Self‐assembled supramolecular sheet‐ and channel‐type frameworks in the
The title compounds, p‐phenetidinium hydrogen phthalate (or 4‐ethoxyanilinium 2‐carboxybenzoate), C8H12NO+·C8H5O4 −, (I), and cyclohexylaminium hydrogen phthalate hemihydrate (or cyclohexylaminium 2‐carboxybenzoate hemihydrate), C6H14N+·C8H5O4 −·0.5H2O, (II), form two‐ and one‐dimensional supramolecular networks, respectively. In (I), the anionic–cationic network consists of R 3 2(6) and R 4 4(16) hydrogen‐bonded rings forming a two‐dimensional sheet along the (001) plane. In (II), O—H...O hydrogen bonds connect the glide‐related anions, generating a supramolecular chain running parallel to  to which the cations are linked to form one‐dimensional channels along . The solvent water molecules, which reside on twofold axes, are trapped inside the molecular channels by N—H...O and O—H...O hydrogen bonds.
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Document Type: Research Article
Affiliations: Department of Physics, Anna University, Chennai 600 025, India
Publication date: 15 October 2011