NMR to Molecule

Topic Page

Questions

• How can I interpret complicated NMR spectra?
• Are DEPT techniques important for structural elucidation?
• What is the diference between the most common two-dimensional NMR techniques: COSY and HETCOR?
• What information do we get from analyzing 2D NMR spectra?
• What are the chemical shift ranges for #N^1NMR#?
• What are the chemical shift ranges for #C^13NMR#?
• Why should the proton nuclei in different compounds behave differently in the NMR experiment ?
• How is the magnitude or intensity of NMR resonance signals displayed along the vertical axis of a spectrum?
• When we talk about an 1D-NMR spectrum (2-dimensional graph), what does the ordinate axis show?
• When we talk about an 1D-NMR spectrum (2-dimensional graph), what does the abcissa axis show?
• When we talk about a two-dimensional spectrum (3-dimensional graph) what does the third dimension show?
• The IR spectrum shows a peak at #"1720 cm"^(-1)#, and the #""^(1) "H"# #"NMR"# shows a doublet near #"1.10 ppm"#, a singlet at #"2.10 ppm"#, and a septet at #"2.50 ppm"#. What is the compound?