Table 7. Hydrogen-bond geometry (Å, °) for 2.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A | 
|---|---|---|---|---|
| C15—H15⋯Br1v | 0.95 | 2.97 | 3.822 (3) | 151 | 
| C14—H14⋯Au2vi | 0.95 | 2.66 | 3.604 (3) | 171 | 
Symmetry codes: (v)  ; (vi)
; (vi)  .
.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A | 
|---|---|---|---|---|
| C15—H15⋯Br1v | 0.95 | 2.97 | 3.822 (3) | 151 | 
| C14—H14⋯Au2vi | 0.95 | 2.66 | 3.604 (3) | 171 | 
Symmetry codes: (v)  ; (vi)
; (vi)  .
.