Table 1. Hydrogen-bond geometry (, ).

DHA	DH	HA	D A	DHA
O1WH11O3i	0.84(5)	1.94(5)	2.717(5)	153(5)
O1WH21O6ii	0.85(3)	1.95(3)	2.778(4)	168(5)
N1O1iii			2.942(5)
N1O6ii			3.036(5)
N1O3iv			2.914(5)
N1O8v			2.943(5)
N1O5vi			2.865(5)
N1O4			2.866(5)

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