The POGIL-PCL group is a community of educators dedicated to bringing the POGIL format into the physical chemistry laboratory. With the contributions of many people in the POGIL-PCL group, a POGIL version of the classic rotationally resolved infrared spectrum of a diatomic molecule experiment has been developed to more fully engage students in the modeling, analysis, and interpretation of the data. The student learning objectives for this laboratory experiment are: 1. Develop an energy level diagram and relate that diagram to rotational-vibrational spectra. 2. Identify, describe, and interpret the molecular constants that can be extracted from gas-phase IR spectra. 3. Discover the impact of spectral resolution on precision of molecular constants derived from the spectral data. 4. Use data to evaluate and refine quantum mechanical models. The learning cycles, potential challenges, and development of the experiment will be described.

Gas-phase infrared spectroscopy of small molecules: POGIL experiment for the physical chemistry laboratory

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

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