Acta Cryst. (2003). E59, m568-m570  [ doi:10.1107/S1600536803014624 ]

An aquacadmium(II) complex of 1,10-phenanthroline with a fumarate counter-ion

J. Yang, J.-F. Ma, L. Li and J.-F. Liu

Abstract: In the title compound, diaquabis(1,10-phenanthroline-²N,N')cadmium(II) fumarate tetrahydrate, [Cd(phen)₂(H₂O)₂]L·4H₂O where phen is 1,10-phenanthroline (C₁₂H₈N₂) and L^2- is the fumarate anion (C₄H₂O₄^2-), the cadmium(II) cation is six-coordinated by two water molecules and four N atoms derived from two phen molecules. Each of the two independent L^2- anions is located about an inversion centre and they do not coordinate to cadmium(II), acting rather as counter-ions. The water molecules and L^2- anions are linked through a complex hydrogen-bonding network to form a three-dimensional structure.

Online 10 July 2003

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