Table 1.
Selected bond lengths (Å), bond angles (°) and torsion angles (°) of 6–8.
| 6 | 7 | 8 | |
|---|---|---|---|
| Bond Lengths (Å) | |||
| Ru-N1 | 2.114(3) | 2.114(3) | 2.114(2) |
| Ru-N2 | 2.097(3) | 2.103(3) | 2.102(2) |
| Ru-N3 | 2.100(3) | 2.090(3) | 2.097(2) |
| Ru-N4 | 2.120(3) | 2.105(3) | 2.108(2) |
| Ru-N5 | 2.109(3) | 2.106(3) | 2.097(2) |
| Ru-N6 | 2.099(3) | 2.112(3) | 2.112(2) |
| Bond Angles (°) | |||
| N1-Ru-N2 | 79.45(11) | 79.73(10) | 79.06(9) |
| N1-Ru-N3 | 100.6(1) | 100.96(11) | 101.40(9) |
| N1-Ru-N4 | 178.35(11) | 178.86(11) | 177.52(9) |
| N1-Ru-N5 | 95.9(1) | 95.99(10) | 96.07(9) |
| N1-Ru-N6 | 81.86(10) | 80.24(11) | 82.05(9) |
| N2-Ru-N3 | 94.57(10) | 94.56(10) | 93.35(9) |
| N2-Ru-N4 | 102.1(1) | 100.78(10) | 103.19(9) |
| N2-Ru-N5 | 170.3(1) | 171.59(10) | 171.30(9) |
| N2-Ru-N6 | 92.78(10) | 94.05(10) | 94.03(9) |
| N3-Ru-N4 | 79.88(11) | 80.04(11) | 79.62(9) |
| N3-Ru-N5 | 94.66(10) | 93.36(10) | 94.69(9) |
| N3-Ru-N6 | 172.56(10) | 171.39(10) | 172.34(9) |
| N4-Ru-N5 | 82.49(10) | 83.38(10) | 81.57(9) |
| N4-Ru-N6 | 97.46(10) | 98.69(10) | 96.67(9) |
| N5-Ru-N6 | 78.06(10) | 78.02(10) | 78.07(10) |
| Torsion Angles (°) | |||
| N1-C6-C7-N2 | 2.1(4) | 1.2(5) | −2.2(4) |
| Ru-N1-C2-C3 | −167.4(3) | −167.1(3) | 163.2(2) |
| Ru-N2-C11-C10 | 164.0(2) | 165.9(3) | −162.8(2) |
| N3-C20-C21-N4 | 1.8(5) | 2.0(4) | −4.0(4) |
| Ru-N3-C16-C17 | 169.4(3) | 168.7(3) | −171.0(2) |
| Ru-N4-C25-C24 | −165.6(2) | −167.8(2) | 162.3(2) |
| N5-C33-C34-N6 | 1.8(4) | 3.0(5) | −2.3(4) |
| Ru-N5-C29-C30 | 176.0(3) | 175.3(3) | −177.4(2) |
| L1 bend a | 22.6 | 22.6 | 22.7 |
| L2 bend b | 21.4 | 19.5 | 21.6 |
a
L1 bend = average angle (N3-Ru-C13/C14) – 90°; L1 – dmphen where L is N1 and N2
b
L2 bend = average angle (N2-Ru-C27/C28) – 90°; L2 – dmphen where L is N3 and N4