Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Torsion angles and least-square planes of aromatic rings of IV and V.
| Molecule | ϕ1 | ϕ2 | ϕ3 | ∠AB |
|---|---|---|---|---|
| IVa | −141.7(2) | 169.45(17) | 91.06(19) | 58.77 |
| IVb | −153.9(2) | 150.24(17) | 72.24(16) | 49.30 |
| IVc | −150.1(2) | −178.22(16) | 75.28(16) | 59.71 |
| Va | −157.7(3) | 175.3(2) | 78.1(2) | 44.53 |
| Vb | −144.4(3) | 173.7(2) | 72.1(2) | 62.80 |
| Vc | −149.7(3) | 161.1(2) | 82.7(2) | 52.79 |
ϕ1 = C2–C10–C11–C12; ϕ2 = C2–C1–C17–C22; ϕ3 = N1–S1–C23–C28.
