Table 2. Geometric parameters of stacking (, ).
| centroid (2-chloropyrazine)centroid (tosylate anion) | 3.7098(1) |
|---|---|
| centroid (2-chloropyrazine)centroid (tosylate anion)centroid (2-chloropyrazine) | 130.283(1) |
| centroid (2-chloropyrazine)centroid (tosylate anion) | 3.7098(1) |
|---|---|
| centroid (2-chloropyrazine)centroid (tosylate anion)centroid (2-chloropyrazine) | 130.283(1) |