Synthesis, Crystal Structure and Antimicrobial Activity of {[Bis(pyridine-kN)bis(3,5-dinitrosalicylato k-O,O′)Zn(II)][bis(pyridine-kN)Zn(II)]}

被引:0
作者
Chang, Fouzia [1 ]
Memon, Najma [1 ]
Ahmed, Muhammad Naeem [2 ]
Tahir, Muhammad Nawaz [3 ]
Memon, Shahabuddin [1 ]
Chang, Abdul Sattar [1 ]
Bhanger, Muhammad Iqbal [4 ]
Chandio, Anwer [1 ]
机构
[1] Univ Sindh, Natl Ctr Excellence Analyt Chem, Jamshoro, Pakistan
[2] Univ Azad Jammu & Kashmir, Dept Chem, Muzaffarabad 13100, Pakistan
[3] Univ Sargodha, Dept Phys, Sargodha, Pakistan
[4] Univ Karachi, HEJ Res Inst Chem, ICCBS, Karachi 32, Pakistan
关键词
crystal structure; antimicrobial; pyridine; C-H center dot center dot center dot pi interactions; SALICYLATE; COMPLEX; ZN(II);
D O I
10.14102/j.cnki.0254-5861.2011-1055
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A novel {[bis(pyridine-kN)bis(3,5-dinitrosalicylato k-O,O')Zn(II)][bis(pyridine-kN)Zn(II)]} (C34H24N8O14Zn2) was synthesized by a self-assemble method at room temperature. The molecular structure was determined by single-crystal X-ray analysis. The compound crystallizes in the monoclinic system, space group P2(1)/n with a = 12.2156, b = 13.5696, c = 22.5602 angstrom, beta = 90.061 degrees, Z = 4 and V = 3739.6(3) angstrom(3). The new 1D binuclear coordination polymer {[bis(py-kN)bis(3,5-dinitrosal k-O,O')Zn(II)][bis(py-kN)Zn(II)]} resulted from two different types of moieties. The polymer [bis(py-kN)bis(3,5-dinitrosal k-O,O')Zn(II)] unit is connected with [bis(py-kN) Zn(II)] by zigzag topology. One zinc (II) cation has a six-fold coordination environment, in which the metal atom is connected with four oxygen atoms of two 3,5-dinitrosalicylic acids to form equatorial bonds and two nitrogen atoms of pyridine to generate the axial bonds. Other four-fold nucleus contain two Zn-O bonds from different 3,5-dinitrosalicylic acids and two bonds with the N-atom of pyridine. Antimicrobial assay results indicated that the compound showed moderate activities against different bacterial and fungal strains.
引用
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页码:705 / 712
页数:8
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