Figure 2
The structures of compounds 7–11, showing the copper dimer units and the atom-labelling schemes. The structure of the cocrystal formed from the combination of H2hba and DABCO (12) is also shown. For clarity, the labels of the C and H atoms are not shown. Displacement ellipsoids are drawn at the 50% probability level. H atoms are represented by spheres of arbitrary size. The red dotted lines represent hydrogen-bonding interactions. In 9, only one configuration of the disordered dioxane molecules is shown, and in 11, only one configuration of the DABCO molecules is shown. |