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    Luminescence spectra of the mixed complexes [TcClxBr6–x]2–

    Lang, Peter F. and Flint, C.D. (1986) Luminescence spectra of the mixed complexes [TcClxBr6–x]2–. Journal of the Chemical Society, Dalton Transactions 5 , pp. 921-923. ISSN 1472-7773.

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    Reaction of [TcCl6]2– with aqueous HBr followed by rapid precipitation of Cs2[SnCl6] from the solution produces homogeneous crystalline solids which luminesce strongly under blue or ultraviolet excitation. Analysis of the spectra obtained at low temperatures with selective excitation shows the presence of nine of the ten expected stereoisomers of [TcClxBr6–x]2–(x= 0–6). Similar results may be obtained by starting with [TcBr6]2– in aqueous HCl. There is no evidence for the dominance of a trans effect in the substitution reaction.


    Item Type: Article
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Natural Sciences
    Depositing User: Sarah Hall
    Date Deposited: 07 Jul 2020 13:53
    Last Modified: 02 Aug 2023 18:00


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