Table 1. Hydrogen-bond geometry (, ).

DHA	DH	HA	D A	DHA
O7BH7O19B i	0.90(8)	1.86(8)	2.738(4)	164(8)
O8BH8O4C i	0.77(6)	1.90(6)	2.645(5)	161(6)
O1WH1BO9B	0.83(3)	2.50(6)	3.127(6)	133(7)
O1WH1AO8W	0.84(3)	2.10(3)	2.930(9)	170(8)
O2WH2AO15B	0.87(3)	1.88(3)	2.728(6)	166(8)
O2WH2BO11B ii	0.86(3)	2.23(5)	2.975(6)	145(8)
O3WH3AO3C iii	0.84(3)	1.83(3)	2.673(5)	177(10)
O3WH3BO7W	0.83(3)	2.09(5)	2.875(7)	158(8)
O4WH4AO13B i	0.83(3)	1.88(3)	2.680(5)	162(7)
O4WH4BO14B iv	0.83(3)	2.10(4)	2.850(5)	151(7)
O5WH5AO2W v	0.87(3)	1.84(3)	2.710(8)	175(8)
O5WH5BO24T vi	0.84(3)	2.26(5)	2.972(6)	142(7)
O6WH6AO5C iv	0.97	1.81	2.755(5)	163
O6WH6BO10B v	0.97	2.04	2.755(5)	129
O7WH7AO7B iii	0.85(3)	2.07(4)	2.891(5)	163(8)
O7WH7BO6C v	0.84(3)	2.27(6)	2.885(5)	130(6)
O8WH8AO5W v	0.86(3)	1.98(5)	2.795(7)	159(10)
O8WH8BO19B vii	0.86(3)	2.22(4)	3.031(6)	156(8)

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