Journal
CRYSTENGCOMM
Volume 18, Issue 31, Pages 5916-5929Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ce00872k
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Funding
- University of Bath
- Diamond Light Source Ltd
- Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231]
- EPSRC [EP/L027267/1, EP/K004956/1, EP/I01974X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/K004956/1, EP/I01974X/1, EP/L027267/1] Funding Source: researchfish
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Nine hydrogen bonded networks of N-phenylurea and 5-nitroisophthalic acid, with solvent inclusion properties, have been engineered and their thermal stabilities studied. Solvent guests of methanol, ethanol, acetonitrile, acetone, THF, ethyl acetate and water have been included into the hydrogen bonded host networks in pockets and channels via interaction with a carboxylic acid group of the host. Two non-solvated N-phenylurea 5-nitroisophthalic acid complexes (NS1 2 : 1 and NS2 1 : 1) were also formed. Thermal studies of the inclusion materials revealed guest release and conversion to NS1, in all but one case, and conversion of one non-solvated form to the other (NS2 to NS1). The carboxylic acid : amide hydrogen bond synthon R-2(2)(8) was shown to be a robust synthon for network formation whilst guest molecules are suggested to have a role in templating the overall network geometry.
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