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131.
StructureofMolybdenumComplexofBenzothiazole-2-thiolate(η~5-C_5H_5)Mo(CO)_2(C_7H_4NS_2)ChengGuo-Bao~a;WuQiang-Jin~b;HuangXiao-Ying~... 相似文献
132.
Hua-jiang Jiang Wei-lin Sun Ren-hua Zheng a Department of Chemistry Materials Taizhou Colledge Taizhou China b Department of Polymer Science Engineering Zhejiang University Hangzhou China 《高分子科学》2006,(1):81-86
A series of polymeric complexes were prepared from Fe~(2 ),Co~(2 ) or Ni~(2 ) and poly(Schiff base)(DAPcIPA), which was obtained by polycondensation of 5,6-diamino-1,10-phenanthroline(DAP)with isophthalaldehyde(IPA).The structures of the polymer and the polymeric complexes were characterized by IR,~1H-NMR and elemental analysis.The magnetic behavior of these complexes was measured as a function of magnetic field strength(0-3.98×10~6 A/m)at 5 K and as a function of temperature(5-300 K)at a magnetic field strength of 2.39×10~6 A/m.Experimental results show that DAPcIPA-Ni~(2 ),DAPcIPA-Co~(2 ) are soft ferromagnets while DAPcIPA-Fe~(2 ) exhibits features of an antiferromagnet. 相似文献
133.
In the ethanol solvent, a nickel(II) complex Ni(C12H10N2O2S)2 upon reaction of 2'-(2-thienylidene)-hydroxybenzoylhydrazide with nickel acetate was synthesized, and its structure was characterized by IR, UV, elemental analysis and X-ray diffraction analysis. The crystal belongs to monoclinic system, space group C2/c with a = 22.052(3), b = 5.9681(6), c = 18.522(2) , β = 110.679(4)°, V = 2280.6(4) 3, Z = 4, Mr = 551.27, μ = 1.606 mm-1, Dc = 1.075 g/cm3, F(000) = 1136 and Rint = 0.0556. The nickel(Ⅱ ) atom in the compound is four-coordinated with two nitrogen atoms from amide and two oxygen atoms from keto group. The biological activities have been measured, show- ing the compound exhibits better anti-bacterial activity than the ligand. 相似文献
134.
Li Zhi-ru TAO Fu-ming PAN Yuh-kang. FENG Ji-kang WU Di. HUANG Xu-rid SUN Ghia-Chung. 《高等学校化学研究》1997,(3)
NewApplicationofbondFunctionBasisSets──abinitioCalculationsofNonlinearOpticalPropertiesofCh_(4-n)F_n(n=1,2,3)LiZhi-ru,TAOFu-mi... 相似文献
135.
1 INTRODUCTION The complexes of amino acid Schiff base have attracted considerable attention because of their bio- activities[1, 2]. Taurine is a special amino acid in be- ings, and recently the complexes of taurine conden- sation salicylaldehyde Schiff … 相似文献
136.
1 INTRODUCTION 5-Fluorouracil (5-FU) is an antimetabolite with good antimicrobial and antitumor activities but has toxic side effects[1~4]. In order to improve the topical delivery of 5-FU and reduce the side effects, many derivatives of 5-FU have been synthesized, some of which are of improved activity. 5-Fluorou- racil-1-acetic acid is a member of the family[5~8], which belongs to the pyrimidine base and is a cyto-toxic analogue of the natural base thymine, and has proven useful in th… 相似文献
137.
138.
1 INTRODUCTION II-VI semiconductor materials with ZnO as the representative possess wide forbidden gaps and high exciton binding energy, which have paved the way for the study of exciton characters and short wave photo-conducting devices. They present wide appli- cations, such as ultraviolet laser transmitting device, piezoelectric device, optical waveguild and high efficient quantum dot luminous apparatus[1~8]. Re- cently, II-VI semiconductor cluster materials with nano-structure ha… 相似文献
139.
1 INTRODUCTION Great attention has been attracted to design novel heterometallic molecular materials with phosphorus- and sulfur-containing ligands, owing to their abundant optical and opto-electronic properties[1~4]. Self-assembly is an efficient ap- proach to obtain heterometallic assembly by the Incorporation of two different metal components[5, 6]. We are interested in investigating the reaction between Pd(diimine)(dithiolate) and metal dip- hosphine Cu2(μ-dppm)2(MeCN)42 , the fo… 相似文献
140.
LIU Boa LI Xiu-Meib② CUI Yun-Chenga FENG Minga a 《结构化学》2007,26(2):184-188
A metal-organic coordination polymer [Co(phen)(BDC)(H2O)]n·0.5nH2BDC (H2BDC = terephthalic acid, phen = 1,10-phenanthroline) has been hydrothermally synthesized and structurally characterized by elemental analysis, IR spectrum, TG and single-crystal X-ray diffraction. The complex crystallizes in triclinic, space group P1 with a = 9.771(3), b =10.739(3), c = 11.249(4) , α = 75.946(3), β = 65.306(3), γ = 86.073(4)o, V = 1039.6(6) 3, C24H17CoN2O7, Mr = 504.33, Dc = 1.611 g/cm3, μ(MoKα) = 0.878 mm-1, F(000) = 516, Z = 2, the final R = 0.0547 and wR = 0.1138 for 2916 observed reflections (I > 2σ(I)). It exhibits a one-dimensional zigzag chain-like structure. 相似文献