Table 4.

Intermolecular H···π and π–π interactions in the crystal of 6a.

C–H···π interactions
C–H···pln	Dpln (Å)	α (°)	βpln (°)
C20–H20···C(13–18)a	2.93	116	85.8
C18–H18···C(19–24)b	2.95	109	78.7
C14–H14···C(5–10)a	2.79	143	39.5
π···π interactions
pln···pln	d (Å)		βpln (°)
C(4–12)···C(4–12)a	3.52		0 within s.d.
C(4–12)···C(4–12)b	3.56		0 within s.d.

^aSymmetry equivalent atoms are given by −x, 1−y, −z. ^bSymmetry equivalent atoms are given by (ii) 1−x, 1−y, −z.