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Electronic Structure and Number Theory : Bohr’s Boldest Dream / / edited by Jan C.A. Boeyens, Peter Comba
Electronic Structure and Number Theory : Bohr’s Boldest Dream / / edited by Jan C.A. Boeyens, Peter Comba
Edizione [1st ed. 2013.]
Pubbl/distr/stampa Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2013
Descrizione fisica 1 online resource (XI, 183 p.)
Disciplina 546
Collana Structure and Bonding
Soggetto topico Inorganic chemistry
Chemometrics
Chemistry, Physical and theoretical
Inorganic Chemistry
Math. Applications in Chemistry
Theoretical and Computational Chemistry
ISBN 3-642-31977-7
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Chemistry by Number Theory -- Chemistry in Four Dimensions -- Is the Rydberg-Ritz relationship valid? -- Calculation of Atomic Structure -- Covalent Interaction -- Molecular Shape -- All is Number.
Record Nr. UNINA-9910437819903321
Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2013
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Modeling of molecular properties [[electronic resource] /] / edited by Peter Comba
Modeling of molecular properties [[electronic resource] /] / edited by Peter Comba
Edizione [2nd ed.]
Pubbl/distr/stampa Weinheim, : Wiley-VCH, c2011
Descrizione fisica 1 online resource (513 p.)
Disciplina 541.220113
620.11299
Altri autori (Persone) CombaPeter
Soggetto topico Biochemistry
Chemistry, Inorganic
Chemistry, Organic
Molecules - Models
ISBN 3-527-63641-2
1-283-86977-2
3-527-63642-0
3-527-63640-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Modeling of Molecular Properties; Contents; Preface; List of Contributors; Part One: Theory and Concepts; 1 Accurate Dispersion-Corrected Density Functionals for General Chemistry Applications; 1.1 Introduction; 1.2 Theoretical Background; 1.2.1 Double-Hybrid Density Functionals; 1.2.2 London-Dispersion-Corrected DFT; 1.3 Examples; 1.3.1 GMTKN30; 1.3.2 A Mechanistic Study with B2PLYP-D; 1.3.3 Double-Hybrids for Excited States; 1.4 Summary and Conclusions; References; 2 Free-Energy Surfaces and Chemical Reaction Mechanisms and Kinetics; 2.1 Introduction; 2.2 Elementary Reactions
2.3 Two Consecutive Steps2.4 Multiple Consecutive Steps; 2.5 Competing Reactions; 2.6 Catalysis; 2.7 Conclusions; References; 3 The Art of Choosing the Right Quantum Chemical Excited-State Method for Large Molecular Systems; 3.1 Introduction; 3.2 Existing Excited-State Methods for Medium-Sized and Large Molecules; 3.2.1 Wavefunction-Based ab initio Methods; 3.2.2 Density-Based Methods; 3.3 Analysis of Electronic Transitions; 3.4 Calculation of Static Absorption and Fluorescence Spectra; 3.5 Dark States; 3.5.1 Excited Electronic States with Large Double Excitation Character
3.5.2 Charge-Transfer Excited States3.6 Summary and Conclusions; References; 4 Assigning and Understanding NMR Shifts of Paramagnetic Metal Complexes; 4.1 The Aim and Scope of the Chapter; 4.2 Basic Theory of Paramagnetic NMR; 4.2.1 The Origin of the Hyper.ne Shift; 4.2.1.1 The Contact Shift; 4.2.1.2 The Pseudocontact Shift; 4.2.2 Relaxation and Line Widths; 4.2.2.1 Electronic Relaxation; 4.2.2.2 Dipolar Relaxation; 4.2.2.3 Contact Relaxation; 4.2.2.4 Curie Relaxation; 4.2.3 Advice for Recording Paramagnetic NMR Spectra; 4.3 Signal Assignments; 4.3.1 Comparison of Similar Compounds
4.3.2 Separation of Contact and Pseudocontact Shift4.3.3 Estimating the Dipolar Contributions; 4.3.4 DFT-Calculation of Spin-Densities; 4.4 Case Studies; 4.4.1 Organochromium Complexes; 4.4.2 Nickel Complexes; References; 5 Tracing Ultrafast Electron Dynamics by Modern Propagator Approaches; 5.1 Charge Migration Processes; 5.1.1 Theoretical Considerations of Charge Migration; 5.2 Interatomic Coulombic Decay in Noble Gas Clusters; 5.2.1 Theoretical Considerations of ICD; References; 6 Natural Bond Orbitals and Lewis-Like Structures of Copper Blue Proteins
6.1 Introduction: Localized Bonding Concepts in Copper Chemistry6.2 Localized Bonds and Molecular Geometries in Polyatomic Cu Complexes; 6.3 Copper Blue Proteins and Localized Bonds; 6.4 Summary; References; 7 Predictive Modeling of Molecular Properties: Can We Go Beyond Interpretation?; 7.1 Introduction; 7.2 Models and Modeling; 7.3 Parameterized Classical and Quantum Mechanical Theories; 7.4 Predictive Energies and Structures; 7.5 Other Gas-Phase Properties; 7.6 Solvent Effects: The Major Problem; 7.7 Reaction Selectivity; 7.8 Biological and Pharmaceutical Modeling; 7.8.1 SAR Modeling
7.8.2 Force Fields, Docking, and Scoring
Record Nr. UNINA-9910138049003321
Weinheim, : Wiley-VCH, c2011
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Modeling of molecular properties / / edited by Peter Comba
Modeling of molecular properties / / edited by Peter Comba
Edizione [2nd ed.]
Pubbl/distr/stampa Weinheim, : Wiley-VCH, c2011
Descrizione fisica 1 online resource (513 p.)
Disciplina 541.220113
620.11299
Altri autori (Persone) CombaPeter
Soggetto topico Biochemistry
Chemistry, Inorganic
Chemistry, Organic
Molecules - Models
ISBN 3-527-63641-2
1-283-86977-2
3-527-63642-0
3-527-63640-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Modeling of Molecular Properties; Contents; Preface; List of Contributors; Part One: Theory and Concepts; 1 Accurate Dispersion-Corrected Density Functionals for General Chemistry Applications; 1.1 Introduction; 1.2 Theoretical Background; 1.2.1 Double-Hybrid Density Functionals; 1.2.2 London-Dispersion-Corrected DFT; 1.3 Examples; 1.3.1 GMTKN30; 1.3.2 A Mechanistic Study with B2PLYP-D; 1.3.3 Double-Hybrids for Excited States; 1.4 Summary and Conclusions; References; 2 Free-Energy Surfaces and Chemical Reaction Mechanisms and Kinetics; 2.1 Introduction; 2.2 Elementary Reactions
2.3 Two Consecutive Steps2.4 Multiple Consecutive Steps; 2.5 Competing Reactions; 2.6 Catalysis; 2.7 Conclusions; References; 3 The Art of Choosing the Right Quantum Chemical Excited-State Method for Large Molecular Systems; 3.1 Introduction; 3.2 Existing Excited-State Methods for Medium-Sized and Large Molecules; 3.2.1 Wavefunction-Based ab initio Methods; 3.2.2 Density-Based Methods; 3.3 Analysis of Electronic Transitions; 3.4 Calculation of Static Absorption and Fluorescence Spectra; 3.5 Dark States; 3.5.1 Excited Electronic States with Large Double Excitation Character
3.5.2 Charge-Transfer Excited States3.6 Summary and Conclusions; References; 4 Assigning and Understanding NMR Shifts of Paramagnetic Metal Complexes; 4.1 The Aim and Scope of the Chapter; 4.2 Basic Theory of Paramagnetic NMR; 4.2.1 The Origin of the Hyper.ne Shift; 4.2.1.1 The Contact Shift; 4.2.1.2 The Pseudocontact Shift; 4.2.2 Relaxation and Line Widths; 4.2.2.1 Electronic Relaxation; 4.2.2.2 Dipolar Relaxation; 4.2.2.3 Contact Relaxation; 4.2.2.4 Curie Relaxation; 4.2.3 Advice for Recording Paramagnetic NMR Spectra; 4.3 Signal Assignments; 4.3.1 Comparison of Similar Compounds
4.3.2 Separation of Contact and Pseudocontact Shift4.3.3 Estimating the Dipolar Contributions; 4.3.4 DFT-Calculation of Spin-Densities; 4.4 Case Studies; 4.4.1 Organochromium Complexes; 4.4.2 Nickel Complexes; References; 5 Tracing Ultrafast Electron Dynamics by Modern Propagator Approaches; 5.1 Charge Migration Processes; 5.1.1 Theoretical Considerations of Charge Migration; 5.2 Interatomic Coulombic Decay in Noble Gas Clusters; 5.2.1 Theoretical Considerations of ICD; References; 6 Natural Bond Orbitals and Lewis-Like Structures of Copper Blue Proteins
6.1 Introduction: Localized Bonding Concepts in Copper Chemistry6.2 Localized Bonds and Molecular Geometries in Polyatomic Cu Complexes; 6.3 Copper Blue Proteins and Localized Bonds; 6.4 Summary; References; 7 Predictive Modeling of Molecular Properties: Can We Go Beyond Interpretation?; 7.1 Introduction; 7.2 Models and Modeling; 7.3 Parameterized Classical and Quantum Mechanical Theories; 7.4 Predictive Energies and Structures; 7.5 Other Gas-Phase Properties; 7.6 Solvent Effects: The Major Problem; 7.7 Reaction Selectivity; 7.8 Biological and Pharmaceutical Modeling; 7.8.1 SAR Modeling
7.8.2 Force Fields, Docking, and Scoring
Record Nr. UNINA-9910818938103321
Weinheim, : Wiley-VCH, c2011
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui