Table 1.

Hydrogen-bond geometry (Å, °).

Compound	D–H…A	D–H	H…A	D…A	D–H…A
T2
	N1–H1…N5	0.78(5)	2.26(6)	2.646(5)	111(5)
	N4–H4…S3 i	0.80(4)	2.63(4)	3.416(3)	167(4)
	i = 1 − x, −y, 1 − z;
T3
	N1–H1…N5	0.812(18)	2.316(19)	2.6743(17)	107.5(16)
	N1–H1…O27 i	0.812(18)	2.521(18)	3.1757(17)	138.7(14)
	N4–H4…S3 ii	0.855(18)	2.569(18)	3.4098(12)	168.0(15)
	i = 1 − x, −1/2 + y, 1/2 − z; ii = 2 − x, −y, −z;
T5
	N1–H1…N5	0.76(4)	2.34(4)	2.649(3)	106(3)
	N1–H1…S3 i	0.76(4)	2.86(4)	3.522(2)	146(3)
	N4–H4…S3 ii	0.78(4)	2.70(4)	3.447(2)	160(4)
	i = 1/2−x, −1/2 + y, 3/2−z; ii = −x, y, 2 − z;