Selected bond lengths (Å) and angles (°) for 1a.
| Bond length | |
|---|---|
| Cu1–O1 | 1.9529 (17) |
| Cu1–O1i | 1.9647 (16) |
| Cu1–N1i | 1.970 (2) |
| Cu1–N2 | 1.975 (2) |
| Cu1–O3i | 2.655 (18) |
| Cu1–O4 | 2.504 (16) |
| Bond angle | |
| O1–Cu1–O1i | 78.82 (7) |
| O1–Cu1–N1i | 167.94 (8) |
| O1–Cu1–N2 | 90.55 (8) |
| O1i–Cu1–N1i | 90.30 (8) |
| O1i–Cu1–N2 | 169.36 (8) |
| N1i–Cu1–N2 | 100.32 (8) |
| O4–Cu1–O3i | 160.85 (57) |
| O3i–Cu1–N1i | 91.34 (67) |
| O4–Cu1–O1i | 84.13 (62) |
| O4–Cu1–O1 | 85.41 (62) |
| O4–Cu1–N1i | 98.75 (67) |
| O4–Cu1–N2 | 94.76 (68) |
| O3i–Cu1–O1 | 81.67 (6) |
| O3i–Cu1–O1i | 79.56 (61) |
| O3i–Cu1–N2 | 99.41 (7) |
a
Symmetry code: (i) −x, −y + 2, −z.