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|Title:||Copper coordination polymers constructed from thiazole-5-carboxylic acid: Synthesis, crystal structures, and structural transformation|
Timothy J. Prior
Physics and Astronomy
|Abstract:||© 2016 Elsevier Inc. We have successfully prepared crystals of thiazole-5-carboxylic acid (5-Htza) (L) and three new thiazole-5-carboxylate-based Cu2+coordination polymers with different dimensionality, namely, 1D [Cu2(5-tza)2(1,10-phenanthroline)2(NO3)2] (1), 2D [Cu(5-tza)2(MeOH)2] (2), and 3D [Cu(5-tza)2]·H2O (3). These have been characterized by single crystal X-ray diffraction and thermogravimetry. Interestingly, the 2D network structure of 2 can directly transform into the 3D framework of 3 upon removal of methanol molecules at room temperature. 2 can also undergo structural transformation to produce the same 2D network present in the known [Cu(5-tza)2]·1.5H2O upon heat treatment for 2 h. This 2D network can adsorb water and convert to 3 upon exposure to air.|
|Appears in Collections:||CMUL: Journal Articles|
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