Mass and ESR Spectroscopy: Fundamentals and Spectral Analysis

Understanding molecular structures is a cornerstone of modern chemistry, biochemistry, and materials science. Mass Spectrometry (MS) and Electron Spin Resonance (ESR) spectroscopy are two of the most powerful analytical techniques used to identify unknown compounds and study paramagnetic species. This text-based course provides a clear, step-by-step guide to the fundamental principles, instrumentation, and spectral interpretation of both analytical methods. By completing this course, you will transition from understanding basic atomic and molecular behavior to confidently decoding complex spectral data. You will gain the theoretical foundation and practical analytical skills necessary to analyze chemical samples and succeed in advanced chemistry coursework. What you'll learn: - Understand the foundational physical chemistry behind mass-to-charge separation and electron spin transitions. - Identify the key components of modern spectrometers, including ionization sources, mass analyzers, and microwave resonators. - Analyze fragmentation patterns in mass spectra to deduce the structures of organic molecules. - Calculate the number of lines and hyperfine splitting constants in ESR spectra for organic radicals and transition metal complexes. - Apply systematic workflows to interpret real-world spectral data step-by-step. - Explore modern hyphenated techniques, such as liquid chromatography-mass spectrometry (LC-MS), used in contemporary industrial laboratories. The course begins with essential terminology, basic definitions, and the physical principles of ionization and spin resonance. You will then progress through detailed written explanations of spectral features, fragmentation rules, and coordination chemistry applications, supported by text-based analysis exercises. This course is designed for undergraduate chemistry students, laboratory technicians, and researchers seeking a solid foundation in molecular characterization. No prior experience with mass or ESR spectroscopy is required, making it ideal for beginners. Start reading today to unlock the skills needed to interpret complex molecular spectra.