Table 2. Hydrogen-bond geometry (Å, °).

Cg1 is the centroid of chelate ring Pt1/S1/N2/N3/C9.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C17—H17A⋯O2	0.96	2.53	3.438 (4)	157
N4—H1N4⋯O5i	0.83 (3)	2.21 (3)	3.042 (2)	174 (2)
C17—H17B⋯N3ii	0.96	2.46	3.336 (3)	152
C17—H17C⋯O3iii	0.96	2.54	3.354 (4)	143
C12—H12A⋯Cg1iii	0.97	2.95	3.669 (3)	131

Symmetry codes: (i) ; (ii) ; (iii) .