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23 lis 2016 · Table of Contents. Let’s Correct Some Common Misconceptions About IR; Starting With “Hunt And Peck” Is Not The Way To Go; IR Spectroscopy: The Big Picture; The Two Main Things To Look For In An IR Spectrum: “Tongues” and “Swords”. Alcohols and Carboxylic Acids: More Detail; Specific Examples of IR Spectra of Carbonyl Functional Groups
- Molecular Orbitals of The Allyl Cation, Allyl Radical, and Allyl Anion
1. Quick Review: Molecular Orbitals For A Simple Pi Bond. In...
- Homo & LUMO In The Diels Alder Reaction
In the Diels-Alder the highest-occupied molecular orbital...
- Bonding And Antibonding Pi Orbitals
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- Resonance Structures Practice
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- Molecular Orbitals of The Allyl Cation, Allyl Radical, and Allyl Anion
Table of Characteristic IR Absorptions m=medium, w=weak, s=strong, n=narrow, b=broad, sh=sharp ... 3640–3610 (s, sh) O–H stretch, free hydroxyl alcohols, phenols 3500–3200 (s,b) O–H stretch, H–bonded alcohols, phenols 3400–3250 (m) N–H stretch 1˚, 2˚ amines, amides 3300–2500 (m) O–H stretch carboxylic acids
Plate and start experiment. Spectrum viewer and comparator. You may drag and drop (or copy paste) to tab-delimited text files in order to compare 2 spectra.
Infrared spectroscopy is the study of the interaction of infrared light with matter. The fundamental measurement obtained in infrared spectroscopy is an infrared spectrum, which is a plot of measured infrared intensity versus wavelength (or frequency) of light.
The information in Table 6.1 can be summarized in the diagram for easier identification (Figure 6.3b), in which the IR spectrum is divided into several regions, with the characteristic band of certain groups labeled. Figure 6.3b Approximate IR Absorption Range.
An infrared spectroscopy correlation table (or table of infrared absorption frequencies) is a list of absorption peaks and frequencies, typically reported in wavenumber, for common types of molecular bonds and functional groups.
The following table lists infrared spectroscopy absorptions by frequency regions.
