Chemical Compounds

G. Pólya and R. C. Read
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R. C. Read: University of Waterloo, Department of Combinatorics and Optimization

Chapter Chapter 3 in Combinatorial Enumeration of Groups, Graphs, and Chemical Compounds, 1987, pp 58-74 from Springer

Abstract: Abstract The elements of a graph have their interpretation in chemistry, the vertices are atoms, the edges are bonds, the graph turns into a chemical (structural) formula. Conditions I and II in Sec. 29 become meaningful in chemical terms. Every edge terminating in two endpoints means that there are no free valences. The connectedness of a graph indicates that all atoms are tied together into a molecule. The number of edges ending in the same vertex corresponds to the valence of the atom: endpoints are atoms of valence one, vertices of degree k represent atoms of valence k.

Keywords: Alkyl Radical; Structural Formula; Permutation Group; Structural Isomer; Basic Compound (search for similar items in EconPapers)
Date: 1987
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DOI: 10.1007/978-1-4612-4664-0_4

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