Table 1. Selected bond lengths (Å).
| K1—O1 | 2.7291 (11) |
| K1—O3i | 2.7812 (11) |
| K1—O5 | 2.8458 (13) |
| K1—O4ii | 2.9775 (13) |
Symmetry codes: (i) 
; (ii) 
.
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