Crystal packing of HEA-<i>p</i>ABA.

<p>A. Crystal packing of HEA-<i>p</i>ABA representing the <i>2-D</i> layers parallel to (<i>100</i>) plane. B. Fragment of molecular packing in the crystal of HEA-<i>p</i>ABA.</p

ORTEP drawing for HEA-<i>p</i>ABA.

<p>The atomic labeling and charge-assisted hydrogen bonds are represented by dashed lines. Thermal ellipsoids are shown with the 50% probability level.</p

Mapping of the molecular electrostatic potential onto <i>p</i>-aminobenzoate anion (<i>p</i>ABA⁻) and <i>p</i>ABA accessible surface area.

<p>Mapping of the molecular electrostatic potential onto <i>p</i>-aminobenzoate anion (<i>p</i>ABA⁻) and <i>p</i>ABA accessible surface area.</p

Crystal Data and Structure Refinement for HEA-<i>p</i>ABA.

<p>Crystal Data and Structure Refinement for HEA-<i>p</i>ABA.</p

Hydrogen-bonding geometry (Å) for compound HEA-<i>p</i>ABA.

<p>Hydrogen-bonding geometry (Å) for compound HEA-<i>p</i>ABA.</p

Bond lengths (Å) and angles (°) for HEA-<i>p</i>ABA.

<p>Bond lengths (Å) and angles (°) for HEA-<i>p</i>ABA.</p