Preparation and Crystal Structure of Zinc Bis[orotate(l-)] Octahydrate

Otto Kumberger, Jürgen Riede, Hubert Schmidbaur

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A discrete zinc bis[orotate(l-)] complex of the composition Zn(OrH)2·8H2O has been isolated and characterized by a single-crystal X-ray structure analysis. The crystals are monoclinic, space group P21/c (No. 14), Z = 2, a = 10.884(2), b = 12.896(1), c = 6.954(1) Å, β = 98.27(1)°. The crystal lattice features hexaquo complexes of zinc, the Zn(H2O)6 2+ cations being associated with two hydrated OrH-ions only through hydrogen bonds. The results are relevant for applications of zinc orotates in medical treatment.

Original languageEnglish
Pages (from-to)961-964
Number of pages4
JournalZeitschrift fur Naturforschung - Section B Journal of Chemical Sciences
Issue number7
StatePublished - 1 Jul 1993
Externally publishedYes


  • Hydrogen Bonding
  • Metal Orotates
  • Orotic Acid
  • X-Ray


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