05751nam 22007454a 450 991014501810332120230617010507.01-280-27095-097866102709580-470-30013-20-470-85845-10-470-85844-3(CKB)1000000000244151(EBL)470188(OCoLC)57598338(SSID)ssj0000156245(PQKBManifestationID)11159996(PQKBTitleCode)TC0000156245(PQKBWorkID)10123772(PQKB)10840000(MiAaPQ)EBC470188(Au-PeEL)EBL470188(CaPaEBR)ebr10114036(CaONFJC)MIL27095(EXLCZ)99100000000024415120040217d2004 uy 0engur|n|---|||||txtccrFluxional organometallic and coordination compounds[electronic resource] /edited by Marcel Gielen, Rudolph Willem, Bernd WrackmeyerHoboken, NJ J. Wileyc20041 online resource (343 p.)Physical organometallic chemistry ;v. 4Description based upon print version of record.0-470-85839-7 Includes bibliographical references and index.Fluxional Organometallic and Coordination Compounds; Contents; Contributors; Series Preface; Preface; 1 Polyhedral Dynamics and the Jahn-Teller Effect; 1 Introduction; 2 Polyhedron Topology; 3 Polyhedral Isomerizations: Microscopic Models; 3.1 Diamond-Square-Diamond Processes; 3.2 Gale Diagrams; 3.3 Generation of Metallaborane Structures by Diamond-Square-Diamond Transformations in Deltahedra; 4 Polyhedral Isomerizations: Macroscopic Models; 4.1 Topological Representations of Polyhedral Isomerizations; 4.2 Topological Representations of Jahn-Teller Distortions; 5 Acknowledgement; 6 References2 NMR Studies of Intramolecular Dynamics in Allylic Type Triorganoboranes1 Introduction; 2 Discovery Activation Parameters of [1,3]-B Shifts; 3 Fluxional Linear Polyunsaturated Allylboranes; 3.1 2,4-Pentadienyl(di-n-propyl)borane; 3.2 2,4,6-Heptatrienyl(di-n-propyl)borane; 4 Dynamic Behavior of Cyclic Allylboranes; 4.1 Dynamic Equilibria Between 2-(Dialkylboryl)methylenecyclobutanes and 1-(Dialkylboryl)cyclobutenes; 4.2 Dynamic Properties of Cyclopentadienyl and Pentamethylcyclopentadienyl Derivatives of Boron; 4.3 Synthesis and Dynamic Properties of 1-Indenyl(diethyl)borane4.4 Dynamic Behavior of Cycloheptadienyl(di-n-propyl)borane4.5 Synthesis and Dynamic Properties of Cycloheptatrienyl(di-n-propyl)borane. Equilibrium with 7-(Di-n-propylboryl)norcaradiene; 4.6 Three Independent Dynamic Processes in the Irontricarbonyl Complex of Cycloheptatrienyl(di-n-propyl)borane; 4.7 Cyclooctatetraenyl(di-n-propyl)borane; 4.8 Sigmatropic Migrations and Thermal Rearrangements in Cyclononatetraenyl(di-n-propyl)borane. Comparison with the Dynamic Properties of Cyclononatetraenyl(trimethyl)tin; 4.9 Borotropic Migrations in Phenalenyl(di-n-propyl)borane 245 Diverse Chemoselectivity of Cyclic Polyunsaturated Organoboranes5.1 Chemical Behavior of Borane 23; 5.2 Diverse Chemoselectivity of 9-Cyclopentyl-9-borabarbaralane 54e; 6 Conclusion; 7 References; 3 Dynamic Behavior of Group 5 and 6 Transition Metal Complexes with NMR; 1 Introduction; 2 Rotational Isomerism in Amido and Ketimido Complexes; 2.1 Rotational Isomerism in Oxofluoramido Complexes of Tungsten(VI); 2.2 Restricted M-NR(2) Rotation in the Dinuclear Complexes with M(2)(6+) Core (M = W, Mo)2.3 Features of Dynamic Behavior of Amido Cyclopentadienyl Complexes of Group 5 Transition Metals2.4 Internal Hindered Rotation of Ketimido Ligands; 3 Dynamic Behavior of d(0) Transition Metal Complexes with n-Donor Two-Center Ligands; 3.1 Isomerization of Fluorocomplexes of Group 5-6 with O, N-Two-Center Ligands; 3.2 Isomerism of Transition Metal Complexes with N, N-Two-center Ligands; 3.3 Nature of Bonding of n-Donor Two-center Ligands in d(0) Transition Metal Complexes; 3.4 Mechanism of Internal Hindered Rotation of h(2)-Bound Ligands; 4 Conclusion; 5 References4 Conformational Mobility in Chelated Square-planar Rh, Ir, Pd, and Pt ComplexesThis series offers leading contributions by well-known chemists reviewing the state of the art of this wide research area. Physical organometallic chemistry aims to develop new insights and to promote novel interest and investigations applicable to organometallic chemistry. This volume focuses on several important topics on fluxionality in organometallic and coordination chemistry, reviewed by experts in each of the respective fields. It is intended to provide both authoritative concepts and stimulating ideas in order to tackle dynamics from different angles, aiming at an interdisciplinary aPhysical organometallic chemistry ;v. 4.Coordination compoundsOrganometallic chemistryMolecular dynamicsNuclear magnetic resonance spectroscopyCoordination compounds.Organometallic chemistry.Molecular dynamics.Nuclear magnetic resonance spectroscopy.541/.2242Gielen M(Marcel),1938-867116Willem R(Rudolf)992885Wrackmeyer Bernd1947-992886MiAaPQMiAaPQMiAaPQBOOK9910145018103321Fluxional organometallic and coordination compounds2273607UNINA