2, 2’-Bipyridine Adduct of Bis(<em>O,O’</em>-di(2-phenylethyl)dithiophosphato)cadmium(II): Synthesis, Spectroscopic Characterization, Crystal Structure and Antibacterial Activity

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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, D_c = 1.447 g/cm³, Z = 2, C₄₂H₄₄O₄N₂P₂S₄Cd, M_r = 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.

Key words： O,O'-dialkyldithiophosphate adduct cadmium crystal structure antibacterial activity

Received: 12 March 2013 Published: 15 October 2013

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

About author:: 谢斌: xiebinqhg@sina.com.cn

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	XIE Bin
	WANG Yan-Mei
	ZOU Li-Ke
	WANG Jun
	LI Yu-Long
	LIN Xiao

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XIE Bin,WANG Yan-Mei,ZOU Li-Ke, et al. 2, 2’-Bipyridine Adduct of Bis(O,O’-di(2-phenylethyl)dithiophosphato)cadmium(II): Synthesis, Spectroscopic Characterization, Crystal Structure and Antibacterial Activity[J]. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY, 2013, 32(10): 1457-1464.

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http://manu30.magtech.com.cn/jghx/EN/ OR http://manu30.magtech.com.cn/jghx/EN/Y2013/V32/I10/1457

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