Table 2. Hydrogen-bond geometry (Å, °) for 5-MeO-DPT fumarate .

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O3	0.98 (2)	1.68 (2)	2.6588 (17)	175 (2)
N1—H1⋯O4i	0.86 (2)	1.91 (3)	2.757 (2)	171 (2)

Symmetry code: (i) -x+1, -y+2, -z+1.