Table 5. Selected geometric parameters (Å, °) for 3.
| Au1—Cl1 | 2.2733 (8) | Au2—Cl5 | 2.2794 (8) |
| Au1—Cl4 | 2.2792 (9) | Au2—Cl6 | 2.3052 (8) |
| Au1—Cl2 | 2.2882 (9) | Au3—Cl8 | 2.2837 (9) |
| Au1—Cl3 | 2.3003 (8) | I1—Cl10 | 2.5574 (9) |
| Cl1—Au1—Cl4 | 89.87 (3) | Cl5—Au2—Cl6i | 88.49 (3) |
| Cl1—Au1—Cl2 | 90.75 (3) | Cl6—Au2—Cl6i | 180.0 |
| Cl4—Au1—Cl2 | 177.70 (3) | Cl7ii—Au3—Cl7 | 180.00 (4) |
| Cl1—Au1—Cl3 | 179.16 (3) | Cl7—Au3—Cl8ii | 89.72 (3) |
| Cl4—Au1—Cl3 | 89.40 (3) | Cl7—Au3—Cl8 | 90.28 (3) |
| Cl2—Au1—Cl3 | 89.96 (3) | Cl8ii—Au3—Cl8 | 180.0 |
| Cl5—Au2—Cl5i | 180.0 | Cl10—I1—Cl10iii | 180.0 |
| Cl5—Au2—Cl6 | 91.51 (3) | ||
| C12—C13—C14—C17 | −176.0 (3) | C27—C24—C25—C26 | 178.0 (3) |
| C17—C14—C15—C16 | 175.6 (3) | C32—C33—C34—C37 | −174.8 (3) |
| C22—C23—C24—C27 | −178.0 (3) | C37—C34—C35—C36 | 174.3 (3) |
Symmetry codes: (i) 
; (ii) 
; (iii) 
.