Table 1. Hydrogen-bond geometry (Å, °) for (I) .
Cg1 and Cg2 are the centroids of the C17–C20/O2 and C1–C6 rings, respectively.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H1⋯O1 | 0.910 (19) | 1.977 (18) | 2.7045 (14) | 135.8 (15) |
| N2—H2⋯O1i | 0.883 (18) | 2.014 (18) | 2.8458 (13) | 156.4 (15) |
| C4—H4⋯Cg1ii | 0.955 (17) | 2.941 (17) | 3.7248 (15) | 140.1 (17) |
| C6—H6⋯O1iii | 0.976 (18) | 2.556 (18) | 3.3434 (16) | 137.7 (14) |
| C11—H11⋯Cg2iv | 0.996 (16) | 2.765 (16) | 3.6231 (14) | 144.8 (12) |
Symmetry codes: (i) x, -y+{\script{1\over 2}}, z+{\script{1\over 2}}; (ii) -x+1, y+{\script{1\over 2}}, -z+{\script{1\over 2}}; (iii) -x+1, -y+1, -z+1; (iv) x, y, z+1.