Table 1. Selected geometric parameters (Å, °).
| Cu1—N1 | 1.973 (3) | Cu2—N2 | 1.980 (3) |
| Cu1—S1 | 2.2630 (10) | Cu2—S3 | 2.2886 (11) |
| Cu1—S2i | 2.3305 (9) | Cu2—S4i | 2.3281 (9) |
| Cu1—S4i | 2.3367 (11) | Cu2—S2 | 2.3357 (11) |
| N1—Cu1—S1 | 119.47 (11) | N2—Cu2—S4i | 99.29 (11) |
| N1—Cu1—S2i | 99.97 (9) | S3—Cu2—S4i | 118.69 (4) |
| S1—Cu1—S2i | 115.68 (4) | N2—Cu2—S2 | 106.03 (13) |
| N1—Cu1—S4i | 105.68 (12) | S3—Cu2—S2 | 115.99 (4) |
| S1—Cu1—S4i | 110.65 (4) | S4i—Cu2—S2 | 102.03 (4) |
| S2i—Cu1—S4i | 103.69 (4) | Cu1ii—S2—Cu2 | 111.28 (4) |
| N2—Cu2—S3 | 112.75 (12) | Cu2ii—S4—Cu1ii | 104.54 (4) |
Symmetry codes: (i) 
; (ii) 
.