4 years ago

Trigonal Bipyramidal Metalselenide Clusters with Palladium and Tin Atoms in Various Positions

Trigonal Bipyramidal Metalselenide Clusters with Palladium and Tin Atoms in Various Positions
Katharina Hanau, Lukas Guggolz, Niklas Rinn, Sangam Chatterjee, Andre Rinn, Stefanie Dehnen
The reaction of [(R1Sn)3Se4Cl] (R1 = CMe2CH2COMe) with [Pd(PPh3)2Cl2], (SiMe3)2Se, and hydrazine hydrate yields a new Pd/Se cluster, [Pd3(PPh3)5(SeH)(μ3-Se)2][SnCl3] (1). Using [(R1Sn)4Se6] as reactant and varying the reaction conditions as well as the addition of (SiMe3)2Se and hydrazine hydrate, [Pd3(PPh3)5(SnCl3)(μ3-Se)2][SnCl3] (2) and [Pd2(PPh3)3Cl{SnR2Cl2}(μ3-Se)2] (3) can be isolated. 3 is the first compound based on a [Pd2SnSe2] moiety, which furthermore exhibits a functional organic group at the tin atom. Its photoluminescence and absorption spectra are discussed as well. All compounds were characterized by single-crystal X-ray diffraction, indicating a bipyramidal structure. Mass spectrometric analyses of the reaction solutions provide some insight into the formation of the clusters.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/zaac.201700252

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