Crystallization method controlled trinuclear or ion-pair Manganese(III)-porphyrin-based heterobimetallic complexes: Synthesis,spectra characterization,and crystal structure |
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| Authors: | X Chen Z D Zhao P Wang D P Zhang |
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| Institution: | 1. College of Chemical Engineering, Shandong University of Technology, Zibo, 255049, P.R. China
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| Abstract: | Cyanide-bridged trinuclear heterometallic Ag(I)-Mn(III) complex {Mn(TClPP)(H2O)]2Ag(CN)2]}2 · 2Br · 2C3H6O · 3H2O (I) and ion-pair complex {Mn(TClPP)(CH3OH)2]Ag(CN)2]} · 0.5H2O (II) have been synthesized with Mn(TClTPP)(H2O)2]Br (H2TClTPP = meso-tetra(4-chlorophenyl)porphyrin) as assembling segment and KAg(CN)2] as building block by using different crystallization method. These two complexes have been characterized by elemental analysis, IR spectroscopy and X-ray structure determination. In the trinuclear complex I, Ag(CN)2]? as bidentate ligand coordinates with the two central Mn(III) atom of Mn(TClPP)(H2O)2]+ through its two trans cyanide groups to form the complex cation of Mn(TClPP)(H2O)]2Ag(CN)2]+, which further constructs the neutral complexes with the help of one Br? as balanced anion. For the ion-pair complex II composed by free Mn(TClPP)(CH3OH)2]+ cation and free Ag(CN)2]? anion, it can be linked into one-dimensional supramolecular structure with the dependence of the intermolecular O-H...N and O-H...O hydrogen bond interactions. |
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