Phosphaniminato-Komplexe des Arsens. Kristallstrukturen von [AsCl(NPMe3)]2Cl2, [AsCl(NPMe3)2SbCl4]SbCl6 und [AsCl(NPMe3)2SnCl4] · CH3CN
作者： Ralf Garbe , Sigrid Wocadlo , Hak-Chul Kang , Werner Massa , Klaus Harms
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摘要: Phosphane Iminato Complexes of Arsenic. Crystal Structures [AsCl(NPMe3)]2Cl2, [AsCl(NPMe3)2SbCl4]SbCl6, and [AsCl(NPMe3)2SnCl4] · CH3CN [AsCl(NPMe3)]2Cl2 (1) was prepared by the reaction arsenic trichloride with silylated phosphane imine Me3-SiNPMe3 in acetonitrile solution. According to crystal structure determination, 1 has an ionic [AsCl(NPMe3)]22+ ions, which As atoms are linked μ2-N NPMe3– groups. Compound reacts antimony pentachloride give [AsCl(NP-Me3)2SbCl4]+SbCl6– (2), tin tetrachloride form (3), is isoelectronic cation 2. In 2 3 AsCl(NPMe3)2 acts as a chelating agent forming , respectively, four-membered ring structures.
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