Synthesis, Characterization, Luminescent Properties, And Crystal Structure Determination Of a New Platinium (IV) Complexe : trans-[Pt(4-mpy)2Cl4]

Document Type : Original Article

Authors

1 Department of Chemistry, Faculty of Valiasr, Tehran Branch, Technical and Vocational University (TVU), Tehran, Iran

2 Department of Chemistry, Farhangian University, Tehran, Iran

Abstract

The new trans-[Pt(4-mpy)2Cl4] (1) complex (4-mpy is 4-methylpyridine) was prepared from the reaction of H2PtCl6.6H2O with 4-methylpyridine in methanol. Synthesized complex was thoroughly characterized by elemental analysis, IR and 1H-NMR spectroscopy.Elemental analysis data (C, H, N) support the general composition of the title complex and the structure have been established by single-crystal X-ray diffraction study. In this complex the geometry platinum(IV)cation is octahedral, formed by two nitrogen atoms from two 4-mpy ligands and four chloride anions. Also, in this complex the strong π…π interactions between pyridine rings are effective on the stabilization of the crystal packing. Furthermore, the luminescence properties of the free 4-mpy ligand as well as the complex 1were investigated in solution. Luminescence emission of complex 1 was red shifted and is weaker than that of the free 4-mpy ligand.

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References

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Applied Chemistry Today
Volume 14, Issue 53
December 2019
Pages 79-84

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