Table 4. IR Frequencies (cm–1) of the Terminal (νtCO) and Bridging (νbCO) Carbonyl Groups for 1n– in CH3CN as a Function of Cluster Charge n.
| cluster charge n | νtCO | νbCO |
|---|---|---|
| –5 | 2010 | 1868 |
| –6 | 1993 | 1856 |
| –7 | 1978 | 1843 |
| –8 | 1959 | 1830 |
| –9 | 1942 | 1819 |
| cluster charge n | νtCO | νbCO |
|---|---|---|
| –5 | 2010 | 1868 |
| –6 | 1993 | 1856 |
| –7 | 1978 | 1843 |
| –8 | 1959 | 1830 |
| –9 | 1942 | 1819 |