Table 1. Selected geometric parameters (Å, °).
| Cl4—Na1i | 3.209 (2) | Cl5—B5 | 1.800 (5) |
| Cl5—Na1ii | 3.050 (2) | Cl6—B6 | 1.801 (4) |
| Cl6—Na1ii | 3.031 (2) | Cl7—B7 | 1.792 (5) |
| Cl7—Na1 | 3.179 (2) | Cl8—B8 | 1.783 (4) |
| Cl9—Na1i | 2.975 (2) | Cl9—B9 | 1.803 (4) |
| Cl10—Na1ii | 3.051 (2) | Cl10—B10 | 1.800 (5) |
| Cl12—Na1 | 2.870 (2) | Cl11—B11 | 1.779 (5) |
| S1—O1 | 1.428 (3) | Cl12—B12 | 1.796 (5) |
| S1—O2 | 1.412 (4) | N1—B1 | 1.600 (5) |
| Na1—O1 | 2.428 (4) | N1—C1 | 1.510 (5) |
| Cl2—B2 | 1.785 (5) | N1—C2 | 1.503 (5) |
| Cl3—B3 | 1.797 (4) | N1—C3 | 1.503 (6) |
| Cl4—B4 | 1.800 (5) | ||
| O1—S1—O2 | 116.8 (2) | S1—O1—Na1 | 147.0 (2) |
Symmetry codes: (i) 
; (ii) 
.