The compound 2[Ca(H 2 O) 3 (DMF@CB[6])]·2(BTC)·15H 2 O (CCUT-102, CB[6] = cucurbit [6]uril; H 3 BTC = 1,3,5-benzenetricarboxylic acid) was synthesized using the approach of organic guestinduced formation of polymers or frameworks based on the coordination of metal ions and cucurbit[n]urils. The compound was characterized by X-ray diffraction analysis, PXRD, IR spectroscopy, thermogravimetric and elemental analyses. According to the X-ray diffraction 717 data, the calcium atom is coordinated by the oxygen atoms of the CB[6] molecule, water molecules, and N,N-dimethylformamide (DMF). The internal cavity of CB[6] is occupied by DMF. Each H 3 BTC molecule interacts the CB[6] molecules through π…π interactions between aromatic rings of H 3 BTC and the rings of CB [6]. The luminescence behaviors and sensing properties of CCUT-102 in different solvents were also studied.
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