Active Nitrogen

Physical Chemistry: A Series of Monographs

1st Edition - January 1, 1968
Authors: A. Nelson Wright, Carl A. Winkler
Editor: Ernest M. Loebl
Language: English
eBook ISBN:
9 7 8 - 1 - 4 8 3 1 - 9 4 8 6 - 8

Physical Chemistry, A Series of Monographs: Active Nitrogen presents the methods by which active nitrogen may be produced. This book is composed of five chapters that evaluate the… Read more

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Physical Chemistry, A Series of Monographs: Active Nitrogen presents the methods by which active nitrogen may be produced. This book is composed of five chapters that evaluate the energy content, molecular spectrum, and the emission of active nitrogen. Some of the topics covered in the book are the summary of light-emitting systems of active nitrogen; analysis of Long-Lived Lewis-Rayleigh Afterglow theory and Ionic theory of Mitra; reactions followed by induced light emission; and characteristics of homogeneous recombination. Other chapters deal with the analysis of metastable molecule theories and the mechanisms for reactions of active nitrogen involving direct N(4S) attack. The discussion then shifts to the rate constants for reactions induced by direct N(4S) attack. The evaluation of the Short-Lived Energetic Afterglow theory is presented. The final chapter is devoted to the examination of emission from molecular species with electronic energy levels below 9.76 eV. The book can provide useful information to physicists, students, and researchers.

Preface 1. Introduction I. A Brief Description of Active Nitrogen and Its Discovery II. The Energy Content of Active Nitrogen and the Bond Dissociation Energy of N2 III. Methods by Which Active Nitrogen May Be Produced 2. Light Emission from Active Nitrogen Systems I. The Molecular Spectrum of Nitrogen II. Emission from Molecular Species with Electronic Energy Levels below 9.76 eV 1. The First Positive System of N2, B3Πg → A 3Σu+ (5000-25,000 Å) 2. The "Y" Bands of N2, B'3Σu → B 3Πg (6000-10,800 Å) 3. The Vegard-Kaplan System of N2, A 3Σu+ → X 1Σg+ (2100-5000 Å) 4. The Lyman-Birge-Hopfield System of N2, a 1Πg → X 1Σg+ (1200-2600 Å) III. Emission from Molecular Species with Electronic Energy Levels above 9.76 eV 2. The Goldstein-Kaplan System of N2, C' 3Πu → B 3Πg (2850-5100 Å) 3. The Birge-Hopfield Systems of N2, b 1Πu, and b' 1Σu+ → X 1Σg+ (930-1650 Å) 4. The First Negative System of N2+, B 2Σu+ → X 2Σg+ (2900-5900 Å) IV. Emission from Atomic Nitrogen V. Emission from Condensed Active Nitrogen or Activated Solid Nitrogen VI. Summary of Light-Emitting Systems of Active Nitrogen 3. Afterglow Species, Their Lifetimes and Concentrations I. Atomic Species l. N(4S) 2. N(2D) 3. N(2P) 4. N(3s 4P) 5. N(3s 2P) 6. N(sp4 4P) 7. N(S6) II. Molecular Species with Energy Content Less than 9.76 eV 1. N2+ (Vibrationally Excited Molecule in the Ground Electronic State) 2. N2(A 3Σu+) 3. N2(B 3Πg) 4. N2(3Δu) 5. N2(B' 3Σu-) 6. N2(a' 1Σu-) 7. Ν2(a 1Πg) 8. N2(w 1Δu) 9. N2(5Σu+) III. Molecular Species with Energy Content Greater than 9.76 eV 1. N2(C 3Πu) 2. N2(C' 3Πu) 3. N2(b 1Πu) and N2(b' 1Σu+) 4. Ν2+(Χ 2Σg+) 5. N2+(B 2Σu+) IV. Other Species 1. The N3 Radical 2. Electrons 3. Ions Other than N2+(X 2Σg+) and N2+(B 2Σu+) V. Summary 4. Theories of Active Nitrogen I. The Long-Lived Lewis-Rayleigh Afterglow 1. Older Theories 2. The Ionic Theory of Mitra 3. Modern Theories II. The Short-Lived, Energetic Afterglow 5. Chemical Reactions of Active Nitrogen I. Recombination of N(4S) Atoms 1. Homogeneous Recombination 2. Heterogeneous Recombination II. Survey of Reactions Investigated 1. Reactions Followed Mainly by Induced Light Emission 2. Reactions Followed by Analysis for the Products Formed III. Mechanisms for Reactions of Active Nitrogen That Appear to Involve Direct N(4S) Attack IV. Rate Constants for Reactions Presumably Induced by Direct N(4S) Attack V. Reactions Possibly Induced by Excited Nitrogen Molecule Attack 1. Survey of Reaction Systems That Might Be Involved 2. Rate Constants for Reactions Assumed to Be Initiated by a Collision of the Second Kind Bibliography Author Index Subject Index