Chemistry

1. Conformational Isomer 100%
2. Rotational Spectra 80%
3. Molecules 58%
4. Hydrogen Bonding 58%
5. Water Type 55%
6. Gas 50%
7. Rotational Spectroscopy 47%
8. Molecular Beam 43%
9. Fourier Transform Microwave Spectroscopy 36%
10. Fenchone 33%
11. Spectra 31%
12. Tetrahydrothiophene 27%
13. Laser Ablation 27%
14. Ground State 26%
15. Fourier Transform 25%
16. Microwave 23%
17. Rotational Constant 23%
18. Quadrupole Coupling 22%
19. Energy 21%
20. Non-Covalent Interactions 21%
21. Microwave Spectra 21%
22. Vibration 19%
23. Microwave Spectroscopy 18%
24. Limonene 18%
25. Shape 17%
26. Internal Rotation 17%
27. Hydrogen Fluoride 16%
28. Hyperfine Structure 16%
29. Amino Acid 16%
30. Hydrogen 16%
31. Coupling Constant 16%
32. Jet 15%
33. Hydrogen Chloride 14%
34. Quantum Chemistry 14%
35. Group 13%
36. Amino Group 13%
37. Ab Initio Calculation 13%
38. Rotation 12%
39. Quadrupole 12%
40. Rotational Transition 11%
41. Fluorobenzene 11%
42. Born-Oppenheimer Breakdown 11%
43. Anion 11%
44. Substitution Reaction 10%
45. Centrifugal Distortion Constant 10%
46. Ketone 10%
47. Compound Isomer 10%
48. Electric Discharge 10%
49. Reactivity 10%
50. Monoterpenoid 9%