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Polynuclear metal complexes obtained from the task-specific ionic liquid betainium bistriflimide

机译:从任务特定的离子液体甜菜碱铋中获得的多核金属配合物

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摘要

The task-specific ionic liquid betainium bis(trifluoromethylsulfonyl)imide, [Hbet][Tf2N], was used to dissolve metal oxides and hydroxides. The crystal structures of the resulting metal betaine bistriflimide complexes exhibit a rich structural variety. A trimeric structure was found for the cobalt(II) compound, [Co-3(bet)(8)(Hbet)(2)(H2O)(2)][Tf2N](9)[Hbet], a tetrameric structure for the manganese(II) and zinc(II) compound, [Mn-4(bet)(10)(H2O)(4)][Tf2N](8) and [Zn-4(bet)(10)(H2O)(2)][Tf2N](8), respectively, a pentameric structure for the nickel(II) compound, [Ni-5(bet)(12)(H2O)(6)][Tf2N](10), an oxo-hydroxo-cluster formation for the lead(II) compound, [(Pb4O)Pb(OH)(bet)(8)(Tf2N)3] [Tf2N](4)center dot MeOH, and a polymeric structure for the silver(I) compound, [Ag-2(bet)(2)(Tf2N)Ag-2(bet)(2)][Tf2N](3). The zwitterionic nature of the betaine ligand and the weakly coordinating ability of the bis(trifluoromethylsulfonyl)imide [Tf2N]- anion facilitates the incorporation of metal ions into oligonuclear and polynuclear metal complexes.
机译:特定任务的离子液体双(三氟甲基磺酰基)酰亚胺铍,[Hbet] [Tf2N],用于溶解金属氧化物和氢氧化物。所得的金属甜菜碱双嘧啶复合物的晶体结构表现出丰富的结构多样性。发现钴(II)化合物为三聚体结构,[Co-3(bet)(8)(Hbet)(2)(H2O)(2)] [Tf2N](9)[Hbet],为四聚体结构锰(II)和锌(II)化合物[Mn-4(bet)(10)(H2O)(4)] [Tf2N](8)和[Zn-4(bet)(10)(H2O)( 2)] [Tf2N](8)分别是镍(II)化合物,[Ni-5(bet)(12)(H2O)(6)] [Tf2N](10),氧代-铅(II)化合物,[(Pb4O)Pb(OH)(bet)(8)(Tf2N)3] [Tf2N](4)中心点MeOH和银(I化合物[Ag-2(bet)(2)(Tf2N)Ag-2(bet)(2)] [Tf2N](3)。甜菜碱配体的两性离子性质和双(三氟甲基磺酰基)酰亚胺[Tf2N]-阴离子的弱配位能力有助于将金属离子掺入寡核和多核金属络合物中。

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