Cadmium(II) Chloride Adduct with an Olefinic Double Betaine: catena-Poly[tetraaquadiethanoltris[dichlorocadmium(II)] cis-bis(4-dimethylamino-1-pyridinio)butenedioate hydrate]

The structure of a cadmium(II) chloride adduct with an olefinic double betaine, {systematic name: catena-poly[[(diaquacadmium)-di-μ-chloro-(diethanolcadmium)-di-μ-chloro-(diaquacadmium)-di-μ-chloro] cis-bis(4-di-methylamino-1-pyridinio)butenedioate monohydrate]}, [(CdCl₂)₃(C₂H₆O)₂(H₂O)₄]_n.n(C₁₈H₂₀N₄O₄).nH₂O, is based on an infinite zigzag chain consisting of a series of corner-sharing (CdCl₂) quadrilaterals with aqua or ethanol ligands around each Cd^II atom in a CdCl₄O₂ octahedral environment. The olefinic double betaine has no association with the metal atoms, being bound to the aqua and ethanol ligands in the chain and the lattice water molecule by hydrogen bonding.

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