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ERIC Number: EJ1003036
Record Type: Journal
Publication Date: 2012-Nov
Pages: 4
Abstractor: As Provided
Reference Count: 5
ISBN: N/A
ISSN: ISSN-0021-9584
Structure Determination of Unknown Organic Liquids Using NMR and IR Spectroscopy: A General Chemistry Laboratory
Pavel, John T.; Hyde, Erin C.; Bruch, Martha D.
Journal of Chemical Education, v89 n11 p1450-1453 Nov 2012
This experiment introduced general chemistry students to the basic concepts of organic structures and to the power of spectroscopic methods for structure determination. Students employed a combination of IR and NMR spectroscopy to perform de novo structure determination of unknown alcohols, without being provided with a list of possible structures. Students used IR spectra to identify functional groups present, then constructed trial structures and predicted the NMR spectrum, modifying the structure until agreement was obtained. The structure was confirmed by comparison of boiling point and density data, measured in triplicate, to literature values, and the precision and accuracy of student measurements was critically evaluated. (Contains 1 table and 2 figures.)
Division of Chemical Education, Inc and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail: eic@jce.acs.org; Web site: http://pubs.acs.org/jchemeduc
Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A