Table 2. Selected Bond Lengths (Å) and Angles (°) of Copper and Gold Amide Complexes 1–4a.
| M–C1 (Å) | M–N2 (Å) | C1···N2 (Å) | angle (°) C1–M–N2 | torsion angle (°) N1–C1–N2–C28 | N2 deviation from M1···C28···C39 (Å) | sum of the angles around N2, (γ) (°) | |
|---|---|---|---|---|---|---|---|
| CMA1 | 1.994(3) | 2.027(2) | 4.021(3) | 178.6(1) | 17.1(1) | 0.006(3) | 359.8(2) |
| 1 | 2.001(5) | 2.051(4) | 4.052(6) | 178.7(2) | 20.2(6) | 0.030(5) | 359.9(2) |
| 2·triclinic | 1.891(5) | 1.885(3) | 3.755(6) | 168.1(1) | 86.3(5) | 0.061(3) | 359.4(4) |
| 2·monoclinic | 1.882(2) | 1.877(2) | 3.756(3) | 174.8(1) | 82.5(2) | 0.099(2) | 358.1(3) |
| 3·benzene | 1.988(3) | 2.052(3) | 4.040(5) | 178.9(1) | 63.5(4) | 0.338(3) | 346.9(3) |
| 3·CH2Cl2 | 1.995(3) | 2.055(3) | 4.047(4) | 176.0(1) | 69.2(3) | 0.320(3) | 347.9(3) |
| 3 desolvated | 1.981(10) | 2.037(8) | 4.010(13) | 172.8(4) | 75.2(1) | 0.320(10) | 348.0(7) |
| 4 | 1.992(4) | 2.051(3) | 4.036(5) | 173.2(1) | 25.5(4) | 0.389(4) | 341.8(4) |
a
The values for the complexes 2 (triclinic, P-1), 2 (monoclinic, P21/c), 3·benzene, and solvent free complex 3 (monoclinic, P21/c) are the average for the independent molecules in the unit cell.