Figure 5
Di-tert-butyl oxalate, DtBO: (a) single molecule ORTEP drawing at the 50% level; (b) five intermolecular C—H⋯O interactions observed; (c) tetramer synthon, formed by C—H⋯O hydrogen bonds, that lies on the inversion center; (d) view down the a axis; (e) a merged figure showing the molecular packing similarity in DMO (blue), DiPO (green) and DtBO (red). |