title: A green luminescent 1-D helical tubular dipyrazol-bridged cadmium(II) complex: a coordination tube included in a supramolecular tube.
abstract: A 1-D helical tubular cadmium coordination polymer, [Cd(H2Me4bpz)(H2bidc)2]n (1, H2Me4bpz = 3,3',5,5'-tetramethyl-4,4'-bipyrazole; H3bidc = benzimidazole-5,6-dicarboxylic acid) was hydrothermally synthesized and characterized by means of elemental analyses, PXRD, IR, 2D IR correlation spectra, solid UV, TG analysis, luminescence spectroscopy and single crystal X-ray diffraction. The crystal structure of 1 is a unique example of a 1D helical tube-in-tube structure. Interestingly, the [Cd(H2Me4bpz)] coordination helical tube is included in the [Cd(H2bidc)] supramolecular helical tube with the same handness. The compound displays a green luminescence upon excitation at 397 nm.
authors.affiliation: Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, People's Republic of China. sunyq@fzu.edu.cn
authors.forename: Yan-Qiong
authors.initials: YQ
authors.lastname: Sun
authors.forename: Song
authors.initials: S
authors.lastname: Deng
authors.forename: Qi
authors.initials: Q
authors.lastname: Liu
authors.forename: Su-Zhi
authors.initials: SZ
authors.lastname: Ge
authors.forename: Yi-Ping
authors.initials: YP
authors.lastname: Chen