Table 1. Selected bond lengths (Å).
| Cd1—N11 | 2.248 (4) |
| Cd1—N13 | 2.250 (5) |
| Cd1—N1 | 2.347 (5) |
| Cd1—N12 | 2.351 (5) |
| Cd1—O1i | 2.388 (3) |
| Cd1—O1 | 2.619 (3) |
| Cd2—N23 | 2.247 (5) |
| Cd2—N21 | 2.250 (5) |
| Cd2—N2 | 2.283 (6) |
| Cd2—N22 | 2.374 (4) |
| Cd2—O3 | 2.386 (3) |
| Cd2—O3ii | 2.676 (4) |
Symmetry codes: (i)
; (ii)
.