Concepts and Models of Inorganic Chemistry

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Concepts and Models of Inorganic Chemistry Third Edition Bodie E. Douglas Universily of Pittsburgh Darl H. McDaniel University of Cincinnati John J. Alexander University of Cincinnati John Wiley & Sons, Inc. New York Chichester Brisbane Toronto Singapore

Transcript of Concepts and Models of Inorganic Chemistry

Page 1: Concepts and Models of Inorganic Chemistry

Concepts and Models of Inorganic Chemistry

Third Edition

Bodie E. Douglas Universily of Pittsburgh

Darl H. McDaniel University of Cincinnati

John J. Alexander University of Cincinnati

John Wiley & Sons, Inc. New York Chichester Brisbane Toronto Singapore

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Contents

PART I Some Basic Concepts \

CHAPTER 1 Atomic Structure and the Periodic Table 3 1.1 Models in Chemistry 3

1.2 Historical Background 5

1.3 Atomic Structure and the Basis of the Periodic Table 8

1.4 Spectroscopic Terms and the Zeeman Effect; One-Electron Atoms 32

1.5 The Vector Model and Term Structure for Polyelectron Atoms 34

1.6 Ionization Energies 42

1.7 Electron Afflnities 46

1.8 Absolute Electronegativity and Absolute Hardness 47

General References 50

Problems 51

CHAPTER 2 Molecular Models 54 2.1 Review of Covalent Bonding 54

2.2 Valence Bond (Pauling-Slater) Theory 66

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2.3 Shapes of Molecules 72

2.4 Electronegativity 82

2.5 Radii of Atoms in Covalent Compounds 88

2.6 The Hydrogen Bond 92

2.7 Weak Interactions in Covalent Substances 99

General References 102

Problems 102

CHAPTER 3 Symmetry 105 3.1 Introduction 105

3.2 Symmetry Elements and Symmetry Operations 106

3.3 Introduction to Groups 114

3.4 Symmetry Point Groups 116

3.5 Class Structure, Representations, and Character Tables 127

3.6 Chemical Applications of Symmetry 138

3.7 Summary of Terminology and Notation from Symmetry and

Group Theory l 4 l

General References 144

Appendix 3.1 Matrix Representation of Transformation and

Matrix Multiplication 144

Appendix 3.2 The Direct Product of Representations 147

Problems 147

PART II Bonding and Structure 149

CHAPTER 4 Discrete Molecules: Molecular Orbitals 151 4.1 Diatomic Molecules 151

4.2 Linnett's Double Quartet 163

4.3 Triatomic Molecules 166

4.4 Xenon Difluoride 176

4.5 Boron Trifluoride—A Group Theoretical Treatment 177

4.6 Diborane 185

4.7 Cyclic-Planar IT Molecules 188

4.8 Basis Sets and Frontier Orbitals 193

General References 196

Problems 196

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CHAPTER 5 Inorganic Solids: lonic Models 198

5.1 Simple lonic Solids 199

5.2 Close Packing 204

5.3 lonic Struetures Based lipon Close-Packed Arrangements 206

5.4 Radius Katios f'or Stable Arrangements in lonic Crystals 211

5.5 Common Struetures of lonic Crystals 212

5.6 Notation for Struetures Based Upon Close Packing 220

5.7 lonic Kadii 221

5.8 Lattice Energy 224

5.9 Solubilities of lonic Substances 235

5.10 Giant Molecules 238

5.11 Struetures of Silicates 239

5.12 Crystal Struetures of Metals 246

General References 248

Problems 249

CHAPTER 6 Solid-State Chemistry 251 6.1 Crystal Structure 251

6.2 Defect Struetures 264

6.3 Electronic Structure of Solids 268

6.4 Graphite as a Two-Uimensional Solid 284

6.5 Metals. Insulators, and Semiconductors 292

6.6 Some Liniitations and Lxtensions of the Simple Band Theory 294

6.7 Superconductivity 295

6.8 Buckminsterfullerene 300

General References 303

Problems 304

PART III Chemical Reactions 307

CHAPTER 7 Acids and Bases 309 7.1 Models of Acids and Bases 309

7.2 Protonic Acids 313

7.3 Acid—Base Behavior of the Binary Oxides and Aqua Cations 326

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7.4 Nonprotonic Concepts of Acid-Base Reactions 333

7.5 The Drago-Wayland Equation 343

7.6 Solid Acids 346

General References 347

Problems 347

CHAPTER 8 Oxidation—Reduction Reactions 350

8.1 Conventions Covering Standard States 350

8.2 Methods of Determining Changes in Free Energy 352

8.3 Schematic Representation of Galvanic Cells 353

8.4 Conventions Regarding Cells 354

8.5 Calculations Using emf Data 356

8.6 Pourbaix (or Predominance Area) Diagrams 363

8.7 Geochemistry of Manganese 366

8.8 Periodic Trends among the Transition Elements 368

8.9 Some Redox Reactions of Nonmetals 370

8.10 Equilibrium Constants from emf Data 372

General References 373

Problems 373

PART IV Coordination Chemistry 377

CHAPTER 9 Models and Stereochemistry 379

9.1 Introduction 379

9.2 Analytical Applications 381

9.3 Brief Summarv of Nomenclature of Coordination Compounds 383

9.4 Stabilities of Coordination Compounds 384

9.5 Werner's Coordination Theory 390

9.6 Valence Bond Models 392

9.7 Simple Electrostatic Models of Bonding 398

9.8 The Ligand-Field Theory 401

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9.9 Isomerism of Coordination Compounds 411

9.10 Coordination Number Four 413

9.11 Coordination Number Six 415

9.12 Coordination Number Five 424

9.13 Lower Coordination Numbers 427

9.14 Higher Coordination Numbers 428

9.15 Stereochemically Nonrigid and Fluxional Molecules 432

General References 437

Problems 438

CHAPTER 10 Spectra and Bonding 441 10.1 Introduction 441

10.2 Ligand-Field Spectra of Octahedral Complexes 442

10.3 Complexes of Lower Symmetry 459

10.4 Charge Transfer Bands 463

10.5 Circular üichroism and Optica! Rotatory Dispersion 465

10.6 Pictorial Molecular-Orbital Description of Bonding 468

10.7 Effects of TT Bonding 471

10.8 Group Theoretical Treatment 472

10.9 Comparison of the Oifferent Approaches to Bonding in

Coordination Compounds 478

General References 478

Problems 479

CHAPTER 11 Reaction Mechanisms 482 11.1 The Kinetic Model 482

11.2 Introduction to Ligand Substitution Reactions 486

11.3 Octahedral Complexes: Ligand Substitution Reactions 487

11.4 Racemization Reactions 517

11.5 Square-Planar Complexes: Ligand Substitution Reactions 519

11.6 Catalysis of Substitution by Redox Processes 528

11.7 Redox Reactions 528

11.8 Photochemical Reactions 543

General References 549

Problems 549 )

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PART V Organometallic Chemistry 559

CHAPTER 12 General Principles 561 12.1 Introduction 562

12.2 Carbonyl Complexes 562

12.3 Bonding of Organic Ligands to Metals 577

12.4 Experimental Eviderice t'or Back-Üonation 597

12.5 Structural Characterization of Organometallic Compounds 603

12.6 The Isolobal Analogy 605

12.7 Dihydrogen Complexes 606

General References 609

Problems 609

CHAPTER 13 Survey of Organometallic Compounds 614 13.1 Some Chemistry of Olefin Complexes 614

13.2 Alkyne Complexes 615

13.3 Allyl Complexes 619

13.4 Butadiene Complexes 622

13.5 Cyclic TT Complexes 626

13.6 Compounds with Metal—Carbon a Bonds 635

13.7 Compounds with Multiple Metal-Carbon Bonds 646

General References 650

Problems 650

CHAPTER 14 Organometallic Reactions, Mechanisms, and Catalysis 653 14.1 Fundamental Reactions 653

14.2 Homogeneous Catalysis by Soluble Transition Metal Complexes 685

General References 697

Problems 697

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PART VI Selected Topics 703

CHAPTER 15 Chemistry and Periodic Trends among Metals 705

15.1 General Periodic Trends among Metals 705

15.2 Group 1 (IA)—The Alkali Metals 708

15.3 Group 2 (IIA)—The Alkaline Earth Metals 718

15.4 Group 11 (IB)— The Goinage Metals 724

15.5 Group 12 (IIB)—The Zinc Subgroup 729

15.6 Group .3 (IIIA)—The Scandium Family and Rare Earths 732

15.7 The Actinide Metals 737

15.8 Transition Metals, Groups 4 -7 (IVA-VIIA) 738

15.9 Groups 8, 9. and 10 (Group VIII) 747

15.10 Compounds Containing Metal-Metal Bonds 751

General References 757

Problems 757

CHAPTER 16 Chemistry of Some Nonmetals 760 16.1 General Periodic Trends for Nonmetals 760

16.2 Nitrogen and Phosphorus 761

16.3 Oxygen, Sulfur, and Selenium 773

16.4 The Halogens 789

16.5 The Noble Gases 807

General References 812

Problems 813

CHAPTER 17 Cluster and Cage Compounds 816

17.1 Introduction 816

17.2 The Bonding Problem in Boranes 819

17.3 Structures of the Boron Hydrides 823

17.4 Molecular Orbital Description of Bonding in Boron Hydrides 826

17.5 Heteroboranes 832

17.6 Chemistry of the Boranes 834

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17.7 Synthesis of Boron Hydrides 841

17.8 Carboranes 843

17.9 Some Chemistry of Group 13 847

17.10 Cluster Compounds 854

17.11 Electron-Precise Compounds and their Relation to Clusters 877

General References 879

Problems 880

CHAPTER 18 Bioinorganic Chemistry 888 18.1 Essential Elements 888

18.2 Oxygen Utilization 893

18.3 Supply and Storage of Iron 901

18.4 Oxidation—Reduction Processes 905

18.5 Metalloenzymes 910

18.6 Vitamin Bi2 919

18.7 Nitrogenase 922

18.8 Photosynthesis 924

18.9 Roles of Na+, K+, Mg2+, Ca2+, and Ion Pumps 926

General References 927

Problems 928

APPENDIX A Units AI

APPENDIX B Nomenclature of Inorganic Chemistry B-l

APPENDIX C Character Tables C-l

APPENDIX D Tanabe—Sugano Diagrams Dl

APPENDIX E Standard Half-Cell emf Data E l

INDEX i-i