Journal
JOURNAL OF CHEMICAL EDUCATION
Volume 91, Issue 6, Pages 883-888Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ed400578q
Keywords
First-Year Undergraduate/General; Laboratory Instruction; Collaborative/Cooperative Learning; Inquiry-Based/Discovery Learning; Molecular Modeling; Computational Chemistry; Dyes/Pigments; Esters; Materials Science; Spectroscopy
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This laboratory was developed by undergraduate students in collaboration with the course instructor as part of a peer-developed and peer-led lab curriculum in a general chemistry course. The goal was to explore the hypothesis that crystal violet lactone was responsible for the thermochromic properties of a sipping straw using a FT-IR for experimental determinations of vibrational frequencies, UV-vis to quantify the color change, and the software packages Spartan and Gaussian 09 for theoretical calculations.
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