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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Triethylphosphanimine Complexes of the Acetates of Copper(II) and Zinc. Crystal Structures of [Zn(O_2C-CH_3)_2(HNPEt_3)], [Cu_5(O_2C-CH_3)_(10)(HNPEt_3)_2], and [Cu(O_2C-CH_3)_2(HNPEt_3)_2]
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Triethylphosphanimine Complexes of the Acetates of Copper(II) and Zinc. Crystal Structures of [Zn(O_2C-CH_3)_2(HNPEt_3)], [Cu_5(O_2C-CH_3)_(10)(HNPEt_3)_2], and [Cu(O_2C-CH_3)_2(HNPEt_3)_2]

机译：铜（II）和锌的乙酸盐的三乙基膦酰亚胺配合物。 [Zn（O_2C-CH_3）_2（HNPEt_3）]，[Cu_5（O_2C-CH_3）_（10）（HNPEt_3）_2]和[Cu（O_2C-CH_3）_2（HNPEt_3）_2]的晶体结构

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The title compounds originate from the anhydrous acetates of zinc and copper(II) with trimethylsilyl-triethylphosphanimine, Me_3SiNPEt_3, in the presence of water in dichloromethane. They form colourless (1), bluish-green (2), and blue (3), respectively, single crystals, which were characterized by IR spectroscopy and by crystal structure analyses. [Zn(O_2C-CH_3)_2(HNPEt_3)] (1) : Space group P 42_1c, Z = 8, lattice dimensions at -83 deg C: a = b = 1709.6(2), c = 982.4(1) pm, R = 0.0551. 1 has a polymeric chain structure in which the zinc atoms are #mu#_2-bridged via the oxygen atoms of one of the two acetato groups, while the second acetato group and the phosphanimine are bonded terminally. [Cu_5(O_2C-CH_3)_(10)(HNPEt_3)_2](2 . 4 CH_2Cl_2): Space group P2_1/c, Z = 8, lattice dimensions at -80 deg C: a = 1761.18(13), b = 4074.5(2), c = 1733.34(15) pm, #beta# = 91.383(10) deg, R = 0.0413.2 consists of the two structural units [Cu_2(O_2C-CH_3)_4] and [Cu_3(O_2C-CH_3)_6(HNPEt_3)_2], which are connected via two of the acetato groups of the Cu_3-unit along the crystallographic a-axis to form three crystallographically independent polymeric strands. [Cu(O_2C-CH_3)_2(HNPEt_3)_2] (3): Space group P2_1, Z = 2, lattice dimensions at 20 deg C: a = 695.49(8), b = 1217.85(10), c = 1380.05(7) pm, #beta# = 96.451(7) deg, R = 0.0291. 3 forms monomeric, centrosymmetric molecules with a square planar environment at the Cu atoms.
机译：在水存在于二氯甲烷中的情况下，标题化合物源自锌和铜（II）的无水乙酸盐与三甲基甲硅烷基-三乙基膦酰胺Me_3SiNPEt_3。它们分别形成无色（1），蓝绿色（2）和蓝色（3）的单晶，通过红外光谱和晶体结构分析对其进行表征。 [Zn（O_2C-CH_3）_2（HNPEt_3）]（1）：空间群P 42_1c，Z = 8，-83℃时的晶格尺寸：a = b = 1709.6（2），c = 982.4（1）pm， R ＝ 0.0551。图1具有聚合物链结构，其中锌原子通过两个乙酰基之一的氧原子被＃mu＃_2桥连，而第二乙酰基和膦酰胺的末端键合。 [Cu_5（O_2C-CH_3）_（10）（HNPEt_3）_2]（2.4 CH_2Cl_2）：空间群P2_1 / c，Z = 8，-80℃时的晶格尺寸：a = 1761.18（13），b = 4074.5（2），c = 1733.34（15）pm，＃beta＃= 91.383（10）度，R = 0.0413.2由两个结构单元[Cu_2（O_2C-CH_3）_4]和[Cu_3（O_2C-CH_3） ）_6（HNPEt_3）_2]，它们沿着结晶a轴通过Cu_3-单元的两个乙酰基相连，形成三个在结晶学上独立的聚合物链。 [Cu（O_2C-CH_3）_2（HNPEt_3）_2]（3）：空间群P2_1 / n，Z = 2，在20摄氏度时的晶格尺寸：a = 695.49（8），b = 1217.85（10），c = 1380.05（7）pm，＃beta＃= 96.451（7）度，R = 0.0291。 3形成在铜原子处具有正方形平面环境的单体中心对称分子。

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