Table 2. Geometric parameters of Y—X⋯Cg contacts (Å, °).
| Y—X⋯Cg | X⋯Cg | Y—X⋯Cg | Y⋯Cg |
|---|---|---|---|
| C13—O14⋯Cg2 | 3.2009 (18) | 106.47 (13) | 3.736 (3) |
| C43—O44⋯Cg1 | 3.1434 (18) | 104.52 (13) | 3.649 (3) |
Cg1 and Cg2 are the centroids of the rings defined by C1, C2, C3, C7, C8, C12 and C31, C32, C33, C37, C38, C42, respectively.