Table 1. Selected geometric parameters (Å, °).
| Au1—S1 | 2.3125 (9) | Br1⋯Br1i | 3.7424 (8) |
| Au1⋯Au2 | 2.9622 (3) | P1—S1 | 2.0097 (12) |
| Au2—Br1 | 2.3746 (5) | C1—C1ii | 1.528 (6) |
| S1—Au1—S1iii | 178.43 (4) | Br1—Au2⋯Au1 | 93.201 (11) |
| S1—Au1⋯Au2 | 90.78 (2) | Au2—Br1⋯Br1i | 126.21 (2) |
| Br1—Au2—Br1iii | 173.60 (2) | P1—S1—Au1 | 98.34 (4) |
Symmetry codes: (i)
; (ii)
; (iii)
.