Figure 1
Labelling of atoms (H atoms not shown) and dihedral angles in piracetam (T1 is the dihedral angle defined by C1—N1—C5—C6, T2 is the dihedral angle defined by N1—C5—C6—N2 and T3 is the dihedral angle defined by C5—C6—N2—H with the closest value to 0°, as reported in Nowell & Price (2005). |