Table 1. Hydrogen-bond geometry (, ).
Cg1 and Cg3 are the centroids of the nitrobenzene ring C1C6 and the phenyl ring C16C21, respectively.
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| C17H17Cg1i | 0.93 | 2.93 | 3.637(2) | 133 |
| C20H20Cg3ii | 0.93 | 2.90 | 3.565(2) | 129 |
Symmetry codes: (i)
; (ii)
.