Fig. 8
From: Structural details of carboxylic acid-based Hydrogen-bonded Organic Frameworks (HOFs)

Crystal structures of (a) PFC-1(HOF-101), (b) HOF-14 (HOF-102), (c) HOF-101-CH3, and (d) HOF-101-NH2. Disordered moieties were omitted for clarity
From: Structural details of carboxylic acid-based Hydrogen-bonded Organic Frameworks (HOFs)

Crystal structures of (a) PFC-1(HOF-101), (b) HOF-14 (HOF-102), (c) HOF-101-CH3, and (d) HOF-101-NH2. Disordered moieties were omitted for clarity