Table 2. Selected geometric parameters (Å, °) for 2a.
| Au1—Cl1 | 2.2752 (8) | Au1—Cl2 | 2.2872 (8) |
| Au1—Cl4 | 2.2802 (7) | Au1—Cl3 | 2.2879 (8) |
| Cl1—Au1—Cl4 | 89.91 (3) | Cl4—Au1—Cl3 | 89.80 (3) |
| Cl1—Au1—Cl2 | 89.77 (3) | Cl2—Au1—Cl3 | 90.72 (3) |
| Cl4—Au1—Cl2 | 176.77 (3) | C12—N11—C16 | 112.8 (3) |
| Cl1—Au1—Cl3 | 176.43 (3) | ||
| C12—C13—C14—C17 | −178.9 (3) | C22—C23—C24—C27 | −176.3 (3) |
| C17—C14—C15—C16 | 178.1 (3) | C27—C24—C25—C26 | 177.4 (3) |