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Crystal-Molecular Structure and Magnetic Properties of Cr3 (CH3.COO)6 O Cl.5H2O

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Abstract

As part of a programme concerning magnetic exchange interaction in relatively small molecules we have largely completed an X-ray diffraction investigation of the crystal structure of Cr3 (CH3.COO)6 O Cl.5H2O. Compounds of this type have long been thought to be trimeric and have previously been formulated as M3 (CH3.COO)6 (OH)2 Cl.8H2O (ref. 1). We have investigated both the chromium (M =CrIII) and iron (M = FeIII) complexes and find that they are isostructural, and that the cation is trimeric and of a form suggested earlier2. We conclude, however, that for these compounds (M = CrIII or FeIII) the correct formulation is M3 (CH3,COO)6 O Cl.5H2O.

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Author notes

  1. B. N. FIGGIS

    Present address: Department of Chemistry, University of Western Australia, Nedlands, Western Australia

  2. G. B. ROBERTSON

    Present address: Department of Chemistry, University of Sheffield,

Authors and Affiliations

  1. William Ramsay and Ralph Forster Laboratories, University College, London,

    B. N. FIGGIS & G. B. ROBERTSON

Authors
  1. B. N. FIGGIS
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  2. G. B. ROBERTSON
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FIGGIS, B., ROBERTSON, G. Crystal-Molecular Structure and Magnetic Properties of Cr3 (CH3.COO)6 O Cl.5H2O. Nature 205, 694–695 (1965). https://doi.org/10.1038/205694a0

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