Table 1. Torsional Angles Taken from Reference Structures Deposited in the CSD (OMIVUB27 and OFIQUR26)a.
|
S enantiomer torsion angle in Lev
(deg) |
R enantiomer torsional angle in
Eti (deg) |
||
|---|---|---|---|
| C3–C4–N1–C6 | 163.9(4) | C2–C1–N1–C5 | 170.55(8) |
| O1–C1–N1–C6 | 6.0(6) | O1–C4–N1–C5 | –4.9(1) |
| N1–C6–C5–O2 | –166.9(3) | N1–C5–C6–O2 | 146.74(9) |
| N1–C6–C7–C8 | –54.5(5) | N1–C5–C7–C8 | 58.2(1) |
| C5–C6–C7–C8 | 176.4(4) | C6–C5–C7–C8 | –176.07(9) |
a
The information for the R enantiomer is taken from the molecule in the racemic crystal; hence, all values would be inverted for the S enantiomer.