Solvothermal Syntheses and Crystal Structures of New One-dimensional Selenogallates [bappH2][Ga2Se4] (bapp = 1,4-Bis-(3-aminopropyl)piperazine) and [Mn(en)3][Ga2Se5] (en = Ethylenediamine)
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X Ray
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Two new selenogallates, [bappH2][Ga2Se4] (1) (bapp = 1,4-bis(3-aminopropyl)-piperazine) and [Mn(en)3][Ga2Se5] (2) (en = ethylenediamine), have been synthesized under solvothermal conditions and structurally characterized by single-crystal X-ray diffraction. Compounds 1 and 2 contain one-dimensional polymeric chains {[Ga2Se4]2−}∞ and {[Ga2Se5]2−}∞, respectively. The negative charges of the polymeric chains are balanced by a protonated 1,4-bis(3-aminopropyl)piperazine cation in 1 and by the metal-amine complex cations [Mn(en)3]2+ in 2. TGA analyses have shown that compound 2 is thermally more stable than compound 1.
2018 ◽
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pp. 332-336
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