Table 1. Selected geometric parameters (Å, °).
| Zn1—N1A | 1.958 (4) | Zn2—N2B | 2.004 (5) |
| Zn1—N2A | 1.966 (5) | Zn2—O1B | 2.017 (4) |
| Zn1—O2A | 1.974 (4) | Zn2—O2B | 2.045 (4) |
| Zn1—O1A | 2.025 (4) | Zn2—O6B | 2.514 (4) |
| Zn1—O4A | 2.727 (6) | Zn2—O4B | 2.661 (4) |
| Zn2—N1B | 1.990 (4) | ||
| N1A—Zn1—N2A | 144.05 (19) | N1B—Zn2—O2B | 101.90 (17) |
| N1A—Zn1—O2A | 112.56 (17) | N2B—Zn2—O2B | 92.60 (18) |
| N2A—Zn1—O2A | 94.98 (17) | O1B—Zn2—O2B | 102.98 (17) |
| N1A—Zn1—O1A | 95.04 (17) | N1B—Zn2—O6B | 86.02 (16) |
| N2A—Zn1—O1A | 96.25 (17) | N2B—Zn2—O6B | 76.39 (17) |
| O2A—Zn1—O1A | 110.72 (18) | O1B—Zn2—O6B | 85.76 (16) |
| N1A—Zn1—O4A | 71.83 (18) | O2B—Zn2—O6B | 167.48 (16) |
| N2A—Zn1—O4A | 84.34 (17) | N1B—Zn2—O4B | 73.58 (16) |
| O2A—Zn1—O4A | 93.49 (18) | N2B—Zn2—O4B | 83.20 (17) |
| O1A—Zn1—O4A | 155.58 (17) | O1B—Zn2—O4B | 164.14 (14) |
| N1B—Zn2—N2B | 152.5 (2) | O2B—Zn2—O4B | 90.42 (15) |
| N1B—Zn2—O1B | 95.08 (17) | O6B—Zn2—O4B | 82.46 (14) |
| N2B—Zn2—O1B | 104.33 (18) |