Table 3. Selected bond lengths (Å) for K2H2L1 .
| K1—O1i | 2.7084 (14) | K2—O1 | 2.7132 (13) |
| K1—O2 | 2.6682 (12) | K2—O3iii | 2.6682 (13) |
| K1—O3ii | 2.8099 (14) | K2—O4ii | 2.7209 (12) |
Symmetry codes: (i) x, -y+2, z+{\script{1\over 2}}; (ii) x-{\script{1\over 2}}, y-{\script{1\over 2}}, z; (iii) -x+{\script{1\over 2}}, -y+{\script{3\over 2}}, -z+1.