Introduction To Spectroscopy Pavia
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Introduce your students to the latest advances in spectroscopy with the text that has set the standard in the field for more than three decades: INTRODUCTION TO SPECTROSCOPY, 5e, by Donald L. Pavia, Gary M. Lampman, George A. Kriz, and James R. Vyvyan. Whether you use the book as a primary text in an upper-level spectroscopy course or as a companion book with an organic chemistry text, your students will receive an unmatched, systematic introduction to spectra and basic theoretical concepts in spectroscopic methods. This acclaimed resource features up-to-date spectra; a modern presentation of one-dimensional nuclear magnetic resonance (NMR) spectroscopy; an introduction to biological molecules in mass spectrometry; and coverage of modern techniques alongside DEPT, COSY, and HECTOR.
Gain an understanding of the latest advances in spectroscopy with INTRODUCTION TO SPECTROSCOPY.This proven book provides a systematic introduction to spectra and basic theoretical concepts in spectroscopic methods and includes up-to-date spectra; a modern presentation of one-dimensional nuclear magnetic resonance (NMR) spectroscopy; an introduction to biological molecules in mass spectrometry; and coverage of modern techniques alongside DEPT, COSY, and HECTOR.
Chapter 1. Introductionto spectroscopy, the case of UV-VIS spectroscopy (3hours): Introduction to structural determination. Theelectromagnetic spectrum. Interactionof matter with electromagnetic radiation: General characteristics,the Electronicexcitation and Selection rules in UV-VISspectroscopy. Theabsorption spectra and emission, t ypesof electronic transitions; c hromophoresand auxocromos. Spectrometersand resolution. Relation structure and UV absorption, theconjugation and its effect in the spectrum
Chapter 2. Basicsof Nuclear Magnetic Resonance (NMR). (5hours): Introduction to NMR: The nuclear spin, spinstatesand magnetic field. Instrumentation. Chemicalshift and factors that modify it. Chemicalequivalence. The intensity ofthe signals. Spin-spin coupling.
Chapter 3. InfraredSpectroscopy (IR). (4hours): Basics: Vibration of diatomic molecules. Normalmodes of vibration of polyatomic molecules. Interactionof matter with infrared radiation. Instrumentationand sample preparation. Infraredabsorption spectra, characteristic frequencies. Factorsaffecting the characteristic frequencyofa group. IRspectrum regions and types of bonds, analysis of IR spectrum.
Chapter 4. AdvancingNuclear Magnetic Resonance (NMR). (4hours): NMR Approach to the "pulses" and the Fouriertransform. The relaxation: T1 andT2. NOE effect. 13C spectroscopy: chemical shift and intensity,determination of multiplicity. Chirality and NMR. Dynamic Effects inNMR. 2DNMR spectroscopy: homonuclear and heteronuclear, types ofexperiments, how to extract information.
Chapter 5. Massspectrometry (MS). Fundamentals andApplications. (3,5h): Background: discriminationof chargedfragments based on their relationship "charge / mass". Themass spectrometer: overview, ionization chamber, accelerationsystem, analyzer, detector and recorder. IonizationTechniques: CI, FAB, APCI, ESI, MALDI. Processesoccurring inside a mass spectrometer: the fragmentations. Themass spectrum: general description, component parts andterminology. The nitrogenrule. Determinationof the molecular formula: exact mass and isotope ratio. Commonfragmentations. How to analyze amass spectrum.
Chapter6: Systematic Structural determination of unknownsubstances. (0,5h) Combined use of various spectroscopic, spectrometric techniquesto solve the structure of a substance.
Practice Module (20 h): Experimental multistep synthesis ofan organic compound, including the use of a dvanced experimentaltechniques in organic synthesis, along with separative andspectroscopic techniques for structure elucidation.
Seminars Module (18 h): There are three separate sections:
- Resolution of the proposal exercises about the theory, with practical examples for the structure elucidation of organic compounds
- Software and web resources of utility in this subject.
The course is divided in two parts, one dealing with theory ofthe major instrumental methods used routinely by organic chemists:ultra-violet/visible (UV-VIS), infra-red (IR), nuclear magneticresonance spectroscopy (NMR), and mass spectroscopy (MS). A conciseintroduction to the Physics background of each of them, describinghow the molecules as well as their fragments interact withelectromagnetic radiation will be provided .This information isapplied to the determination of chemical structures. The coursealso includes a simple description of the instrumentation andemphasizes modern methodology throughout, such as theFourier-transform approach to data analysis.
The second part is related with some practical experiments thatthe students will carry out in the lab. In these experiments amultistep synthesis of an organic compound is developed. Differentexperimental and spectroscopic techniques will be used for thesetup, separation and structural elucidation of each compoundinvolved in the synthetic pathway.
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