| Lewis | Non-Lewis |
1. H1-N3
|
28. H1-N3* |
|
2. H2-N3 |
29. H2-N3* |
|
3. N3-C4 |
30. N3-C4* |
|
4. C4-O5 (pi) |
31. C4-O5* (pi*) |
|
5. C4-O5 (sigma) |
32. C4-O5* (sigma*) |
|
6. C4-H6 |
33. C4-H6* |
|
10. N3 (lp) |
|
|
11. O5 (lp, s-type) |
|
|
12. O5 (lp, p-type) |