Summary
Electron Paramagnetic Resonance (EPR) otherwise known as electron spin resonance, is a spectroscopic technique that is used to study chemical species with unpaired electrons in atoms – paramagnetic ions. EPR spectroscopy plays a significant role in the understanding of different types of samples: organic and inorganic radicals, transition metals complexes, and some biomolecules, etc., in different states (solid, fluid solution, etc.), at different temperatures. The results of the EPR spectral analysis of compounds such as: DPPH (at room temperature), and MnCl2/H2O were recorded at Dr. Petasis’s Lab. Furthermore, the g-values of these compounds were calculated, which helped us predict the structure of the compound as well as the nature of the unpaired electron. Moreover, we discuss some of the foremost reasons why there was a difference in EPR spectra and resonance magnetic field in the samples that were kept in different conditions.