Table 1. Hydrogen-bond geometry (, ).

DHA	DH	HA	D A	DHA
O4H4DO3	0.83(2)	2.04(2)	2.867(2)	171(2)
O3H3CO5	0.90(2)	1.83(2)	2.725(2)	174(2)
O3H3DO6i	0.85(3)	2.08(3)	2.912(2)	169(2)
O5H5CO2ii	0.83(3)	2.09(3)	2.901(2)	165(2)
O6H6DO4	0.86(2)	1.95(2)	2.787(2)	167(2)
O6H6EO3iii	0.82(3)	2.03(3)	2.845(2)	170(2)
O5H5DN1	0.84(3)	2.05(3)	2.881(2)	170(2)
O4H4EN1ii	0.92(3)	2.06(3)	2.959(2)	165(3)

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