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Polymeric and mixed carboxylate compounds: Crystal structures of [Zn(tiglate)2]x and [Zn2(tiglate)3(crotonate)]x

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Abstract

The crystal structures of [Zn(O2CC(CH3)CHCH3)2]x and [Zn2(O2CC(CH3)CHCH3)3-(O2CCHCHCH3)]x have been determined by single crystal X-ray diffraction. Both structures consist of chain polymers, in which pairs of zinc atoms are bridged alternately by three syn-syn carboxylates and by one syn-anti carboxylate. In the mixed carboxylate structure, the crotonate takes up preferentially the syn-anti bridge position. Vibrational and elemental analysis data indicate that the spontaneous solid-state reaction of zinc tiglate in air, accelerated for the tiglate and observable also for the mixed carboxylate compound by γ-ray or X-ray irradiation, gives an oxocentered tetranuclear complex [Zn4O(O2CR)6] rather than a polymerization through cross-linking of the unsaturated carboxylates.

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Authors and Affiliations

  1. Department of Chemistry, University of Newcastle Upon Tyne, NE1 7RU, Newcastle upon Tyne

    William Clegg, Jonathan T. Cressey, Dale R. Harbron & Brian P. Straughan

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  1. William Clegg
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  2. Jonathan T. Cressey
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  3. Dale R. Harbron
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  4. Brian P. Straughan
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Clegg, W., Cressey, J.T., Harbron, D.R. et al. Polymeric and mixed carboxylate compounds: Crystal structures of [Zn(tiglate)2]x and [Zn2(tiglate)3(crotonate)]x . J Chem Crystallogr 24, 211–217 (1994). https://doi.org/10.1007/BF01672412

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  • DOI: https://doi.org/10.1007/BF01672412

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