Journal
CRYSTAL GROWTH & DESIGN
Volume 9, Issue 4, Pages 1655-1657Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cg801393a
Keywords
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Funding
- National Natural Science Foundation of China [20671071, 20702056]
- Program for New Century Excellent Talents in University [NCET-07-0613]
- Tianjin Normal University
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Assembly of pamoic acid (H(2)PA) with piperazine (PIPO) or 4,4'-bipyridyl (BIPY) results in two distinct supramolecular complexes [(PA)center dot(H2PIPO)]center dot 3H(2)O (1) and [(H(2)PA)center dot(BIPY)] (2). The former displays triple-helix host arrays via charge-assisted N+-H center dot center dot center dot O- interactions with the inclusion of helical water chains, whereas the latter represents the first cocrystal of pamoic acid sustaining by the familiar carboxyl-pyridyl H-bonding synthons. Notably, the structure of 1 can be dehydrated/rehydrated with retention of crystallinity.
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