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首页> 外文期刊>Crystal growth & design >Ag(I) complexes containing N-phenyl-N '-cyano-formamidine: Syntheses, structures, and ligand conformations
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Ag(I) complexes containing N-phenyl-N '-cyano-formamidine: Syntheses, structures, and ligand conformations

机译:含N-苯基-N'-氰基-甲am的Ag(I)配合物:合成,结构和配体构象

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摘要

The reactions of the unsymmetrical ligand N-phenyl-N'-cyano-formarnicline (L) with AgX (X = NO3-, SO3CF3-, and BF4-) afforded the complexes [AgL3NO3] (1), [AgLSO3CF3](infinity) (2) and [AgLBF4](infinity) (3), whereas the reactions of L with AgClO4 in tetrahydrofuran at room temperature and at refluxing temperature afforded two supramolecular isomers of [AgLClO4](infinity) (4) and (5), respectively. These complexes were characterized by X-ray crystallography, which confirmed that complexes 2-5 are coordination polymers. Complex 1 is a triangular planar molecule with three L's coordinating to the Ag(I) metal center through the cyano nitrogen atoms. While the cations of complexes 2-4 form one-dimensional zigzag chains, those of 5 show helical chains that are interlinked through eta(3) pi-donor behavior of the unsymmetrical ligand L to form two-dimensional polymeric sheets. The L ligands in complex 1 adopt the syn conformation, and those in 2-5 adopt the anti conformation.
机译:非对称配体N-苯基-N'-氰基-甲萘啉(L)与AgX(X = NO3-,SO3CF3-和BF4-)的反应提供了配合物[AgL3NO3](1),[AgLSO3CF3](无穷大) (2)和[AgLBF4](无穷大)(3),而L与AgClO4在四氢呋喃中在室温和回流温度下的反应分别得到[AgLClO4](无穷大)的两个超分子异构体(4)和(5)。 。这些配合物通过X射线晶体学表征,证实了配合物2-5是配位聚合物。配合物1是一个三角形的平面分子,其中三个L通过氰基氮原子与Ag(I)金属中心配位。配合物2-4的阳离子形成一维之字形链,而5的阳离子则显示通过非对称配体L的eta(3)π供体行为相互连接以形成二维聚合物片的螺旋链。配合物1中的L配体采用顺式构象,而化合物2-5中的L配体采用反式构象。

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