Table 2. Comparison of Selected Bond Lengths (Å) and Angles (deg) of Compound 4, cis-[CpFe(CO)2]2 (J),36trans-[Cp*Fe(CO)2]2 (L),39 and [CpFe(CNPh)2]2 (A)12.
| 4 | J | L | A | |
|---|---|---|---|---|
| Fe1–Fe2 | 2.575(3) | 2.531(2) | 2.560(1) | 2.523(1) |
| Fe1–Cterminal | 1.787(2) | 1.730(7) | 1.753(3) | 1.775(6) |
| Cterminal–N/O | 1.176(2) | 1.159(9) | 1.154(3) | 1.161(8) |
| Fe1–Cbridged | 1.914(2) | 1.918(7) | 1.936(2) | 1.934(6) |
| Fe2–Cbridged | 1.956(2) | 1.908(7) | 1.936(2) | 1.905(6) |
| Cbridged–N/O | 1.242(2) | 1.178(9) | 1.172(3) | 1.242(8) |
| Cterminal–Fe1–Cbridged | 89.88(5) | 92.3(3) | 95.2(1) | |
| Fe1–Cterminal–N/O | 173.08(1) | 176.5(8) | 175(8) | 178.4(4) |