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2, 2’-Bipyridine Adduct of Bis(O,O’-di(2-phenylethyl)dithiophosphato)cadmium(II): Synthesis, Spectroscopic Characterization, Crystal Structure and Antibacterial Activity |
XIE Bin;WANG Yan-Mei;ZOU Li-Ke;WANG Jun;LI Yu-Long;LIN Xiao |
a (Institute of Functional Materials, Sichuan University of Science & Engineering, Zigong, Sichuan 643000, China)
b (University Key Laboratory of Green Chemistry of Sichuan Institutes of Higher Education, Zigong, Sichuan 643000, China)
c (College of Materials and Chemical Engineering, Sichuan University of Science & Engineering, Zigong, Sichuan 643000, China)
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Abstract A new 2,2'-bipyridine adduct of bis(O,O'-di(2-phenylethyl)dithiophosphato) cadmium(II),[Cd{S2P(OCH2CH2Ph)2}2·bipy] (1, bipy = 2,2'-bipyridine), was synthesized and characterized by elemental analyses, IR, UV-vis, 1H NMR, fluorescence spectroscopy, thermo-gravimetric analysis, and X-ray single-crystal diffraction. The crystal of 1 crystallizes in triclinic, space group Pī with α = 10.4607(19), b = 11.679(2), c = 18.480(3) Å, α = 98.900(2), β = 103.321(2), γ = 91.779(2)°, V = 2165.2(7) Å3, Dc = 1.447 g/cm3, Z = 2, C42H44O4N2P2S4Cd, Mr = 943.37, F(000) = 968,μ = 0.814 mm-1, the final R = 0.0536 and wR = 0.1206 for 6275 observed reflections with I > 2σ(I) and R = 0.0690 and wR = 0.1339 for all data. The result shows that the Cd(1) centre is five-coordinated by two N and three S atoms in a highly distorted square pyramidal configuration. The C–H···S hydrogen bonding interactions and a set of weak intermolecular π-π stacking between adjacent aromatic rings stabilize the structure and make 1 assemble into a 1D zig-zag chain. In addition, the antibacterial activities of 1 against Escherichia coli, Bacillus subtilis and Staphylococcus bacteria were also screened by disc diffusion method.
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Received: 12 March 2013
Published: 15 October 2013
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Fund:The work was supported by the project of Science & Technology Department of Sichuan Province (2011JY0052, 2010GZ0130), Sichuan University of Science & Engineering (2012PY04, 2012PY14), and University Key Laboratory of Green Chemistry of Sichuan Institutes of Higher Education (LZJ1103, LZJ1203) |
Corresponding Authors:
谢斌: xiebinqhg@sina.com.cn
E-mail: xiebinqhg@sina.com.cn
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About author:: 谢斌: xiebinqhg@sina.com.cn |
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