What question did this study set out to answer?

The aim is to introduce undergraduate students to the principles of infrared spectroscopy through molecular modeling.

March 28, 2026

Introduction to Infrared Spectroscopy

DDDonna DiLulloSpringfield College MBMarisa L. BlauveltSpringfield College

Key Points

The aim is to introduce undergraduate students to the principles of infrared spectroscopy through molecular modeling.
Implemented a two-part laboratory experiment
Utilized the iSpartan app for modeling and analysis
Examined relationships between bond strength, atomic mass, and spectral locations
Created an infrared correlation table from student-generated data
Students successfully generated a correlation table for IR spectra
Illustrated strong relationships between bond strength and spectral band location
Demonstrated the application of iSpartan in understanding functional groups

Abstract

In this work, a two-part molecular modelling activity for an introductory infrared spectroscopy undergraduate laboratory experiment is described. iSpartan, a molecular modelling app available for hand held devices, is used to illustrate the relationships of bond strength and atomic mass with spectral band location. The foundational functional groups are also examined using the app, which results in a student generated IR correlation table.

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