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Torsion angle values describing conformational states of bifendate molecules in four forms studied.
| Form | ∠C6–C1–C7–C8 | ∠C15–O3–C4–C3 | ∠C1–C2–C13–O1 | ∠C7–C12–C19–O9 | ∠C18–O8–C10–C11 |
|---|---|---|---|---|---|
| B (A/C) | 69.3(3)/−69.3(3) | −6.4(3)/5.5(3) | 21.8(4)/−25.1(4) | 24.4(4)/−23.5(3) | −3.4(3)/7.9(3) |
| C | 120.7(3) | 9.5(6) | −25.6(5) | −28.7(5) | −5.8(5) |
| D | −121.3(2) | −11.8(4) | 27.8(3) | 27.2(3) | −1.6(4) |
| E | 122.1(3) | −7.2(5) | −30.2(4) | −25.9(4) | 9.6(5) |
