Table 2.
Selected bond lengths (Å) and bond angles (°) for complexes 1, 2, and 3.
| Complex 1 | |||||
| Ni(1)–O(3) | 1.990(2) | Ni(1)–N(1) | 1.991(3) | Ni(1)–O(1) | 2.068(3) |
| Ni(1)–N(3) | 2.075(3) | Ni(1)–N(2) | 2.116(3) | Ni(1)–O(4) | 2.117(3) |
| O(3)–Ni(1)–N(1) | 92.43(11) | O(3)–Ni(1)–O(1) | 173.63(10) | N(1)–Ni(1)–O(1) | 81.29(11) |
| O(3)–Ni(1)–N(3) | 93.55(11) | N(1)–Ni(1)–N(3) | 172.77(11) | O(1)–Ni(1)–N(3) | 92.64(11) |
| O(3)–Ni(1)–N(2) | 91.84(11) | N(1)–Ni(1)–N(2) | 96.26(12) | O(1)–Ni(1)–N(2) | 87.84(10) |
| N(3)–Ni(1)–N(2) | 79.50(12) | O(3)–Ni(1)–O(4) | 89.99(11) | N(1)–Ni(1)–O(4) | 92.72(11) |
| O(1)–Ni(1)–O(4) | 91.34(11) | N(3)–Ni(1)–O(4) | 91.33(11) | N(2)–Ni(1)–O(4) | 170.75(11) |
|
| |||||
| Complex 2 | |||||
| Ni(1)–N(1) | 1.987(3) | Ni(1)–O(3) | 1.997(3) | Ni(1)–O(1) | 2.068(3) |
| Ni(1)–N(3) | 2.083(3) | Ni(1)–O(4) | 2.100(3) | Ni(1)–N(2) | 2.129(3) |
| N(1)–Ni(1)–O(3) | 89.99(12) | N(1)–Ni(1)–O(1) | 81.80(12) | O(3)–Ni(1)–O(1) | 171.26(10) |
| N(1)–Ni(1)–N(3) | 175.09(12) | O(3)–Ni(1)–N(3) | 94.34(11) | O(1)–Ni(1)–N(3) | 93.75(11) |
| N(1)–Ni(1)–O(4) | 90.64(13) | O(3)–Ni(1)–O(4) | 92.52(12) | O(1)–Ni(1)–O(4) | 90.56(12) |
| N(3)–Ni(1)–O(4) | 91.50(13) | N(1)–Ni(1)–N(2) | 98.70(12) | O(3)–Ni(1)–N(2) | 90.17(11) |
| O(1)–Ni(1)–N(2) | 88.13(11) | N(3)–Ni(1)–N(2) | 78.99(12) | O(4)–Ni(1)–N(2) | 170.29(12) |
|
| |||||
| Complex 3 | |||||
| Ni(1)–N(1) | 2.000(6) | Ni(1)–O(3) | 2.003(5) | Ni(1)–O(1) | 2.053(5) |
| Ni(1)–N(3) | 2.076(6) | Ni(1)–N(2) | 2.131(6) | Ni(1)–O(5) | 2.146(5) |
| Ni(2)–N(4) | 1.982(6) | Ni(2)–O(8) | 1.992(5) | Ni(2)–O(6) | 2.059(5) |
| Ni(2)–N(6) | 2.075(7) | Ni(2)–O(10) | 2.113(5) | Ni(2)–N(5) | 2.116(6) |
| Ni(3)–N(7) | 1.995(7) | Ni(3)–O(13) | 2.008(5) | Ni(3)–O(11) | 2.056(6) |
| Ni(3)–N(8) | 2.084(7) | Ni(3)–O(15) | 2.099(6) | Ni(3)–N(9) | 2.114(7) |
| N(1)–Ni(1)–O(3) | 92.3(2) | N(1)–Ni(1)–O(1) | 82.0(2) | O(3)–Ni(1)–O(1) | 173.3(2) |
| N(1)–Ni(1)–N(3) | 169.9(2) | O(3)–Ni(1)–N(3) | 93.2(2) | O(1)–Ni(1)–N(3) | 92.9(2) |
| N(1)–Ni(1)–N(2) | 92.6(2) | O(3)–Ni(1)–N(2) | 96.1(2) | O(1)–Ni(1)–N(2) | 87.8(2) |
| N(3)–Ni(1)–N(2) | 78.4(2) | N(1)–Ni(1)–O(5) | 95.3(2) | O(3)–Ni(1)–O(5) | 90.31(18) |
| O(1)–Ni(1)–O(5) | 86.70(19) | N(3)–Ni(1)–O(5) | 93.2(2) | N(2)–Ni(1)–O(5) | 169.7(2) |
| N(4)–Ni(2)–O(8) | 92.7(2) | N(4)–Ni(2)–O(6) | 81.3(2) | O(8)–Ni(2)–O(6) | 174.0(2) |
| N(4)–Ni(2)–N(6) | 171.7(2) | O(8)–Ni(2)–N(6) | 93.3(2) | O(6)–Ni(2)–N(6) | 92.7(2) |
| N(4)–Ni(2)–O(10) | 93.9(2) | O(8)–Ni(2)–O(10) | 90.41(19) | O(6)–Ni(2)–O(10) | 89.3(2) |
| N(6)–Ni(2)–O(10) | 91.6(2) | N(4)–Ni(2)–N(5) | 95.0(2) | O(8)–Ni(2)–N(5) | 90.8(2) |
| O(6)–Ni(2)–N(5) | 90.5(2) | N(6)–Ni(2)–N(5) | 79.3(3) | O(10)–Ni(2)–N(5) | 170.9(3) |
| N(7)–Ni(3)–O(13) | 91.9(2) | N(7)–Ni(3)–O(11) | 80.3(3) | O(13)–Ni(3)–O(11) | 171.9(2) |
| N(7)–Ni(3)–N(8) | 169.6(3) | O(13)–Ni(3)–N(8) | 96.3(2) | O(11)–Ni(3)–N(8) | 91.6(2) |
| N(7)–Ni(3)–O(15) | 94.9(3) | O(13)–Ni(3)–O(15) | 89.3(2) | O(11)–Ni(3)–O(15) | 89.1(2) |
| N(8)–Ni(3)–O(15) | 91.6(3) | N(7)–Ni(3)–N(9) | 95.4(3) | O(13)–Ni(3)–N(9) | 91.4(2) |
| O(11)–Ni(3)–N(9) | 91.6(2) | N(8)–Ni(3)–N(9) | 78.1(3) | O(15)–Ni(3)–N(9) | 169.6(3) |