Table 1. Selected bond lengths (Å).
| Zn1—O1 | 1.954 (4) |
| Zn1—O4i | 1.965 (3) |
| Zn1—N2 | 1.994 (6) |
| Zn1—N4ii | 2.032 (6) |
Symmetry codes: (i) 
; (ii) 
.
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