Synthesis and Structural Analysis of the Diaquabis(ethylenediamine)nickel(II) Bis(p-toluenesulfonate) Monohydrate

Diaquabis(ethylenediamine)nickel(II) Bis(p-toluenesulfonate) Monohydrate 층상 화합물의 합성과 구조 분석

  • Kim, Chong-Hyeak (Chemical Analysis Laboratory, Korea Research Institute of Chemical Technology) ;
  • Lee, Sueg-Geun (Chemical Analysis Laboratory, Korea Research Institute of Chemical Technology)
  • Received : 2002.04.19
  • Published : 2002.06.25

Abstract

The layer structure of the title compound, $[Ni(en)_2(H_2O)_2](CH_3C_6H_4SO_3)_2(H_2O)$ (en = ethylenediamine), consists of discrete cations, anions, and solvate water molecules linked by a hydrogen bonding network. The central Ni atom of the cation layer has a slightly distorted octahedral coordination geometry with the ethylenediamine ligands functioning as a N,N'-bidentate and the water ligands bonding through oxygen in a trans arrangement. The p-toluenesulfonate of the anion layer has an alternate sulfonate group directed toward opposite side of the cation layer. This layer structure is stabilized by a hydrogen bond involving the O atoms of the sulfonate, the water ligand, solvate water molecule, and the N atoms of the ethylenediamine.

Keywords

nickel compound;p-toluenesulfonic acid;ethylenediamine;layered material;structure analysis

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