Synthesis and characterization of platinum(II) and (IV) complexes containing Hexamethyleneimine (cas 111-49-9) ligand: crystal structure of [PtII(Hexamethyleneimine (cas 111-49-9))2(cyclobutanedicarboxylato)]·H2O

Add time:08/22/2019    Source:sciencedirect.com

A series of new platinum(II) and platinum(IV) complexes of the type [PtII(HMI)2X] (where HMI=Hexamethyleneimine (cas 111-49-9), X=dichloro, sulfato, 1,1-cyclobutanedicarboxylato [CBDCA], oxalato, methylmalonato, or tatronato) and [PtIV(HMI)2Y2Cl2] (where Y=hydroxo, acetato, or chloro) were synthesized and characterized by infrared (IR) spectroscopy, 13C and 195Pt nuclear magnetic resonance (NMR) spectroscopy and elemental analysis. Among the complexes synthesized, [PtII(hexamethyleneimine)2(1,1-cyclobutanedicarboxylato)]·H2O was examined by single-crystal X-ray diffraction. The slightly distorted square planar coordination environment of the platinum metal includes the amino group of the hexamethyleneimine (HMI) molecule and the oxygen atoms of the carboxylato ligand. The cyclobutanedicarboxylic acid (CBDCA) molecule adopts six-member chelating rings with platinum. Hydrogen bonding plays an important part in holding the crystal lattice together.

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