Table 1. Selected geometric parameters (Å, °).

Ag—S1	2.5596 (7)	C1—S1	1.698 (3)
Ag—S2	2.5103 (6)	C3—S2	1.698 (3)
Ag—S3	2.5374 (7)	C5—S3	1.660 (3)
Ag—S1i	2.8188 (7)
S1—Ag—S2	112.49 (2)	S2—Ag—S3	127.43 (2)
S1—Ag—S3	114.64 (2)	S2—Ag—S1i	99.56 (2)
S1—Ag—S1i	91.60 (2)	S3—Ag—S1i	101.08 (2)

Symmetry code: (i) .