Title: Hydrothermal Synthesis and Crystal Structure of Two Zinc (II) Complexes with 2,2′-Bipyridine-3,3′-dicarboxylic Acid and Phenanthroline Derivative Ligands
Abstract: The title complexes,[Zn(bpdc)(pyip)2]·3H2O(1) and [Zn(pip)2(Hpip)]·3H2O(2)(H2bpdc=2,2′-bipyri-dine-3,3′-dicarboxylic acid,pyip=2-(pyridin-3-yl)-1H-imidazo[4,5-f] phenanthroline,Hpip=2-phenyl-1H-imidazo[4,5-f]phenanthroline) have been synthesized under hydrothermal conditions and characterized by IR spectrum and X-ray single-crystal diffraction.Complex 1 is of monoclinic,space group P21/c with a=1.656 9(5) nm,b=1.361 4(4) nm,c=1.863 7(6) nm,β=93.128(6)°,V=4.198(2) nm3,Z=4,ZnC48H34N12O7,Mr=955.99,Dc=1.513 g·cm-3,μ(Mo Kα)=0.657 mm-1,F(000)=1 968,GOOF=1.008,the final R=0.057 7 and wR=0.107 5 for 4 622 observed reflections(I2σ(I)).Complex 2 is of monoclinic,space group P21/c with a=1.797 7(4) nm,b=1.527 0(3) nm,c=1.767 6(4) nm,β=102.84(3)°,V=4.730 9(19) nm3,Z=4,ZnC57H40N12O3,Mr=1 006.36,Dc=1.410 g·cm-3,μ(Mo Kα)=0.581 mm-1,F(000)=2 072,GOOF=1.134,the final R=0.089 5 and wR=0.208 4 for 6 558 observed reflections(I2σ(I)).Structural analyses show that the complexes 1 and 2 all present a zero-dimensional unit.Furthermore,the hydrogen-bonding and π-π stacking interactions play key roles in consolidating the structures of complexes.Thermal stability and luminescent properties were also investigated.CCDC: 853171,1;853172,2.
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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