Analytical Science and Technology (분석과학)

The Korean Society of Analytical Sciences (한국분석과학회)
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X-ray crystal structure of two-dimensional bimetallic host clathrate with 2-aminoethanol, [Cd{NH2CH2CH2OH}2Ni(CN)4]·3C6H5NH2·H2O

  • Kim, Chong-Hyeak (Center for Chemical Analysis, Korea Research Institute of Chemical Technology) ;
  • Moon, Hyoung-Sil (Center for Chemical Analysis, Korea Research Institute of Chemical Technology) ;
  • Lee, Sueg-Geun (Center for Chemical Analysis, Korea Research Institute of Chemical Technology)
  • Received : 2008.10.09
  • Accepted : 2008.11.03
  • Published : 2008.12.25
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Abstract

A novel two-dimensional cadmium(II)-nickel(II) bimetallic host clathrate, $[Cd{NH_2CH_2CH_2OH}_2Ni(CN)_4]{\cdot}3C_6H_5NH_2{\cdot}H_2O$, 1, has been synthesized and structurally characterized by X-ray single crystallographic method. The clathrate 1 crystallizes in the monoclinic system, space group $P2_1/c$ with a = 14.370(3), b = 7.728(1), c = 28.172(4) ${\AA}$, ${\beta}=97.58(1)^{\circ}$, V = 3101.1(9) ${\AA}^3$, Z = 4. The host framework of the clathrate 1 is built of the cyanide bridges between octahedral Cd(II) atom and square planar Ni(II) atom. The octahedral Cd atoms ligated by two 2-aminoethanol molecules and four cyanide ligands bridged with square planar Ni atoms. The Ni atoms bridges to four Cd atoms via cyanides is made up of puckered quadrangles of composition $\{CdNi(CN)_2\}_2$, all edges are shared. This cyanide bridges form an infinite two-dimensional host networks stacking along b axis. 2-Aminoethanol ligands bond to Cd atom through N atom as a monodentate ligand in the axial position and four cyanides take an equatorial plane with all in trans-configurations. The aniline guest molecules and water molecules are located in between the host layer sheets, respectively.

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References

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