Main-group clusters coordination compounds

While many compounds of the type X As(ER3)3 (n =0-2 X = any other group, e.g. H, Hal, R etc. R = H, alkyl, aryl E = Ge,263 Sn, 64 Pb265) have been produced, they are mainly of interest to theoreticians and synthesists. They have the expected pyramidal geometry of AsX3 compounds, and their interest to coordination chemists lies in their behaviour as ligands, which is dealt with elsewhere (Chapter 12.2) there is some special interest in cluster coordination compounds involving As—Ge bonding,... 

Cluster Compounds Inorganometalhc Compounds Containing Transition Metal Main Group Elements Coordination Numbers Geometries Electronic Structure of Main-group Compounds Lead Organometallic Chemistry Mixed Valence Compounds Tin Inorganic Chemistry. 

Derivatives of the boranes include not only simple substituted compounds in which H has been replaced by halogen, OH, alkyl or aryl groups, etc., but also the much more diverse and numerous class of compounds in which one or more B atom in the cluster is replaced by another main-group element such as C, P or S, or by a wide range of metal atoms or coordinated metal groups. These will be considered in later sections. 

Bonding Energetics of Organometallic Compounds Coordination Organometallic Chemistry Principles Electronic Stmcture of Main-group Compounds Electronic Stmcture of Organometallic Compounds Electronic Stmcture of Solids Electronic Stmcture of Clusters Eigand Field Theory Spectra. 

Coordination Organometalhc Chemistry Principles Electronic Structure of Main-group Compounds Electronic Structure of OrganometaUic Compounds Electronic Structure of Clusters Ligand Field Theory Spectra Molecular Orbital Theory Symmetry Point Groups. 

There are other examples of Group 1 ions involved in other main-group systems, many of which are organometallic species and outside the scope of this chapter. There are also compounds in which an. s-block ion serves as both a linker in a coordination polymer and as an integral part of a metal aggregate, such as the [K(18-crown-6)]3KSn9 cluster (see Figure 5)." ... 

Cluster Compounds Inorganometallic Compounds Containing Transition Metal Main Group Elements Copper Inorganic Coordination Chemistry DinuclearOrganometaT lic Cluster Complexes Polynuclear Organometallic Cluster Complexes Silver Inorganic Coordination Chemistry. 

---