Table 2. Table 2 π–π Stacking interactions (°, Å).

Cgi	Cgj	Dihedral angle	CCD	Interplanar spacing
Cg1	Cg2iv	0.42	3.854 (2)	3.349 (2)
Cg1	Cg4iv	0.35	3.557 (2)	3.354 (2)
Cg3	Cg2iv	0.85	3.612 (2)	3.360 (2)
Cg3	Cg4v	0.36	3.929 (2)	3.453 (2)

CCD is the centroid-to-centroid distance; Cg1 is the centroid of atoms N2/N3/C2/C3/C8; Cg2 is the centroid of atoms N4/N5/C10/C11/C16; Cg3 is the centroid of atoms C3–C8; Cg4 is the centroid of atoms C11–C16. Symmetry codes: (iv) ; (v) .