Table 1. Selected Average Bond Lengths and Angles and Infrared Spectral Data for [Fe(bpy)2(CN)2] and [Fe(bpy)2(BCF)2].
| [Fe(bpy)2(CN)2]a | [Fe(bpy)2(BCF)2] | |
|---|---|---|
| C≡N | 1.168(5) Å | 1.153(3) Å |
| Fe–C | 1.907(4) Å | 1.877(2) Å |
| Fe–Ntrans | 1.996(3) Å | 1.995(2) Å |
| Fe–Ncis | 1.958(3) Å | 1.964(2) Å |
| C≡N–B | 171.9(2)° | |
| νC≡N | 2070 and 2077 cm–1 | 2166 and 2181 cm–1 |
Crystal structure data for [Fe(bpy)2(CN)2] was obtained from ref (45).