H5-nBrn)(CO)2(PPh3)] (n = 1–3) were obtained and examined by X-ray diffraction. The degree of substitution has only minor influence on bond lengths and angles. However, the relative orientations of bromo substituents and PPh3 ligand as well as relative orientation of the cyclopentadienyl ring and the MnC2P tripod are sensitive to the number and position of bromines. All compounds show weak Br…O interactions, mostly combined with hydrogen bonds, while Br…Br interactions are unimportant. These interactions lead to sometimes complicated chain structures.

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