Abstract
Examples of ring compounds in organic and inorganic chemistry are legion. Rings having more than three atoms and which are saturated generally possess a puckered ring structure with roughly tetrahedral bond angles, in accord with VSEPR considerations. The members of such rings are connected by σ bonds only and each member has in addition two lone pairs (e.g., S8), a lp and bp (e.g., c-(PPh)5), or two bp’s [e.g., c-C6H12]. The bonding in saturated systems can be qualitatively understood by treating each three-atom fragment as a bent triatomic molecule. An important class of ring molecules is that of planar species. Several members of this polygonal class are particularly interesting from a bonding point of view. We have already examined one example of such a molecule, namely, N3 +. We now address ourselves to ring systems with more than three members, which lie in the same plane only because of the presence of delocalized π bonding.
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© 1986 Springer-Verlag New York Inc.
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Verkade, J.G. (1986). Polygonal Molecules. In: A Pictorial Approach to Molecular Bonding. Springer, New York, NY. https://doi.org/10.1007/978-1-4684-0277-3_7
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DOI: https://doi.org/10.1007/978-1-4684-0277-3_7
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4684-0279-7
Online ISBN: 978-1-4684-0277-3
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