Spectra Crossword

5. a split caused by two neighbouring protons
6. NMR shows one hydrogen environment, integration of 6. What compound is this? (Hint: is a ring)
8. Has a C=O stretch ~1720 cm⁻¹ and a singlet ~9–10 ppm in NMR
10. Abbreviation for a tool that determines saturation
12. NMR shows triplet and quartet pattern. What functional group might this be? (Hint: alkyl)
15. Reference compound used in NMR
17. Unit on x-axis of IR spectrum
20. NMR shows chemical shift at 9.8/ppm. What functional group is it most likely?
21. IHD of ethyne
22. Group with a very strong, broad intensity 2500-3000 and a strong dip ~1730

1. A piece of a molecule broken off in mass spectrometry
2. Hydrocarbon with 2 hydrogen environments and 3 carbons
3. Spectroscopy that shows functional group vibrations
4. Strong IR peak at 1725/cm, NMR shows no OH. What group is it?
7. Functional group with medium, two bands intensity 3300-3500
9. A split caused by a neighboring proton
11. NMR feature that gives you amount of protons per signal
13. Group that gives a strong peak in 3200-3600/cm
14. Unit of measurement for chemical shift
16. a split caused by no neighboring protons
18. Empirical Formula: C2H5, Molecular mass: 58. What’s the molecular formula?
19. Compound with IHD = 0