Table 7.
List of 625 possible C—O (or C—S) rotamers in 70 formulas (375 non-enantiomeric rotamers).
| Rotamers per formula |
Number of rotamers |
||||||
|---|---|---|---|---|---|---|---|
| Number of elements | Empirical formula (Distribution of elements) | Number of empirical formulas | Rotamer structure | Inclusive of enantiomers | Exclusive of enantiomers | Inclusive of enantiomers | Exclusive of enantiomers |
| 1 | COα4 (4) | 5 | α3C−Oα | 1 | 1 | 5 | 5 |
| 2 | COαβ3 (1–3) | 20 | αβ2C−Oβ | 3 | 2 | 60 | 40 |
| β3C−Oα | 1 | 1 | 20 | 20 | |||
| COα2β2 (2–2) | 10 | αβ2C−Oα α2βC−Oβ | 6 | 4 | 60 | 40 | |
| 3 | COαβγ2 (1–1–2) | 30 | αβγC*−Oγ | 6 | 3 | 180 | 90 |
| αγ2C−Oβ βγ2C−Oα | 6 | 4 | 180 | 120 | |||
| 4 | COαβγδ (1–1–1–1) | 5 | αβγC*−Oδ αβδC*−Oγ αγδC*−Oβ βγδC*−Oα | 24 | 12 | 120 | 60 |