Table 1. Comparison of experimental and calculated distances and angles (Å, °) in 1 and 2 .
| 1 | ||
| Ni1—O1 | 2.0622 (14) | 2.07 |
| Ni1—O1W | 2.0831 (15) | 2.10 |
| Ni1—N1 | 2.1019 (14) | 2.12 |
| O2—N2 | 1.2520 (14) | 1.23 |
| O3—N2 | 1.2548 (12) | 1.22 |
| O4—N2 | 1.2537 (12) | 1.27 |
| O1—Ni1—O1W | 90.74 (4) | 93.00 |
| O1—Ni1—N1 | 88.68 (3) | 87.00 |
| O1—Ni1—O1W i | 89.26 (4) | 91.8 |
| O1—Ni1—N1i | 91.32 (3) | 92.3 |
| O1W—Ni1—N1 | 90.00 (4) | 92 |
| O1i—Ni1—O1W | 89.26 (4) | 87.00 |
| O1W—Ni1—N1i | 90.00 (4) | 91.8 |
| O1i—Ni1—N1 | 91.32 (3) | 92.3 |
| O1W i—Ni1—N1 | 90.00 (4) | 91.8 |
| O1i—Ni1—O1W i | 90.74 (4) | 87.5 |
| O1W—Ni1—O1—C2 | −79.99 (10) | 80.02 |
| N1i—Ni1—O1—C2 | −170.01 (10) | 166.70 |
| O1—Ni1—N1—C4 | −29.33 (10) | 31.30 |
| O1—Ni1—N1—C8 | 151.96 (9) | −147.60 |
| O1W i—Ni1—N1—C4 | −118.59 (9) | 114.9 |
| O1W i—Ni1—N1—C8 | 62.70 (9) | −64.00 |
| 2 | ||
| Cu1—O1 | 2.01 | 2.08 |
| Cu1—N1 | 2.02 | 1.99 |
| Cu1—O1i | 2.01 | 2.08 |
| Cu1—N1i | 2.02 | 1.99 |
| Cu2—O2 | 2.05 | 2.08 |
| N2—Cu2—N2ii | 180 | 180.00 |
| O1—Cu1—N1 | 92.39 | 90.60 |
| O1—Cu1—O1i | 180 | 180.00 |
| O3—Cu1—O1—C1 | −93.9 | −98 |
| O1—Cu1—N1—C7 | −151.03 | −153 |
| N2—Cu2—O2—C8 | 151.24 | 148 |
| Cu1—O1—C1—C2 | −37.55. | −40 |
| C7—N1—C3—C2 | 177 | 179 |
| C7—N1—C3—C4 | −0.5 | −0.4 |