Table 1. Hydrogen-bond geometry (Å, °) for kadu1697_DFT .

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O21—H22⋯O11	0.98	1.73	2.687	164
O17—H18⋯O16	0.98	1.90	2.581	124
C2—H7⋯O11i	1.09	2.47	3.396	142

Symmetry code: (i) -x+{\script{1\over 2}}, -y+1, z-{\script{1\over 2}}.