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Journal of Crystal and Molecular Structure

, Volume 6, Issue 1, pp 1–12 | Cite as

Structural studies of Mo(VI) coordination chemistry crystal and molecular structure of ammonium [cis-dioxo(uramil-N,N-diacetato) molybdate(VI)] monohydrate

  • Ray J. Butcher
  • B. R. Penfold
Article

Abstract

The crystal structure of ammonium [cis-dioxo(uramil-N, N-diacetato) molybdate(VI] monohydrate, C8H12MoN4O10, has been determined. The crystals are monoclinic: space groupP21/c,a = 6.744(3),b = 18.07(1),c = 11.500(9) Å, β = 102.01(5) °,Z = 4. X-ray data were collected by counter methods using MoKα radiation, and least-squares refinement led toR = 0.048 for the 1601 independent reflections for which ¦F0 ¦2 > 3σ(¦Fα¦2). The anion contains acis-dioxo metal system while the ligand coordinates as a tetradentate through the nitrogen and two oxygen atoms of theN-diacetate group and a carbonyl oxygen atom of the uramil skeleton. Metal ligand bondstrans to the terminal oxygen atoms are significantly lengthened. The pyrimidine ring of the ligand having lost a proton from the C5 atom is planar and is also coplanar with the metal dioxo group.

Keywords

Oxygen Atom Pyrimidine Molybdate Monohydrate Coordination Chemistry 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1976

Authors and Affiliations

  • Ray J. Butcher
    • 1
  • B. R. Penfold
    • 1
  1. 1.Chemistry DepartmentUniversity of CanterburyChristchurchNew Zealand

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