Abstract
ALTHOUGH the number of atomic species with co-ordination number eight is not large, little is known about the structure of eight-co-ordinated complexes. Up to now only two of five possible polyhedra have been established for this co-ordination, namely, a trigonal dodecahedron and an Archimedean square antiprism1, while cube, triangular face-centred and rectangular face-centred trigonal prisms have not yet been observed. These polyhedra were proposed on the basis of quantum-mechanical calculations on the form of hybrid bond orbitals.
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References
O'Brien, Th. D., in “The Chemistry of the Coordination Compounds”, edit. by J. C. Bailar, jun., 394 (Reinhold, New York, 1956).
Katz, J. J., and Seaborg, G. T., “The Chemistry of the Actinide Elements”, 463 (Methuen, London, 1957).
Grdenić, D., and Matković, B., Croat. Chem. Acta, 30, 95 (1958).
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GRDENIĆ, D., MATKOVIĆ, B. Co-ordination in Thorium-IV Acetylacetonate. Nature 182, 465–466 (1958). https://doi.org/10.1038/182465a0
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DOI: https://doi.org/10.1038/182465a0
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