Table 3.
Parameters from Fits of CN Spectra
| ligand/substrate | νCN (cm−1) | full width at half-maximum (cm−1) | relative area (%) | statea |
|---|---|---|---|---|
| free | 2232.5 ± 0.2 | 11.2 ± 0.7 | ||
| camphor | 2232.9 ± 0.2 | 12.1 ± 0.5 | ||
| isoborneol | 2228.9 ± 0.2 | 6.6 ± 0.7 | 32 ± 8 | |
| 2234.2 ± 0.2 | 8.8 ± 0.5 | 68 ± 8 | ||
| camphane | 2229.6 ± 0.3 | 5.0 ± 0.4 | 15 ± 2 | |
| 2234.0 ± 0.2 | 6.8 ± 0.4 | 85 ± 2 | ||
| CO | 2227.2 ± 0.1 | 5.7 ± 0.2 | 42 ± 7 | S2 |
| 2232.6 ± 0.4 | 8.4 ± 0.7 | 58 ± 7 | S3 | |
| CO/camphor | 2227.8 ± 0.1 | 6.2 ± 0.1 | 12 ± 1 | S2 |
| 2235.3 ± 0.05 | 8.9 ± 0.1 | 88 ± 1 | S1/S3 | |
| CO/isoborneol | 2228.0 ± 0.4 | 8.3 ± 1.0 | 9 ± 4 | S2 |
| 2234.0 ± 0.3 | 11.3 ± 0.3 | 91 ± 4 | S1 | |
| CO/camphane | 2228.0 ± 0.1 | 6.1 ± 0.2 | 10 ± 0.5 | S2 |
| 2233.9 ± 0.2 | 9.5 ± 0.3 | 90 ± 0.5 | S1 |
a
Assigned state based on our model. See the Supporting Information.