The Reaction of Octacarbonyldicobalt and Dipropargyl Malonate  

作　　者：张玉华 劳文剑 罗资琴 殷元骐 黄子祥 吴锵金 

机构地区：[1]Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences [2]Lanzhou Petro-chemical College of Technology, [3]Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences

出　　处：《Chinese Journal of Structural Chemistry》2001年第2期104-107,共4页结构化学（英文）

基　　金：theNationalNaturalScienceFoundationofChina

摘　　要：The reaction of octacarbonyldicobalt and dipropargyl malonate afforded the two expected compounds [CH 2(CO 2CH 2C 2H\|μ) 2][Co 2(CO) 6] 2 1 and [HC 2CH 2O(O)C^CH 2CO 2CH 2C 2H\|μ][Co 2(CO) 6)] 2. Both 1 and 2 were characterized by elemental analysis, IR and NMR. The molecular structure of 1 was determined by single-crystal X-ray diffraction. The crystal belongs to the triclinic system, space group P1 with the following crystallographic parameters~: a=7.7492(15), b=12.925(3), c=14.366(3) , α=81.92(3), β=77.94(3), γ=89.48(3)°, V=1392.9(5) 3, Z= 2, M r=751.99, D c=1.793 g/cm 3, F(000)=740, μ(Mo-Kα)=24.13 cm -1 and final R=0.0880 for 5421 observations with I>2σ(I).The reaction of octacarbonyldicobalt and dipropargyl malonate afforded the two expected compounds [CH 2(CO 2CH 2C 2H\|μ) 2][Co 2(CO) 6] 2 1 and [HC 2CH 2O(O)C^CH 2CO 2CH 2C 2H\|μ][Co 2(CO) 6)] 2. Both 1 and 2 were characterized by elemental analysis, IR and NMR. The molecular structure of 1 was determined by single-crystal X-ray diffraction. The crystal belongs to the triclinic system, space group P1 with the following crystallographic parameters~: a=7.7492(15), b=12.925(3), c=14.366(3) , α=81.92(3), β=77.94(3), γ=89.48(3)°, V=1392.9(5) 3, Z= 2, M r=751.99, D c=1.793 g/cm 3, F(000)=740, μ(Mo-Kα)=24.13 cm -1 and final R=0.0880 for 5421 observations with I>2σ(I).

关 键 词：COBALT ALKYNE CARBONYL crystal structure 

分 类 号：O627.8[理学—有机化学]