ntroduction NMR is the most powerful tool available for organic structure determination It is used to study a wide variety of nuclei 13 19 CNF > Chapter 13Chapter 13 2 Introduction • NMR is the most powerful tool available for organic structure determination. • It is used to study a wide variety of nuclei: ➢1H ➢13C ➢15N ➢19F ➢31P =>