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Title

Carborane bis-pyridylalcohols as linkers for coordination polymers: Synthesis, crystal structures, and guest-framework dependent mechanical properties

AuthorsTsang, Min Ying; Rodríguez-Hermida, Sabina; Stylianou, Kyriakos C.; Tan, Fangchang; Negi, Divya; Teixidor, Francesc ; Viñas, Clara ; Choquesillo-Lazarte, Duane ; Verdugo, Cristóbal; Guerrero, Miguel; Sort, J.; Juanhuix, Jordi; Maspoch, Daniel ; Giner Planas, José
Issue Date22-Dec-2016
PublisherAmerican Chemical Society
CitationCrystal Growth and Design 17(2): 846–857 (2016)
AbstractWe report the synthesis and characterization of six novel coordination polymers (CPs) based on M(II) (M: Zn and Co), di-, tri-, and tetracarboxylate linkers and two novel bis-pyridylalcohol 1,7-bis{(pyridin-n′-yl)methanol}-1,7-dicarba-closo-dodecaboranes (n′ = 3, L1; n′ = 4, L2) ligands. The polycarboxylates are terephthalic acid (H2BDC), 1,3,5-benzenetricarboxylic acid (H3BTB), and 1,2,4,5-tetrakis(4-carboxyphenyl)benzene (H4TCPB). Structural description of CPs reveals the flexibility of the carborane ligands and their ability to construct extended structures. The CP containing Co(II), BTB, and L2 behaves as a crystalline sponge for a variety of guests, showing a higher affinity for aromatic guest molecules. Single-crystal nanoindentation experiments indicate that a high number of specific interactions between the guests and the CP framework result in a high elastic modulus and hardness values.
Publisher version (URL)http://dx.doi.org/10.1021/acs.cgd.6b01682
URIhttp://hdl.handle.net/10261/143526
DOI10.1021/acs.cgd.6b01682
ISSN1528-7483
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