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硼化合物研究Ⅶ.BnHn2-及B3H8和C-5H5FeC5H4CH2N(H)Me2C1及Fe[C5H4CH2N(H)Me2C1]2的反应

STUDIES ON BORON COMPOUNDS Ⅶ. The Reaction of BnHn2- and B3H8- with C5 H5 FeC5 H4 CH2 N(H)Me2 Cl and Fe[C5 H4 CH2 N(H) Me2 Cl]2

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【作者】 张国敏; 张招贵; 张永茂; 陈志伟;

【Author】 Zhang Guomin Zhang Zhaogui (Chemistry Department of Wuhan University) Zhang Yongmao Chen Ziwei (Fujian Institute of Research on the Structure of Matter, Academia Sinica, Fuzhou, China)

【机构】 武汉大学化学系; 武汉大学化学系; 中国科学院福建物质结构研究所;

【摘要】 本文报道B12H122-、B10H102-、B9H92-、B11H14-及B3H8-阴离子化合物分别与C5H5FeC5H4CH2N(H)Me2Cl[Ⅲ]和Fe(C5H4CH2N(H)Me2Cl)2[Ⅳ]反应合成了它们的衍生物并研究了它们的反应性能。发现C3H6FeC5H4CH2N(H)Me2B3H8不稳定,在不同的条件下降生成C5H5FeC5H4CH2NMe2·BH3[X],B9H92-及B11H14-与[Ⅲ]反应时硼化物发生降解也得到化合物[Ⅹ]。并测定了[C5H5FeC5H4CH2N(H)Me2]2B12H12的晶体结构。

【Abstract】 This paper deals with the reaction of BnHn2-(n=9, 10 or 12 )and B3H8- with C5H5FeC5H4CH2,N(H)Me2Cl and Fe [C5H4CH2N(H)Me2Cl], in aquious solution to give a series of new eompounds in good yield. C5H5FeC5H4CH2N(H) Me2B3H8 can be prepared from the reaction of B3H8-With C5H5FeC5H4CH2 N(H)Me,Cl. It is an unstable compound and degrades step by step into C5H5FeC5H4CH2NMe2.BH2. The products obtainded from the reaction of B9H92- or B11 H14 with C5H5FeC5H4CH2N(H)Me2 Cl also undergo degradation reaction The final products are C5H5FeC5H4CH2NMe2. BH3. The Crystal of [C5H5FeC5H4N(H)Me2]2 B12H12 is Orthorhombic belonging to the space group Pcnb with a=12.975±(26), b=16.342±(28), c=17.582±(48), α=β=γ=90°, V=37283, Z=4. The structure has been so-lved and refined to R factor of 0.0588 for 1674 independent intensities grea-ter than an(Ⅰ). [C5H5FeC5H4CH2N(H)Me2]2B12H12 is also an ionic compound. The anions B12H122- are cations [C5H5FeC5H4CH2N(H)Me2]+ are of the dis-torted lexahedral co-ordination and of distorted tetragonal co-ordination res-pectively. The cyclopendienoic rings are plane regular pentagonal and the planes of two cyclopendienoic rings are approximately paralled. The dihedral angle between them is 4.4°. The average bond lengths are as follows Fe—C=2.053±(4), C—C(RING)=1.369±(7) and 1.409±(5). The anion B12H122- is icosahedron with an average bond length B—B=1.786q±(6).

  • 【文献出处】 武汉大学学报(自然科学版) ,Journal of Wuhan University(Natural Science Edition) , 编辑部邮箱 ,1984年01期
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