Figure 2
Molecular packing in the pentaerythritol crystal at 1.15 GPa: (a) projection down the b axis; (b) projection down the c axis. O atoms are red, C atoms are black and H atoms are green. Red dashed lines represent `classical' (short) hydrogen bonding within the molecular layers and black dashed lines depict weaker (longer) contacts corresponding to observed bond paths in the electron density. |