Abstract
IT has recently been found that in addition to the crystal form which consists of ribbons of PtCl2 units, each chlorine being shared by two platinum atoms1, PtCl2 crystallizes in a form2 containing Pt6Cl12 molecules which are iso-structural with the Ta6Cl122+ cation3. However, these iso-structural species are not isoelectronic, the cation effectively having forty valence electrons4 and the platinum compound seventy-two. In both cases each chloride anion is assumed to contribute two ‘σ’ electrons only; the four ‘π’ electrons may, in general, be neglected and assumed non-bonding5. The bonding within the Ta6Cl122+ cation has recently been described in terms of a topological-equivalent-orbital approach4 and it is the purpose of this communication to extend the treatment to the isostructural platinum compound.
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References
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Kettle, S. F. A. (unpublished results).
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KETTLE, S. Electronic Structure of the Pt6Cl12 Molecule. Nature 209, 1021 (1966). https://doi.org/10.1038/2091021a0
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DOI: https://doi.org/10.1038/2091021a0
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