固氮酶活性中心“J”系化学模拟物的合成、结构和性质研究  

Studies on Synthesis, Structure and Properties of a Model Compound of “J” System Chemistry of Active Center of Nitrogenase

作　　者：张致贵[1] 王凤山[1] 林永齐 樊玉国 Zhang Zhigui;Wang Fengshan;Lin Yongqi;Fan Ynguo(Department of Chemistry,Jilin University,Changchun;Institute of thenrical Chemistry,Jilin University)

机构地区：[1]吉林大学化学系 [2]吉林大学理化所

出　　处：《高等学校化学学报》1985年第6期544-548,共5页Chemical Journal of Chinese Universities

摘　　要：用[(C_(2)H_(5))_(4)N]_(2)MoS_(4)、FeCl_(3)和HSCH_(2)CH_(2)SH在甲醇-甲醇钠溶液中反应,得到化合物{(C_(2)H_(5))_(4)N}_(3)·{[(SCH_(2)CH_(2)S)MoS_(3)]_(2)Fe}晶体.用X射线衍射测定了簇合物的晶体结构.晶体属于单斜晶系,空间群C_(c),晶胞参数:a=14.0030A、b=18.3970A、c=17.5705A、β=96.458°、V=4497.6A^(3)、z=4.结构经最小二乘方法修正后偏离因子为0.052.以KBH_(4)为还原剂,簇合物具有乙炔还原为乙烯的活性,与uw-45重组也显示乙炔还原为乙烯的活性.同时还对簇合物红外光谱、紫外可见光谱、^(1)HNMR谱、磁性以及穆斯堡尔谱等性质进行了研究.The crystal of [(C_(2)H_(5))_(4)N]_(3){[(SCH_(2)CH_(2)S)MoS_(s)]_(2)Fe} was obtained by the reaction of [(C_(2)H_(5))_(4)N]_(2) MoS_(4), FeCls and ethane-1, 2-dithiol in MeOH-MeONa. The crystal structure of the compound was measured by X-ray.The crystal belongs to the monoclinic system, it crystallizes in space group C_(c) with a =14.0030A, b=18.3970A, c=17.5705A, β = 96.458°, V=4497.6A^(3) and z = 4. The structure was refined by least-squares. The value of R was 0.052. The compound possesses activity of acetylene reduction with KBH_(4) as reductant, it displays good activity of acetylene reduction with reconstitution of uw45. The characters of IR uv-visible, ^(1)H NMR, EPR, Mossbauer spectra and magnetic susceptibility of the compound have been investigated.

关 键 词：簇合物 紫外可见光谱 晶体结构 最小二乘方法 单斜晶系 穆斯堡尔谱 红外光谱 固氮酶活性 

分 类 号：O62[理学—有机化学]