| Configuration |
|
|
|
|
| Free NO2 | 0 | 0.42 | −0.21 | −0.21 |
| M1 | −0.29 | 0.21 | −0.25 | −0.25 |
| M2 | −0.16 | 0.34 | −0.25 | −0.25 |
| M3 | −0.23 | 0.33 | −0.27 | −0.29 |
| M4 | −0.28 | 0.23 | −0.26 | −0.25 |