Download e-book for kindle: Applications of Graph Theory and Topology in Inorganic by R. Bruce King

By R. Bruce King

ISBN-10: 0849342988

ISBN-13: 9780849342981

Functions of Graph conception and Topology in Inorganic Cluster and Coordination Chemistry is a text-reference that gives inorganic chemists with a rudimentary wisdom of topology, graph concept, and similar mathematical disciplines. The ebook emphasizes the appliance of those subject matters to steel clusters and coordination compounds.

The book's preliminary chapters current heritage info in topology, graph concept, and staff concept, explaining how those issues relate to the homes of atomic orbitals and are utilized to coordination polyhedra. next chapters observe those rules to the constitution and chemical bonding in various kinds of inorganic compounds, together with boron cages, steel clusters, strong kingdom fabrics, steel oxide derivatives, superconductors, icosahedral levels, and carbon cages (fullerenes). The book's ultimate bankruptcy introduces the appliance of topology and graph thought for learning the dynamics of rearrangements in coordination and cluster polyhedra.

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Additional info for Applications of Graph Theory and Topology in Inorganic Cluster and Coordination Chemistry

Example text

B. King, J. Math. , 2, 89, 1988. 1 8 R. B. King in New Developments in Molecular Chirality, P. G. , Kluwer Academic Publishers, 1991, 13*. 16 17 Applications of Graph Theory and Topology 34 containing all n sites is eliminated by a process called polarization, in which the halfspace above the unique molecular plane is conceptually regarded as positive and the corresponding halfspace below the unique molecular plane is conceptually regarded as negative. The simplest example of such a polarization process involves the conversion of a planar polygon framework group Dnh[nC2(L)] into a framework group of the type Cnv[V2nov(L2)] for even n or Cnv[now(L2)] for odd n.

Biggs, Finite Groups o f Automorphisms, Cambridge University Press, London, 1971. 6 28 Applications of Graph Theory and Topology obviously the highest symmetry permutation group of degree n. All permutation groups of degree n must be a subgroup of the corresponding symmetric group Pn. Let us now consider the permutation group structure of the permutations of ligands attached to a polyhedral skeleton, such as in a metal complex of the stoichiometry MLnJ A permutation Pnof n objects can be described by a 2 x n matrix of the general type (2-4) In the example of interest, the top row represents polyhedral vertex labels, and the bottom row represents ligand labels.

The transitive groups of degrees up to 11 have been tabulated and their properties are given in detail. 13 All of the transitive permutation groups of degree < 7 are listed in Table 2-3. The following points about Table 2-3 are of interest: 1. In the groups C„, the order is the same as the number of classes; therefore, these groups are Abelian. 2. The groups C 3, C4, A4 = T, C5, A 5 = I, and A 6 contain only even operations. 3. The group M 5 is a m etacyclic group of degree 5. For prime n, metacyclic groups of order n(n + 1) are the largest permutation groups of degree n which is a soluble group.

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Applications of Graph Theory and Topology in Inorganic Cluster and Coordination Chemistry by R. Bruce King

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