Table 4. Experimental and Predicted 11B NMR Chemical Shifts (in ppm) for Selected Boron Containing Moleculesa.
Exp.b | 5c | 7d | 5e | 7f | |
---|---|---|---|---|---|
δpred. | |||||
1 | 72.2 | 67.32 | 67.89 | 68.22 | 67.94 |
2 | 81.1 | 76.99 | 81.02 | 78.67 | 81.83 |
3 | 40.0 | 37.88 | 38.83 | 38.38 | 38.76 |
4 | 72.0 | 66.94 | 66.90 | 67.82 | 66.90 |
5 | 65.3 | 61.98 | 64.78 | 62.80 | 64.77 |
6 | 55.2 | 51.21 | 51.06 | 51.88 | 51.02 |
7 | 33.0 | 32.72 | 31.82 | 33.14 | 31.74 |
8 | 31.6 | 31.76 | 33.38 | 32.17 | 33.29 |
9 | 30.8 | 32.31 | 32.69 | 32.73 | 32.60 |
10 | 67.6 | 61.37 | 64.30 | 62.18 | 64.30 |
11 | 28.1 | 30.43 | 25.27 | 30.85 | 25.16 |
12 | 62.7 | 59.53 | 62.98 | 60.32 | 62.97 |
13 | 45.3 | 43.30 | 45.44 | 43.86 | 45.39 |
14 | 21.3 | 21.10 | 17.71 | 21.37 | 17.59 |
15 | 3.0 | 3.51 | 1.23 | 3.52 | 1.06 |
16 | 2.7 | 3.07 | 0.86 | 3.11 | 0.72 |
17 | –17.5 | –17.29 | –17.03 | –17.41 | –17.07 |
18 | –16.6 | –18.08 | –17.92 | –18.25 | –18.10 |
19 | –16.1 | –12.91 | –12.52 | –13.19 | –12.79 |
20 | 84 | 79.37 | 80.94 | 80.591 | 81.29 |
21 | 82.3 | 80.70 | 77.75 | 82.17 | 78.24 |
Details of the calculations can be found in Tables S9 and S10 in the Supporting Information.
Experimental data.50
The difference between experimental values and calculated chemical shifts with the linear regression model by method 5 (the SMD set).
The difference between experimental values and calculated chemical shifts with the linear regression model by method 7 (the SMD set).
The difference between experimental values and calculated chemical shifts with the linear regression model by method 5 (the CPCM set).
The difference between experimental values and calculated chemical shifts with the linear regression model by method 7 (the CPCM set).