Building thiol and metal-thiolate functions into coordination nets: Clues from a simple molecule
- Department of Biology and Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon (Hong Kong)
- Department of Chemistry, Youngstown State University, One University Plaza, Youngstown, OH 44555 (United States)
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871 (China)
The simple and easy-to-prepare bifunctional molecule 2,5-dimercapto-1,4-benzenedicarboxylic acid (H{sub 4}DMBD) interacts with the increasingly harder metal ions of Cu{sup +}, Pb{sup 2+} and Eu{sup 3+} to form the coordination networks of Cu{sub 6}(DMBD){sub 3}(en){sub 4}(Hen){sub 6} (1), Pb{sub 2}(DMBD)(en){sub 2} (2) and Eu{sub 2}(H{sub 2}DMBD){sub 3}(DEF){sub 4} (3), where the carboxyl and thiol groups bind with distinct preference to the hard and soft metal ions, respectively. Notably, 1 features uncoordinated carboxylate groups and Cu{sub 3} cluster units integrated via the thiolate groups into an extended network with significant interaction between the metal centers and the organic molecules; 2 features a 2D coordination net based on the mercapto and carboxylic groups all bonded to the Pb{sup 2+} ions; 3 features free-standing thiol groups inside the channels of a metal-carboxylate-based network. This study illustrates the rich solid state structural features and potential functions offered by the carboxyl-thiol combination. - Graphical Abstract: Molecule 2,5-dimercapto-1,4-benzenedicarboxylic acid was reacted with Cu{sup +}, Pb{sup 2+} and Eu{sup 3+} ions to explore solid state networks with the rich structural features arising from the carboxyl-thiol combination.
- OSTI ID:
- 21370488
- Journal Information:
- Journal of Solid State Chemistry, Journal Name: Journal of Solid State Chemistry Journal Issue: 7 Vol. 182; ISSN 0022-4596; ISSN JSSCBI
- Country of Publication:
- United States
- Language:
- English
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