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Calix[3]carbazole: A C3-symmetrical receptor for barium ion.
Title Calix[3]carbazole: A C3-symmetrical receptor for barium ion.
Authors Yang, Z.; Tian, Z.; Yang, P.; Deng, T.; Li, G.; Zhou, X.; Chen, Y.; Zhao, L.; Shen, H.
Journal Spectrochim Acta A Mol Biomol Spectrosc
DOI 10.1016/j.saa.2016.11.013
Abstract

The binding ability of calix[3]carbazole (1) to metal ions has been investigated. It is found that 1 could serve as a non crown ether based, C3-symmetrical receptor for Ba(2+) via the marriage of cation-π and cation-dipole interactions. FID assay further illustrates that 1 could selectively interact with Ba(2+) over Pd(2+). A possible binding mechanism for [1-Ba(2+)] complex is proposed.