Figure 9
Helical chains in (a) NaOEt·2EtOH and (b) NaOnPr·2nPrOH. Colour key: Na violet, O red, C grey and H white. Hydrogen bonds are drawn as dotted light-blue lines. The H atoms of the alkyl groups have been omitted for clarity. In part (b), the disordered propyl groups are represented by their major-occupied atomic positions only. |