12.8 Infrared Spectra of Some Common Functional Groups
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Cocrystal Controlled Solid-State SynthesisMiranda L. Cheney, Michael J. Zaworotko, Steve Beaton, and Robert D. Singer Describes experiments that can easily be adapted to a typical undergraduate organic chemistry course and are inexpensive, relatively safe, require little or no solvent, have high atom economy, make use of non-toxic or low toxicity compounds, and generate negligible quantities of waste. Cheney, Miranda L.; Zaworotko, Michael J.; Beaton, Steve; Singer, Robert D. J. Chem. Educ.2008, 85, 1649.
Amines / Ammonium Compounds |
Calorimetry / Thermochemistry |
Green Chemistry |
IR Spectroscopy |
Microscale Lab |
Solid State Chemistry |
Synthesis
Designing and Conducting a Purification Scheme as an Organic Chemistry Laboratory PracticalKate J. Graham, Brian J. Johnson, T. Nicholas Jones, Edward J. McIntee, and Chris P. Schaller Describes an open-ended laboratory practical that challenges students to evaluate when different purification techniques are appropriate. Graham, Kate J.; Johnson, Brian J.; Jones, T. Nicholas; McIntee, Edward J.; Schaller, Chris P. J. Chem. Educ.2008, 85, 1644.
IR Spectroscopy |
Microscale Lab |
Molecular Properties / Structure |
NMR Spectroscopy |
Physical Properties |
Separation Science
NMR and IR Spectroscopy for the Structural Characterization of Edible Fats and OilsMolly W. Crowther This article describes an upper-level instrumental laboratory for undergraduates that explores the complementary nature of IR and NMR spectroscopy in the analysis of five edible and structurally similar fats and oils for average chain length, degree of unsaturation, and trans fat content. Crowther, Molly W. J. Chem. Educ.2008, 85, 1550.
The Spectra of Molecules: InfraredEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
IR Spectroscopy
3D NormalModes Shockwave; A Web Application for Interactive Visualization and Three Dimensional PercNickolas D. Charistos, C. A. Tsipis, Michael P. Sigalas 3D Normal Modes is a Web application for interactive visualization and three-dimensional perception of the normal modes of molecular vibration, suitable for undergraduate students in chemistry. The application uses the Macromedia Shockwave plug-in and has been designed and developed especially for the Web. It has a simple graphical user interface and requires a download of only 120 KB, allowing it to be used even with low bandwidth Internet connections. Its performance is comparable to a desktop application.
IR Spectroscopy |
Raman Spectroscopy
The Effect of Anharmonicity on Diatomic Vibration; A Spreadsheet SimulationWilliam F. Coleman, Kieran F. Lim Instructors and students can use this spreadsheet to quickly and easily observe how the shape of a one-dimensional vibrational potential energy curve and its associated vibrational quantum energy levels depend on the anharmonicity. This illustrates the connection between the harmonic (approximation) and anharmonic descriptions of molecular vibrations.
