Table 2. Hydrogen-bond geometry (, ).

DHA	DH	HA	D A	DHA
N3H31O2i	0.82(2)	2.13(3)	2.914(2)	162(2)
N3H32O7i	0.92(3)	2.35(2)	3.261(2)	171(2)
O4H41O7ii	0.75(2)	2.04(2)	2.7890(17)	173(3)
O4H42O8	0.76(3)	1.89(3)	2.6547(18)	175(3)
O5H51O7	0.80(2)	1.83(2)	2.6264(17)	171(3)
O5H52O1iii	0.74(2)	2.05(2)	2.7610(17)	164(2)
O6H61O3iii	0.75(3)	2.05(3)	2.7993(19)	170(3)
O6H62N1iv	0.76(3)	2.17(3)	2.918(3)	170(3)
C11H11O7i	0.93	2.49	3.415(2)	177

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) .