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Experimental and Theoretical Approaches to Actinide Chemistry


Experimental and Theoretical Approaches to Actinide Chemistry


1. Aufl.

von: John K. Gibson, Wibe A. de Jong

168,99 €

Verlag: Wiley
Format: EPUB
Veröffentl.: 08.01.2018
ISBN/EAN: 9781119115540
Sprache: englisch
Anzahl Seiten: 520

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Beschreibungen

<p><b>A review of contemporary actinide research that focuses on new advances in experiment and theory, and the interplay between these two realms</b></p> <p><i>Experimental and Theoretical Approaches to Actinide Chemistry </i>offers a comprehensive review of the key aspects of actinide research. Written by noted experts in the field, the text includes information on new advances in experiment and theory and reveals the interplay between these two realms. The authors offer a multidisciplinary and multimodal approach to the nature of actinide chemistry, and explore the interplay between multiple experiments and theory, as well as between basic and applied actinide chemistry.</p> <p>The text covers the basic science used in contemporary studies of the actinide systems, from basic synthesis to state-of-the-art spectroscopic and computational techniques. The authors provide contemporary overviews of each topic area presented and describe the current and anticipated experimental approaches for the field, as well as the current and future computational chemistry and materials techniques. In addition, the authors explore the combination of experiment and theory. This important resource:</p> <ul> <li>Provides an essential resource the reviews the key aspects of contemporary actinide research</li> <li>Includes information on new advances in experiment and theory, and the interplay between the two</li> <li>Covers the basic science used in contemporary studies of the actinide systems, from basic synthesis to state-of-the-art spectroscopic and computational techniques</li> <li>Focuses on the interplay between multiple experiments and theory, as well as between basic and applied actinide chemistry</li> </ul> <p>Written for academics, students, professionals and researchers, this vital text contains a thorough review of the key aspects of actinide research and explores the most recent advances in experiment and theory.</p>
<p>List of Contributors xi</p> <p>Preface xiii</p> <p><b>1 Probing Actinide Bonds in the Gas Phase: Theory and Spectroscopy 1<br /></b><i>Michael C. Heaven and Kirk A. Peterson</i></p> <p>1.1 Introduction 1</p> <p>1.2 Techniques for Obtaining Actinide?]Containing Molecules in the Gas Phase 2</p> <p>1.3 Techniques for Spectroscopic Characterization of Gas?]Phase Actinide Compounds 5</p> <p>1.3.1 Conventional Absorption and Emission Spectroscopy 5</p> <p>1.3.2 Photoelectron Spectroscopy 6</p> <p>1.3.3 Velocity Modulation and Frequency Comb Spectroscopy 6</p> <p>1.3.4 LIF Spectroscopy 7</p> <p>1.3.5 Two?]Photon Excitation Techniques 12</p> <p>1.3.6 Anion Photodetachment Spectroscopy 15</p> <p>1.3.7 Action Spectroscopy 17</p> <p>1.3.8 Bond Energies and Reactivities from Mass Spectrometry 20</p> <p>1.4 Considerations for Characterizing Actinide?]Containing Molecules in the Gas Phase by Ab Initio Methods 23</p> <p>1.4.1 Electron Correlation Methods 24</p> <p>1.4.2 Relativistic Effects 27</p> <p>1.4.3 Basis Sets 29</p> <p>1.5 Computational Strategies for Accurate Thermodynamics of Gas?]Phase Actinide Molecules 30</p> <p>1.6 Ab Initio Molecular Spectroscopy of Gas?]Phase Actinide Compounds 34</p> <p>1.6.1 Pure Rotational and Ro?]Vibrational Spectroscopy 34</p> <p>1.6.2 Electronic Spectroscopy 37</p> <p>1.7 Summary and Outlook 38</p> <p>Acknowledgments 39</p> <p>References 39</p> <p><b>2 Speciation of Actinide Complexes, Clusters, and Nanostructures in Solution 53<br /></b><i>Rami J. Batrice, Jennifer N. Wacker, and Karah E. Knope</i></p> <p>2.1 Introduction 53</p> <p>2.2 Potentiometry 54</p> <p>2.2.1 Potentiometric Titrations to Reveal Speciation 54</p> <p>2.2.2 Overview of Potentiometry in Aqueous Actinide Chemistry 59</p> <p>2.3 Optical Spectroscopy 60</p> <p>2.3.1 UV?]vis?]NIR Spectroscopy in Actinide Speciation 60</p> <p>2.3.2 Fluorescence Spectroscopy 63</p> <p>2.3.3 Overview of Optical Spectroscopy in Aqueous Actinide Speciation 68</p> <p>2.4 NMR Spectroscopy 69</p> <p>2.4.1 Probing Chemical Equilibria by NMR 69</p> <p>2.4.2 Monitoring Product Formation/Evolution by NMR Spectroscopy 74</p> <p>2.4.3 Monitoring Actinide Self?]Assembly by NMR Spectroscopy 75</p> <p>2.4.4 Following Cluster Stability in Solution by NMR Spectroscopy 76</p> <p>2.4.5 Overview of NMR Spectroscopy in Aqueous Actinide Chemistry 82</p> <p>2.5 Raman Spectroscopy 82</p> <p>2.5.1 Cluster Formation and Assembly 83</p> <p>2.5.2 Spectral Deconvolution of Raman Data to Yield Speciation 85</p> <p>2.5.3 Identifying the Nature of Cation–Cation Interactions in Solution 86</p> <p>2.5.4 In the Absence of an “yl”: Pa(V) Speciation in HF Solutions 89</p> <p>2.5.5 Computational Assignment of Vibrational Spectra 92</p> <p>2.5.6 Overview of Raman Spectroscopy 92</p> <p>2.6 X?] ray Absorption Spectroscopy 93</p> <p>2.6.1 EXAFS 94</p> <p>2.6.2 Actinide Solution Speciation by EXAFS 95</p> <p>2.6.3 EXAFS Structural Comparison of Complexes with Varying Oxidation States and Geometries 99</p> <p>2.6.4 Overview of EXAFS 101</p> <p>2.7 Small?] Angle X?]ray Scattering (SAXS) 102</p> <p>2.7.1 Structure Elucidation by SAXS 102</p> <p>2.7.2 SAXS Analysis of Cluster Evolution 104</p> <p>2.7.3 Understanding Self?]Assembly Processes by SAXS 107</p> <p>2.7.4 Overview of SAXS 110</p> <p>2.8 High?] Energy X?]ray Scattering (HEXS) 110</p> <p>2.8.1 Determining Coordination Number and Environment about a Metal Center 111</p> <p>2.8.2 Deducing Metal–Ligand Coordination Modes 113</p> <p>2.8.3 Following Oligomer Formation and Stability 116</p> <p>2.8.4 Overview of HEXS 117</p> <p>References 118</p> <p><b>3 Complex Inorganic Actinide Materials 128<br /></b><i>Matthew L. Marsh and Thomas E. Albrecht?]Schmitt</i></p> <p>3.1 Introduction 128</p> <p>3.2 Fluorides 129</p> <p>3.2.1 Trivalent and Tetravalent Fluorides 129</p> <p>3.2.2 Pentavalent and Hexavalent Fluorides 131</p> <p>3.2.3 Fluoride Architectures 132</p> <p>3.3 Borates 137</p> <p>3.3.1 Functionalized Borates 138</p> <p>3.3.2 Transuranic Borates 141</p> <p>3.4 Sulfates 154</p> <p>3.4.1 Thorium and Uranium 154</p> <p>3.4.2 Transuranic Frameworks 162</p> <p>3.5 Phosphates 167</p> <p>3.6 Conclusion 176</p> <p>References 176</p> <p><b>4 Organometallic Actinide Complexes with Novel Oxidation States and Ligand Types 181<br /></b><i>Trevor W. Hayton and Nikolas Kaltsoyannis</i></p> <p>4.1 Introduction 181</p> <p>4.2 Overview of Actinide Organometallic Chemistry 181</p> <p>4.2.1 Overview of Thorium Organometallics 183</p> <p>4.2.2 Overview of Uranium Organometallics 184</p> <p>4.2.3 Overview of Transuranium Organometallics 184</p> <p>4.3 Overview of Theoretical Methods 184</p> <p>4.4 New Theoretical and Experimental Tools for Evaluating Covalency in the 5f Series 186</p> <p>4.4.1 The Quantum Theory of Atoms?]in?]Molecules 186</p> <p>4.4.2 Ligand K?]edge X?]ray Absorption Spectroscopy 187</p> <p>4.4.3 Optical Spectroscopy 189</p> <p>4.4.4 Nuclear Magnetic Resonance (NMR) Spectroscopy 191</p> <p>4.4.5 Electrochemistry 192</p> <p>4.5 Notable Discoveries in Actinide?]Carbon Chemistry 194</p> <p>4.5.1 An(II) Complexes 195</p> <p>4.5.2 π?]Acceptor Ligand Complexes 195</p> <p>4.5.3 (Inverted) Arene Sandwich Complexes 198</p> <p>4.5.4 Phosphorano?]Stabilized Carbene Complexes 199</p> <p>4.5.5 Homoleptic Alkyl and Aryl Complexes 201</p> <p>4.6 Single and Multiple Bonding between Uranium and Group 15 Elements 202</p> <p>4.7 Complexes with Group 16 Donor Ligands 206</p> <p>4.7.1 Terminal Mono?]oxo Complexes 206</p> <p>4.7.2 Complexes with Heavy Chalcogen (S, Se, Te) Donors 207</p> <p>4.8 Actinyl and Its Derivatives 210</p> <p>4.8.1 Inverse Trans Influence (ITI) 211</p> <p>4.8.2 Imido?]Substituted Analogues of Uranyl 212</p> <p>4.8.3 Progress Toward the Isolation of a cis?]Uranyl Complex 216</p> <p>4.9 Organoactinide Single?]Molecule Magnets 217</p> <p>4.10 Future Work 219</p> <p>Acknowledgments 220</p> <p>References 220</p> <p><b>5 Coordination of Actinides and the Chemistry Behind Solvent Extraction 237<br /></b><i>Aurora E. Clark, Ping Yang, and Jenifer C. Shafer</i></p> <p>5.1 Introduction 237</p> <p>5.2 Overview of Separations Processes 238</p> <p>5.2.1 Classic Processes – U/Pu Recovery 238</p> <p>5.2.2 Advanced Separation Processes – Am/Cm Recovery 240</p> <p>5.2.3 Aqueous?]Based Complexants for Trivalent An/Ln Separation 240</p> <p>5.2.4 Recent Trends in Aqueous?]Based Trivalent An/Ln Separations 241</p> <p>5.2.5 Separation of Hexavalent Actinides (SANHEX) Processes 241</p> <p>5.3 Coordination and Speciation of Aqueous Actinides 243</p> <p>5.3.1 Actinide Hydration 245</p> <p>5.3.2 Cation–Cation Complexes in Separations Solution 247</p> <p>5.3.3 Counterion Interactions with Aqueous Actinide Ions 248</p> <p>5.3.4 Changes to Solvation and Speciation in Solvent Mixtures 249</p> <p>5.4 Ligand Design 249</p> <p>5.4.1 Solvating Extractants 250</p> <p>5.4.2 Recent Trends in Solvating Extractants 251</p> <p>5.4.3 Cation Exchange Reagents 253</p> <p>5.4.4 Aqueous Complexants 254</p> <p>5.4.5 Covalency and Ligand Design 255</p> <p>5.4.6 Computational Screening of Separation Selectivity 257</p> <p>5.5 Interfacial Chemistry of Solvent Extraction 258</p> <p>5.5.1 Properties of the Interface and Its Characterization 259</p> <p>5.5.2 Current Understanding of Interfacial Structure and Properties under Different Conditions 261</p> <p>5.5.3 Synergism and Cooperative Phenomena at Interfaces 263</p> <p>5.6 Concluding Remarks 266</p> <p>Acronyms 267</p> <p>Acknowledgments 269</p> <p>References 269</p> <p><b>6 Behaviour and Properties of Nuclear Fuels 283<br /></b><i>Rudy Konings and Marjorie Bertolus</i></p> <p>6.1 Introduction 283</p> <p>6.2 UO2 284</p> <p>6.2.1 Crystal Structure 284</p> <p>6.2.2 Electronic Structure 285</p> <p>6.2.3 Defect Chemistry 287</p> <p>6.2.4 Transport Properties 290</p> <p>6.2.4.1 Oxygen Diffusion 290</p> <p>6.2.4.2 Uranium Diffusion 292</p> <p>6.2.5 Thermophysical Properties 293</p> <p>6.2.5.1 Phonon Kinetics 293</p> <p>6.2.5.2 Thermal Expansion 294</p> <p>6.2.5.3 Heat Capacity 296</p> <p>6.2.5.4 Thermal Conductivity 297</p> <p>6.2.6 Melting and the Liquid 299</p> <p>6.3 Mixed Oxides 300</p> <p>6.4 Nuclear Fuel Behaviour during Irradiation 304</p> <p>6.4.1 Radiation Effects from Fission Fragments 305</p> <p>6.4.2 Radiation Effects from Alpha Decay 306</p> <p>6.4.3 Fission Product Behaviour 307</p> <p>6.4.3.1 Fission Product Dissolution in the UO2 Matrix 308</p> <p>6.4.3.2 Fission Product Diffusion, Coalescence‚ and Precipitation 309</p> <p>6.4.3.3 Fission Gas Resolution 314</p> <p>6.4.4 Helium Behaviour 314</p> <p>6.4.5 Grain Boundary Effects 317</p> <p>6.5 Concluding</p> <p>Remarks 319</p> <p>Acknowledgements 321</p> <p>References 321</p> <p><b>7 Ceramic Host Phases for Nuclear Waste Remediation 333<br /></b><i>Gregory R. Lumpkin</i></p> <p>7.1 Introduction 333</p> <p>7.2 Types of Ceramic Nuclear Waste Forms 334</p> <p>7.3 Radiation Damage Effects 336</p> <p>7.3.1 Actinide Doping Experiments 337</p> <p>7.3.2 Ion Irradiation Experiments 340</p> <p>7.3.3 Natural Analogues 345</p> <p>7.3.4 Atomistic Modeling 352</p> <p>7.4 Performance in Aqueous Systems 358</p> <p>7.4.1 Laboratory Experiments 358</p> <p>7.4.2 Natural Systems 363</p> <p>7.5 Summary and Conclusions 365</p> <p>Acknowledgments 367</p> <p>References 368</p> <p><b>8 Sources and Behaviour of Actinide Elements in the Environment 378<br /></b><i>M.A. Denecke, N. Bryan, S. Kalmykov, K. Morris, and F. Quinto</i></p> <p>8.1 Introduction 378</p> <p>8.2 Naturally Occurring Actinides 379</p> <p>8.2.1 Commercial Uses of Naturally Occurring Actinides 381</p> <p>8.2.2 Uranium Resources and Mining 381</p> <p>8.2.3 Environmental Impacts of Uranium Mining and Milling 384</p> <p>8.2.4 Thorium Resources and Potential Use as Fuel 387</p> <p>8.3 Anthropogenic Actinides Release 387</p> <p>8.3.1 Releases from Nuclear Reprocessing Facilities 388</p> <p>8.3.2 Inventories of Releases from Accidents and Incidents 390</p> <p>8.3.2.1 Source?]Dependent Speciation and Behaviour of Released Actinides 393</p> <p>8.3.3 Burden from Nuclear Testing 395</p> <p>8.3.3.1 Nuclear Testing 395</p> <p>8.3.3.2 Actinides Released in Nuclear Testing 396</p> <p>8.3.3.3 Debris and Fallout of Actinides from Atmospheric Nuclear Testing 398</p> <p>8.3.3.4 Inventories of Actinides from Atmospheric Nuclear Testing 400</p> <p>8.3.3.5 Environmental Behaviour of Fallout Actinides 402</p> <p>8.4 Radionuclide Biogeochemistry – Contaminated Land and Radioactive Waste Disposal 404</p> <p>8.4.1 Bioreduction Processes 405</p> <p>8.4.2 Uranium Biogeochemistry 405</p> <p>8.4.3 Technetium Biogeochemistry 408</p> <p>8.4.4 Neptunium Biogeochemistry 409</p> <p>8.4.5 Plutonium Biogeochemistry 409</p> <p>8.5 Transport and Surface Complexation Modelling 410</p> <p>8.5.1 Key Processes in Actinide Transport 410</p> <p>8.5.2 Interactions of Actinides with Inorganic Phases 410</p> <p>8.5.2.1 Examples of Actinide Interfacial Redox Behaviour 412</p> <p>8.5.3 Surface Complexation Modelling 414</p> <p>8.5.4 Incorporation 417</p> <p>8.5.5 Humic Substances 418</p> <p>8.5.6 Colloids 419</p> <p>8.5.6.1 Intrinsic Colloids 420</p> <p>8.5.6.2 Pseudo?]colloids 421</p> <p>8.5.7 Damkohler Analysis of HS/Colloid?]Mediated Transport 421</p> <p>8.6 Conclusions and Outlook 423</p> <p>List of Acronyms 425</p> <p>References 426</p> <p><b>9 Actinide Biological Inorganic Chemistry: The Overlap of 5f Orbitals with Biology 445<br /></b><i>Peter Agbo, Julian A. Rees, and Rebecca J. Abergel</i></p> <p>9.1 Introduction 445</p> <p>9.2 Interactions between Actinides and Living Systems 448</p> <p>9.2.1 Uranium in a Geochemical Context 449</p> <p>9.2.2 Uranium in Larger Mammalian Systems 452</p> <p>9.2.3 Pentavalent Actinides Neptunium and Protactinium 452</p> <p>9.2.4 Tetravalent Actinides Plutonium and Thorium 453</p> <p>9.2.5 Trivalent Metals from Americium to Einsteinium 457</p> <p>9.3 Molecular Interactions of Actinides with Biological Metal Transporters 458</p> <p>9.3.1 Transferrin?]Mediated Metal Uptake Pathways 458</p> <p>9.3.2 Ferric Ion Binding Proteins 460</p> <p>9.3.3 Divalent Metal Ion Transport Pathways 462</p> <p>9.3.4 Skeleton Deposition: The Role of the Bone Matrix 463</p> <p>9.3.5 Small?]Molecule Metallophores 464</p> <p>9.3.6 Siderophore Analogues for Chelation Therapy 467</p> <p>9.4 Actinide Coordination for Radiopharmaceutical Applications 470</p> <p>9.4.1 Common and Most Promising New Bifunctional Chelators for 225Ac and 227Th 472</p> <p>9.4.2 Maximizing Radiometal Delivery and Minimizing Damage Through Chemistry 474</p> <p>9.5 Approaching Actinide Biochemistry from a Theoretical Perspective 475</p> <p>References 477</p> <p>Index 490</p>
<p><b>Edited by</b> <p><b>John K. Gibson</b>, is Senior Scientist, Lawrence Berkeley National Laboratory, USA. He is experienced in fundamental actinide chemistry research, ranging from solid state synthesis of transuranium compounds to actinide chemistry in the gas phase. <p><b>Wibe A. de Jong</b>, is Senior Scientist, Lawrence Berkeley National Laboratory, USA. He has years of experience in advancing fundamental actinide chemistry research, and in developing and using a variety of computational chemistry approaches.
<p><b>Experimental and Theoretical Approaches to Actinide Chemistry</b> <p><b>A review of contemporary actinide research that focuses on new advances in experiment and theory, and the interplay between these two realms</b> <p>E<i>xperimental and Theoretical Approaches to Actinide Chemistry</i> offers a comprehensive review of the key aspects of actinide research. Written by noted experts in the field, the text includes information on new advances in experiment and theory and reveals the interplay between these two realms. The authors offer a multidisciplinary and multimodal approach to the nature of actinide chemistry, and explore the interplay between multiple experiments and theory, as well as between basic and applied actinide chemistry. <p>The text covers the basic science used in contemporary studies of the actinide systems, from basic synthesis to state-of-the-art spectroscopic and computational techniques. The authors provide contemporary overviews of each topic area presented and describe the current and anticipated experimental approaches for the field, as well as the current and future computational chemistry and materials techniques. In addition, the authors explore the combination of experiment and theory. This important resource: <ul> <li>Provides an essential resource that reviews the key aspects of contemporary actinide research</li> <li>Includes information on new advances in experiment and theory, and the interplay between the two</li> <li>Covers the basic science used in contemporary studies of the actinide systems, from basic synthesis to state-of-the-art spectroscopic and computational techniques</li> <li>Focuses on the interplay between multiple experiments and theory, as well as between basic and applied actinide chemistry</li> </ul> <p>Written for academics, students, professionals and researchers, this vital text contains a thorough review of the key aspects of actinide research and explores the most recent advances in experiment and theory.

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