Fig. 3

Layered packing of the unit cell of DMG·2MA in ferroelectric phase III at 260 K viewed along [100] (a) and a single layer of DMG+ cations and dimeric [2MA]− anions tied through OH···O and NH···O hydrogen bonds (b).
Layered packing of the unit cell of DMG·2MA in ferroelectric phase III at 260 K viewed along [100] (a) and a single layer of DMG+ cations and dimeric [2MA]− anions tied through OH···O and NH···O hydrogen bonds (b).