Table 2. Selected bond lengths (Å) for (2) .
| Cs1—O1i | 3.071 (2) | Cs2—O7 | 3.109 (2) |
| Cs1—O5 | 3.177 (2) | Cs2—O5ii | 3.159 (2) |
| Cs1—O3ii | 3.351 (3) | Cs2—O3i | 3.297 (2) |
| Cs1—N3 | 3.369 (2) | Cs2—O6ii | 3.396 (2) |
| Cs1—O4ii | 3.464 (2) | Cs2—N2i | 3.401 (2) |
| Cs1—O8iii | 3.514 (2) | Cs2—O2iv | 3.811 (2) |
Symmetry codes: (i) x, y+1, z; (ii) -x+{\script{1\over 2}}, y+{\script{1\over 2}}, -z+{\script{1\over 2}}; (iii) -x+{\script{1\over 2}}, -y+{\script{1\over 2}}, -z; (iv) x-{\script{1\over 2}}, y+{\script{1\over 2}}, z.