Table 1.
Experimental and DFT-Predicted 1H HFI for Imidazole-Type Radicals
| molecule | model | aiso 2-C 1H (MHz) | aiso 4-C 1H (MHz) | aiso 5-C 1H (MHz) |
|---|---|---|---|---|
| imidazole+ (exp)55 | 37.0 | 30.0 | 30.5 | |
| imidazole | A | −40.3 | −29.5 | −29.5 |
| imidazole+ | B | −37.4 | −28.4 | −35.6 |
| BzaF radical (this work) | −38.2 | −33.1 | n.a. | |
| 5-amino-Im | C | −29.5 | −24.3 | n.a. |
| 5-amino-Im+ 1-NH | D | −34.1 | −30.1 | n.a. |
| 1-N-methyl-5-amino-Im | G | −34.4 | −30.3 | n.a. |
| 1-N-glyceraldehyde-5-amino-Im | J | −32.0 | −25.5 | n.a. |
| 1-N-methanol-5-amino-Im | L | −33.0 | −29.6 | n.a. |