C_(14)H_(11)N_3O_4的晶体结构及其钒酰、钴配合物的电子光谱性质Crystal Structure of C_(14)H_(11)N_3O_4 and Electronic Spectrum of Its Oxovanadium (Ⅴ) and Cobalt Complexes
吴琼洁;陈小华;蔡碧琼;
摘要(Abstract):
合成了配体水杨醛缩对硝基苯甲酰腙(H2L,C14H11N3O4),通过元素分析、红外光谱、电子光谱和X射线单晶衍射进行了表征.晶体属单斜晶系,空间群为P21/c,a=1.036 27(7)nm,b=1.361 52(9)nm,c=0.923 63(6)nm,β=99.530(2),V=1.285 2(2)nm3,Z=4,Mr=605.54,Dc=1.474 g.cm-3,μ=0.111 mm-1,F(000)=630,R=0.067 7,wR=0.211 4.晶体内每个H2L分子通过分子间氢键作用与相邻另一个H2L分子缔合成一个沿c轴方向的一维链状结构,O-N氢键键长为0.287 3(2)nm,O-H-N氢键键角为158.91°.通过电子光谱实验分析,其钒酰配合物VO(L)(CH3OH)(CH3O)的V原子为+5价.
关键词(KeyWords): 配体;酰腙;晶体结构;分子间氢键
基金项目(Foundation): 福建农林大学校青年教师基金资助项目(08B10)
作者(Authors): 吴琼洁;陈小华;蔡碧琼;
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