{"title":"Gerhard Herzberg","description":null,"products":[{"product_id":"atomic-spectra-and-atomic-structure-book-gerhard-herzberg-9780486601151","title":"Atomic Spectra and Atomic Structure","description":"\u003cp\u003eThis book has long been recognized as one of the most satisfactory introductions to atomic spectra and their relationship to atomic structure. It is especially valuable to physics and physical chemists who are specialists in other fields, but require a comprehensive basic knowledge of atomic spectra because of their significance to their own work.\u003cbr\u003eTreatment throughout is physical rather than mathematical, with experiment serving as a starting point for theory. Complex mathematics are avoided; results of calculation are accepted without proof, while references are given to places where detailed proofs may be found.\u003cbr\u003ePartial Contents: Simplest Line Spectra and the Elements of Atomic Theory: 1. Empirical hydrogen terms. 2. Bohr theory of Balmer terms. 3. Energy level diagrams. 4. Wave mechanics, quantum mechanics. 5. Alkali spectra. 6. Spectrum of helium and alkaline earths. Multiplet Structure of Line Spectra and Electron Spin: 1. Empirical facts, their formal explanation. 2. Physical explanation of quantum numbers. 3. Space quantization (Zeeman effect, Stark effect). Building-up Principle and Periodic System of the Elements: 1. Pauli principle. 2. Determination of term type from electron configuration. 3. Periodic system of the elements. Finer Details of Atomic Spectra: 1. Intensities of spectral lines. 2. Series limits for outer electrons. 3. Coupling. 4. The interval rule. Hyperfine Structure of Spectral Lines: Isotope effect, nuclear spin. Experimental Results and Applications: 1. Energy level diagrams and ionization potentials. 2. Magnetic moment and susceptibility. 3. Chemical applications. 80 illustrations.\u003c\/p\u003e","brand":"WoB","offers":[{"title":"US \/ WELL_READ \/ SBYB","offer_id":49789992861969,"sku":"CIN0486601153A","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"US \/ GOOD \/ SBYB","offer_id":50037714813201,"sku":"CIN0486601153G","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ NEW \/ GARDNERS","offer_id":50204884435217,"sku":"NGR9780486601151","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":50412351979793,"sku":"GOR005501462","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ VERY_GOOD \/ SBYB","offer_id":50801984667921,"sku":"CIN0486601153VG","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ GOOD \/ INTERNAL","offer_id":53689280200977,"sku":"GOR003667168","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/0486601153.jpg?v=1750879141"},{"product_id":"the-spectra-and-structures-of-simple-free-radicals-book-gerhard-herzberg-9780486658216","title":"The Spectra and Structures of Simple Free Radicals","description":"\u003cp\u003eAuthoritative and clearly written. -- \u003ci\u003eApplied Optics\u003cbr\u003e\u003c\/i\u003eThe direct observation of short-lived free radicals and the consequent study of their structure and reactions have led to important developments in almost every branch of chemistry as well as in other areas. This volume by a Nobel laureate offers an excellent introduction to the essentials of molecular spectroscopy.\u003cbr\u003eThe introductory chapter discusses experimental methods and illustrates the observed spectra of various molecules and free radicals. Subsequent chapters explore rotational, vibrational, and electronic energy levels of diatomic molecules and ions; radiative transitions; linear and nonlinear polyatomic radicals and ions; continuous and diffuse spectra; predissociation and pre-ionization; and recombination. The well-illustrated text features more than 100 figures and spectra. A distilled version of the author's monumental three-volume study, \u003ci\u003eMolecular Spectra and Molecular Structure, \u003c\/i\u003e it constitutes a superb resource for anyone wishing a concise but complete treatment of the fundamentals of molecular spectroscopy. \u003c\/p\u003e","brand":"WoB","offers":[{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":50052031873297,"sku":"GOR013846854","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"US \/ NEW \/ INGRAM","offer_id":51002854736145,"sku":"NIN9780486658216","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"US \/ GOOD \/ SBYB","offer_id":51415900225809,"sku":"CIN048665821XG","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"US \/ VERY_GOOD \/ SBYB","offer_id":52632059871505,"sku":"CIN048665821XVG","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/048665821X.jpg?v=1751135554"},{"product_id":"molecular-spectra-and-molecular-structure-volume-ii-infrared-and-raman-spectra-o-rare-book-gerhard-herzberg-1697618393bwk","title":"Molecular Spectra and Molecular Structure. Volume II: Infrared and Raman Spectra of Polyatomic Molecules","description":"1947. Reprinted. 632 pages. No dust jacket. Brown cloth boards with gilt lettering. Volume II. Clean pages with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedow","brand":"WoB","offers":[{"title":"GB \/ GOOD \/ INTERNAL","offer_id":50084737384721,"sku":"1697618393BWK","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/1697618393BWK_1.jpg?v=1722920514"},{"product_id":"atomic-spectra-and-atomic-structure-book-gerhard-herzberg-9781406753226","title":"Atomic Spectra And Atomic Structure","description":"\u003cp\u003eThis book has long been recognized as one of the most satisfactory introductions to atomic spectra and their relationship to atomic structure. It is especially valuable to physics and physical chemists who are specialists in other fields, but require a comprehensive basic knowledge of atomic spectra because of their significance to their own work.\u003cbr\u003eTreatment throughout is physical rather than mathematical, with experiment serving as a starting point for theory. Complex mathematics are avoided; results of calculation are accepted without proof, while references are given to places where detailed proofs may be found.\u003cbr\u003ePartial Contents: Simplest Line Spectra and the Elements of Atomic Theory: 1. Empirical hydrogen terms. 2. Bohr theory of Balmer terms. 3. Energy level diagrams. 4. Wave mechanics, quantum mechanics. 5. Alkali spectra. 6. Spectrum of helium and alkaline earths. Multiplet Structure of Line Spectra and Electron Spin: 1. Empirical facts, their formal explanation. 2. Physical explanation of quantum numbers. 3. Space quantization (Zeeman effect, Stark effect). Building-up Principle and Periodic System of the Elements: 1. Pauli principle. 2. Determination of term type from electron configuration. 3. Periodic system of the elements. Finer Details of Atomic Spectra: 1. Intensities of spectral lines. 2. Series limits for outer electrons. 3. Coupling. 4. The interval rule. Hyperfine Structure of Spectral Lines: Isotope effect, nuclear spin. Experimental Results and Applications: 1. Energy level diagrams and ionization potentials. 2. Magnetic moment and susceptibility. 3. Chemical applications. 80 illustrations.\u003c\/p\u003e","brand":"WoB","offers":[{"title":"US \/ NEW \/ INGRAM","offer_id":51024717611281,"sku":"NIN9781406753226","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ NEW \/ GARDNERS","offer_id":52110932508945,"sku":"NGR9781406753226","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/140675322X.jpg?v=1751370419"},{"product_id":"molecular-spectra-and-molecular-structure-vol-i-book-gerhard-herzberg-9781406738537","title":"Molecular Spectra and Molecular Structure - Vol I","description":"I have endeavoured to give a presentation which is readable by the beginner in the field and also will be useful to those who do or want to do research work in this field. In order to assist the former, I have frequently made use of small type for those sections that are not necessary for an understanding of the fundamentals. For the benefit of those working in the field, numerous references to original papers have been included. A satisfactory presentation of molecular spectra and molecular structure is nowadays not possible without treating thoroughly, apart from the empirical results, the theoretical background also. Therefore, I have included as much of the theory of molecular spectra as is possible without going into the more difficult mathematical details. A large number of diagrams, graphical representations of eigenfunctions and potential curves, as well as energy level diagrams, serve to illustrate and to explain the theory. On the other hand, I have added numerous carefully selected spectrograms of bands and band systems (some of which have been taken specially for this purpose) in order to give an accurate idea of the experimental material that forms the basis of the developments.","brand":"WoB","offers":[{"title":"- \/ - \/ -","offer_id":51024637722897,"sku":"","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ NEW \/ INGRAM","offer_id":51024640901393,"sku":"NIN9781406738537","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/1406738530.jpg?v=1751272150"},{"product_id":"molecular-spectra-and-molecular-structure-vol-i-book-gerhard-herzberg-9781443726085","title":"Molecular Spectra and Molecular Structure - Vol I","description":"I have endeavoured to give a presentation which is readable by the beginner in the field and also will be useful to those who do or want to do research work in this field. 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BIG zurtick In einem alten Lehrbuch 1) der organischen Chemie lesen wir dar- tiber: Man bezeichnet als Radikale nach LIEBIG Atomgruppen, welche die Rol- le von Elementen spielen, sich wie diese mit Elementen und untereinander ver- einigen k6nnen und von einer Verbindung durch Austausch in andere tibertra- gen lassen. Freie Radikale wurden zum ersten Mal in die Betrachtung mit ein- bezogen, nachdem GOMBERG (46)2) urn die lahrhundertwende beobachtet hatte, daB Triphenylmethyl ein chemisch stabiles System ist. Einfachere Radikale, wie z. R CH, CH und CH, sind jedoch extrem kurzlebige Spezies, die schwer 3 2 herzustellen und im freien Zustand zu beobachten sind. Sie sind chemisch in- slabil, auch wenn sie im allgemeinen physikalisch stabil sind; das heillt, wenn sie durch Zusammenst6Be nicht gestort werden, zerfallen sie nicht spontan: sie besitzen eine nicht verschwindende Dissoziationsenergie. 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