Abstract
The reaction of the dithioether ligand, 2,3-bis(pyrimidine-2-thiomethyl)quinoxaline (L) with AgNO3, leads to the formation of a novel complex {[Ag5(L)2(NO3)4](NO3)(CHCl3)2}n 1, which has been characterized by single-crystal X-ray diffraction analysis: monoclinic, space group C2/c, with a = 34.741(7), b = 9.930(2), c = 17.004(4) Å, β = 106.497(6)° and V = 5625(2) Å3.Complex 1 consists of 2D {[Ag5(L)2(NO3)4]+}n cations, uncoordinated \( {\text{NO}}^{ - }_{{\text{3}}} \) anions and CHCl3 solvent molecules. In 1, there exist three crystallographic independent AgI centers, which adopt different coordination geometries. There exist π–π stacking interactions in the complex and these weak interactions further stabilize the crystal structure in the solid state. The coordination feature of the ligand has been investigated by DFT calculations.
Index Abstract
Synthesis and Structure of a Silver(I) Complex {[Ag5(L)2(NO3)4](NO3)(CHCl3)2}n [L = 2,3-bis(pyrimidine-2-thiomethyl)quinoxaline]
Chao-Yan Zhang, Qian Gao, Ya-Bo Xie*, and Jian-Bo Feng
The crystal structure of complex {[Ag5(L)2(NO3)4](NO3)(CHCl3)2}n (L = 2,3-bis(pyrimidine-2-thiomethyl)quinoxaline) consists of 2D {[Ag5(L)2(NO3)4]+}n cations, uncoordinated \( {\text{NO}}^{ - }_{{\text{3}}} \) anions and CHCl3 solvent molecules. There exist three crystallographic independent AgI centers, which adopt different coordination geometries. The coordination feature of the ligand has been investigated by DFT calculations.
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This work was supported by the Funding Project for Academic Human Resources Development in Institutions of Higher Learning under the Jurisdiction of Beijing Municipality.
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Zhang, CY., Gao, Q., Xie, YB. et al. Synthesis and Structure of a Silver(I) Complex {[Ag5(L)2(NO3)4](NO3)(CHCl3)2}n [L = 2,3-bis(pyrimidine-2-thiomethyl)quinoxaline]. J Chem Crystallogr 38, 749–753 (2008). https://doi.org/10.1007/s10870-008-9382-2
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DOI: https://doi.org/10.1007/s10870-008-9382-2