bis (N-phenylhydroxyaminocarbonyl) ferrocene has been synthesized by the reaction of phenylhydroxylamine and 1,1'-bis(chlorocarbonyl) ferrocene,and its crystal structure has been determined by X-ray diffraction m...bis (N-phenylhydroxyaminocarbonyl) ferrocene has been synthesized by the reaction of phenylhydroxylamine and 1,1'-bis(chlorocarbonyl) ferrocene,and its crystal structure has been determined by X-ray diffraction method. This compound, C24H20FeN2O4, crystallizes in the orthorhombic space group P2121 21 with unit cell parameters a= 8.911 ( 1 ), b=14.045 ( 1 ) ,c=16.259 ( 3 )A, V = 2034.8 (5 )A3,F(000)=944, μ(MoKα) = 7. 72 cm(-1). The calculated density is 1.49g/cm3 for Z=4. In contrast to most previously reported hydroxamic acids that have been structurally characterized, two planar hydroxamic acid groups are in trans with C(O))-N and C-O distances being similar to those found in amides. The stabilization of the trans-conformation of the title compound is ascribed to the steric and electronic interaction between two phenyl rings and strong hydrogen bond hetween the hydroxyl and carbonyl.展开更多
文摘bis (N-phenylhydroxyaminocarbonyl) ferrocene has been synthesized by the reaction of phenylhydroxylamine and 1,1'-bis(chlorocarbonyl) ferrocene,and its crystal structure has been determined by X-ray diffraction method. This compound, C24H20FeN2O4, crystallizes in the orthorhombic space group P2121 21 with unit cell parameters a= 8.911 ( 1 ), b=14.045 ( 1 ) ,c=16.259 ( 3 )A, V = 2034.8 (5 )A3,F(000)=944, μ(MoKα) = 7. 72 cm(-1). The calculated density is 1.49g/cm3 for Z=4. In contrast to most previously reported hydroxamic acids that have been structurally characterized, two planar hydroxamic acid groups are in trans with C(O))-N and C-O distances being similar to those found in amides. The stabilization of the trans-conformation of the title compound is ascribed to the steric and electronic interaction between two phenyl rings and strong hydrogen bond hetween the hydroxyl and carbonyl.
