JOSEPH CASANOVA, PhD, is Professor of Chemistry Emeritus at the California State University, Los Angeles, and a senior research fellow of the Loker Hydrocarbon Research Institute, University of Southern California.

• Foreword: The The Patternmaker xiNorman GreenwoodForeword: A Brief Overview xiiiWilliam N. LipscombPreface xviiJoseph CasanovaContributors xixPART I: PATTERNS OF STRUCTURE IN BORANES AND CARBORANES 11 Vertex Homogeneity: The "Hidden Hand" that Governs Electron-Deficient Borane, Carborane, and Carbocation Structures 3Robert Williams2 The Borane-Carborane Structural Pattern: Some Correlations and Implications 57Mark A.Fox and Kenneth Wade3 Disobedient Skeletons 85John D. Kennedy4 Seco-Systematization of Boranes and Heteroboranes 117Stanislav HermánekPART II: THE CARBORANE-CARBOCATION CONTINUUM 1295 Boron Superelectrophiles and Their Carbocation Analogs 131George A. Olah6 Extension of the Borane-Carbocation Continuum to Cage Systems 147G.K. Surya Prakash, Golam Rasul. Andrei K. Yudin, and Robert E. Williams7 Are Polyhedral Boranes, Carboranes, and Carbocations Aromatic? 169Paul von Rague Schleyer and Katayoun Najafian8 Electron Deficient Compounds and Theory Deficient People 191Robert W. ParryPART III: UNTANGLING MOLECULAR STRUCTURES 2159 Computational Studies of Nido-C4B7H11 Carboranes and Nido-8-Vertex Boranes and Carboranes 217Joseph W. Bausch and A.J. Tebben10 Applications of IGLO/GIAO NMR Computations to Carborane Systems: Products of Trimethylamine/Closo-Carborane Reactions; Carborane 13C Chemical Shifts 247Thomas Onak11 Mechanistic Patterns in Carborane Reactions as Revealed by ab initio Calculations 259Michael L. McKee12 Reactions of Unsaturated Hydrocarbons with Small Boranes: New Insights and Recent Advances 289Robert Greatrex and Mark A. Fox13 Recent Advances in Metallacarborane Sandwich Chemistry: Controlled Linking, Stacking, and Cool Fusion 307Russell N. GrimesPART IV: NEW SPECIEIS OF BORANES AND CARBORANES 33114 Isoelectronic Borane and Hydrocarbon Metal Complexes 333Thomas P. Fehlner15 Cyclic Organohydroborate Anions: Hydride Transfer Reactions in the Reduction of Metal Carbonyls and Organic Functional Groups; Reactions with Zirconocene and Hafnocene Dichlorides 351Sheldon G. Shore, Glenn T. Jordan IV, JianPing Liu, Fu-Chen Liu, Edward A. Meyers, Paul L. Gaus16 Importance of 11B-1H Coupling Constants in Assigning the 11B Signals 367Stanislav Hermánek, Jan Machacek, Jin Fusek, and Vratislav Blechta17 Closo-and Nido-Clusters with a B4 or NB3 Skeleton 381Peter Paetzold18 New Prespectives in the Chemistry of C2B4- and C4B8-Carboranes 397Narayan S. Hosmane and John A. MaguireIndex 425